Showing posts with label transitional fossils. Show all posts
Showing posts with label transitional fossils. Show all posts

Thursday, January 11, 2018

"They Are Digging in the Wrong Place"

Bodie Hodge has a post on the AiG website that is nothing short of astounding.  AiG is, once again, moving the goalposts.  And who is Bodie Hodge?  He is, according to the site: "A speaker, writer, and researcher for Answers in Genesis, Bodie Hodge has a master’s degree in mechanical engineering from Southern Illinois University at Carbondale."  Hodge writes:
Each year there are many headlines, books, technical articles, and videos about another supposed missing link—a supposed link between a land mammal and whale, a dinosaur and bird, an ape and human, and so forth. Usually, these are quite easy to refute by anatomical features.

For example, alleged missing links turn out to be anything but—for example, either ape, human, or a fake (e.g., Piltdown man) or dinosaur, bird, or a fake (e.g., Archaeoraptor).

Nevertheless, these alleged missing links rarely make creationists cringe. I think it frustrates some of the evolutionists because they think they have found some sort of knock-out evidence that they interpret as support for evolution. But creationists rarely bat an eye.

Well, I’m going to let you in on a secret as to why creationists rarely take notice of these alleged missing links. It is because the evolutionists are digging in the wrong place—just like the bad guys in Indiana Jones. When you don’t have the correct information, you can miss the mark significantly.
So evolutionists are just like "the bad guys" in Raiders of the Lost Ark.  Did you catch that?  A casual trip through the fossil record indicates that there are, in fact, many, many transitional forms present.  We now have very detailed sequences from Devonian crossopterygians to early tetrapods, from land mammals to whales, from maniraptoran dinosaurs to birds and, of course, from late Miocene/early Pliocene apes to humans.

But this isn't even the central focus of his post. First, he lists the conventional geological stratigraphy.  He bungles this early on.  He writes: "In a general sense, evolutionists look for alleged dinosaur-to-bird missing links in the Cretaceous and Paleocene (bolded)."  Wrong.  The dinosaur-to-bird sequence dates to the late Jurassic.  Furthermore, the presence of feathers on non-avian dinosaurs suggests that feathers evolved even before the late Jurassic.  By the early Cretaceous, birds were numerous.  The transition had long since ended by the Palaeocene.  Had he done any study of the transition from dinosaurs to birds, he would have known this.

He then writes:
But here is the problem. The rock layers from Cambrian to Miocene—at least mapped in the mountains of Ararat (Genesis 8:4)—were from the Flood.2 Miocene and Eocene rock is intricately part of the makeup of the mountains of Ararat, as is Cretaceous and Triassic (many times inverted, lying above the Miocene and Eocene). Since that time, the upper strata are post-Flood strata—such as Ice Age layers and recent volcanic flows. I understand creationists debate about tertiary sediment (Paleocene through Miocene) and encourage you study this further.
He gives absolutely no justification for this viewpoint. No evidence is presented indicating why pre-Pliocene sediments are flood and Pliocene sediments on up are not.  There is no event to mark this transition, no sedimentary layer that is distinctive.

Nothing. He simply says that it is so, therefore it is. It gets worse:
So when evolutionists say they found a transitional form between an ape and a human in Pliocene rock, creationists hardly flinch. Evolutionists are looking at the rock strata and the age of the earth incorrectly because humans were around long before that rock was ever laid down! Furthermore, humans existed when the Cambrian rock was laid down during the Flood. To go one more step, mankind had dominated the earth for over 1,600 years before the Cambrian rock was laid down!

When someone says that they found a transitional form between a dinosaur and a bird in the Paleocene, again, creationists hardly think twice. Both specimens died the same year in the same Flood and are not related. This is why finding feathers in the rock layers “before the dinosaurs” is not a problem for creationists.4 Nor is it a problem when we find theropod dinosaurs (which supposedly evolved into birds in the evolutionary story) that had eaten birds in lower Cretaceous rock.5

Birds were made on Day Five, which is a day before the dinosaurs; land animals, like dinosaurs, were made on Day Six. Having both buried in Flood sediment isn’t a big deal.
So many questions...

  • If humans were around before the rocks were laid down, how is it that we find no humans at the base of the geological/flood column?  In fact, why aren't human remains found throughout the column, if they predate the Cambrian?
  • How is it that all of the fossil species that are supposed to be in flood deposits are perfectly sorted, even to the point of brachipods being sorted by crinulation number and trilobites being sorted  by number of compound eye segments?  What about the detailed fossil sequences mentioned above? 
  • if humans had ship-building capacity during the time of Noah and existed in towns and settlements, why is there no evidence of this at the bottom of the geological column?
  • If humans did, in fact, predate the Cambrian, why do we find a detailed, clear sequence from prehuman hominoids through human precursors to archaic and them modern humans beginning in the Pliocene?  
  • If the sediments from the Miocene back to the Precambrian reflect flood deposits, why do we find the largest land mammals, dinosaurs three quarters of the way up the column, when they should have sunk to the bottom?  
  • If the sediments from the Miocene back to the Precambrian reflect flood deposits, why do we find features throughout the geological record that could only have happened on the surface, such as rain drops, footprints, hatched dinosaur eggs, cave systems, sand dunes, burned forests, swamps, etc. 
So why aren't any of these things problems for the creationists?
Biblical creationists presuppose the Bible’s truth and subsequently the true history of the earth—including Noah’s Flood. Evolutionists have presuppositions too, albeit, false ones, but presuppositions nonetheless. This is why when evolutionists look at Flood rock they unwittingly believe that the rock was actually laid down slowly and gradually over long ages. I suggest they have been indoctrinated to believe such stories as gradual rock accumulation over millions of years which has never been observed or repeated. Thus, the concept of millions of years is not in the realm of science but interpretation.
The reason that "evolutionists" do this is because every bit of the palaeontological and geological evidence points to a long depositional history with evolutionary diversity.  It is not a matter of indoctrination.  It is a matter of going where the evidence leads.  One might reasonably argue that if you put on young earth creationist blinders, you do not see the vast stretches of time and the changes that the earth has gone through in its long history, but, instead, a flat earth. 

It is common to find nonsense on the AiG site, but this rises to a new level of inanity. This post is terribly written, incorrect, pompous and insulting.  The writer provides no evidence for the position he takes, insults the hard work of scientists who have spent decades piecing together the geological and fossil records, and betrays complete ignorance of basic geology and palaentology.  It is hard to be charitable to Mr. Hodge, who plainly knows nothing of which he writes and, as a result, produces pure drivel. 
 

Saturday, July 08, 2017

Young Earth Creationism: Now Transitional Fossils Are Okay

Recently, Dennis Venema and Scot McKnight produced an excellent book titled Adam and the Genome: Reading Genesis After Genetic Science.  I have just finished this book and it is very well-written and concise.  It is also very persuasive in its presentation of the veracity of evolutionary theory, that there were never just two people alive at one time and that the modern human line extends back more than 200 thousand years.  To bolster their argument, however, Venema and McKnight take the reader through an account of many of the transitional forms in the fossil record.

Well, Answers in Genesis has taken a potshot at the book, in several articles by Nathaniel Jeanson, who has argued that Venema's central thesis, that evolution is strongly supported by explanatory evidence and has predictive power, is flawed.  Here is where things get peculiar. Jeanson writes this, regarding the existence of transitional fossils:
In other words, Genesis 1 says that God created man in His own image. In light of this fact, we would be justified in looking to the products of human design to understand the principles that God might have employed in designing life. Since humans design “transitional forms,” why wouldn’t God do so as well?

Thus, while the existence of “transitional forms” might fail to reject the hypothesis of evolution, it also fails to reject the hypothesis of design. As we observed in a previous post, this is a type-3 experiment—in other words, pseudoscience.

This fact applies to Venema’s additional claim about fossil gaps being filled in. Since both YEC scientists and evolutionists predict the existence of “transitional forms,” it doesn’t matter how many fossil gaps are filled; none of these filled gaps will distinguish between creation and evolution. (Of course, if gaps never were filled in, evolutionists would have a lot of explaining to do, as Darwin’s own writings reveal. In formal terms of a previous article, the gaps in the fossil record represent a type-2 experiment—the existence of gaps would spell trouble for evolution; the lack of gaps would say nothing about either model.) (emphasis added)

Wut?

For almost a hundred years, one of the steady mantras of the supporters of recent-earth or young-earth creationism has been that there are no such things as transitional fossils.  Animals were created as “kinds” that were, to a large extent, immutable.  Duane Gish, one of the grand old men of YEC used to attempt to poke holes in the idea of transitional fossils with his “Bossie to Blowhole” slide attempting to show the absurdity of the idea that modern-day whales are the descendants of land animals.  I once attended a lecture by Gish in which he used this slide.

To be sure, many argued that microevolution could take place—the subtle changing of gene frequencies and mutations—but species change simply did not happen. Donald Prothero, in his book Evolution: What the Fossils Say and Why It Matters, devastatingly showed this to be false.

(Plug: If you have not read this book, you need to.  It is a fantastic trip through the fossil record and the support for evolutionary theory.

The entire study of baraminology is predicated on the fact that there are no transitional fossils, simply created kinds.  Here is AiG's page on the subject, with multiple articles, yet Jeanson's article shows up on the Answers in Genesis web site.  Let's have a look and see what else they have to say about transitional fossils:

Regarding the dinosaur to bird transition: Fossils Fail to Transition from Dinosaur Legs to Bird Wings
The biblical record of history is not only consistent with what we observe in the world but even explains much of what science shows us. The fact that birds appear complete and without evolutionary transitions in the fossil record is, like the rest of actual scientific observations, consistent with God’s Word, which we can confidently trust from the very first verse. 
The Devonian tetrapod transition: The Fossil Record of ‘Early’ Tetrapods: Evidence of a Major Evolutionary Transition?
A robust rationale for concluding that the Upper Devonian tetrapods evolved from a fish ancestor, or that they gave rise to Carboniferous tetrapod lineages, is lacking. It is hoped that this paper may stimulate creationists to develop a fuller understanding of these remarkable creatures and their ecological and geological context.
On the ancestry of whales: It's a 'Whale'
The “evolution” is entirely in the minds of evolutionists, who need to find ancestors for whales, and thus create a “sequence” that isn’t really there. Like lining up horse fossils small to large and proclaiming a sequence, whale evolution is just another fiction.
About gaps in the fossil record: Does a ‘Transitional Form’ Replace One Gap with Two Gaps?
Once the lack of major transitions is acknowledged, one must face the fact that there is no tree of life because there are no roots, no trunk, no boughs, and no medium-sized branches. There are only mutually disjointed bushes, and even these consist exclusively of variation only within the kind, and this is almost invariably within the family unit of traditional taxonomy. The scientific creationist needs to only reject organic evolution before being in hearty agreement with the foregoing cited statements.
As we can see, even the Answers in Genesis site, at least for the last twenty years has had the official position that transitional fossils do not exist.  So, now transitional fossils are okay?  Jeanson's article is an astounding thing to read.  Not only does he dispense with almost a hundred years of creationist “teaching,” without once referring to its existence, he then turns around and accuses Venema of pseudoscience because his hypothesis fails to reject creationist teaching on the existence of transitional fossils. The mendacity of Jeanson's argument is breathtaking.  This is a complete disregard for scientific integrity and honesty.  Libby Anne of Patheos refers to this as exactly what it is: Bullshit.

But Jeanson isn't done.  He then writes something truly idiotic regarding the order of the fossil record:
What about the order of the fossils in the fossil record? The order was actually discovered before Darwin published his book. Therefore, it would be nearly impossible to call the order of the fossils a “prediction” of evolution. Instead, both sides in the origins debate look back on this discovery and incorporate it into their model. Thus, while the order of fossils might fail to reject the hypothesis of evolution, it fails to reject the hypothesis of creation.
This betrays a complete lack of understanding of how the theory of natural selection came about. Darwin's theory predicted that if natural selection was the best explanation for present and past diversity in the fossil record and that there should be increasing order of complexity in the fossil record, leading up to humans and that more transitional forms WOULD be found in the fossil record in the future, a prediction that has been borne out many times over (e.g. Tiktaalik, the evolution of whales).

One more thing: the order of the fossil record has always been a stumbling block for creationists because it is difficult to explain the order in the context of a world-wide flood.  Species that should sink to the bottom, like large dinosaurs and sea creatures, are found three-quarters of the way up the column.  Additionally, there are no humans or their cultural remains found at the bottom, which is what you would expect.  Indeed, the world-wide flood hypothesis is easily rejected based on multiple lines of evidence. 

Ironically, at the tail end of the article, Jeanson writes this:
Why does Venema make these basic scientific mistakes? We observed above that the answers to Venema’s claims have been in the YEC literature for several years. Yet we also observed in a previous post that evolutionists refuse to read YEC literature. And we discovered that they do so because they apparently think that YEC scientists are liars. Naturally, this leads to ignorance of the opposition—and, effectively, to fitting of facts to preconceived ideas.
Gee, I can't imagine why we would think that.

One of the comments on Libby Anne's story, by Deus ex Lasagna, put it best (if sarcastically):
"You don't have enough faith," Jesus told them. "I tell you the truth, if you had faith even as small as a mustard seed, you could say to this goalpost, 'Move from here to there,' and it would move. Nothing would be impossible."

- Matthew 17:20, updated for realism

Wednesday, October 07, 2015

PZ Myers on Casey Luskin

PZ Myers, over at Pharyngula, has some harsh words for Casey Luskin's examination of Homo naledi.  In the post, he points out something that I have pointed out in several posts for BioLogos and in my rebuttal to Luskin's post on Homo naledi: a complete lack of understanding of systematics:
I’m not going to dissect every point in Luskin’s tediously long article in detail — really, he’s just echoing every question anyone has asked about H. naledi in the last few weeks, in an attempt to construct a litany of doubt — but I have to point out the numerous ways he misrepresents evolutionary biology to pretend that H. naledi is somehow a refutation of Darwin. As I’ve pointed out many times before, Luskin is a scientific illiterate who doesn’t actually understand anything remotely biological, from genetics to embryology to molecular biology to, now, paleontology. Actually, this isn’t the first time Luskin has tripped over himself in a rush to deny — he also didn’t like Tiktaalik. So this is just more of the same.
Luskin has a bad case of missinglinkitis. This is the idea that there is a linear series of steps in a progression leading from ape to human, and all we have to do is find each frame in the movie and we can replay everything in science class. He wants a “link”, a word he uses multiple times, and he wants “transitional fossils”, unaware that every individual is a transition between parent and progeny.
The key is to focus on the traits, something that Luskin and other Intelligent Design supporters fail to do. Myers further points out, as I did, that just about every fossil that we find is a mosaic of traits and when we follow the trait patterns, we can develop phylogenies.  This line of thinking has led to remarkable understanding of the evolution of Devonian tetrapods and the transition from theropod maniraptoran dinosaurs into birds. 

He also makes light of a point that Luskin makes about the venue that Berger and colleagues took when they wanted to publish the paper:
I have to mention two other lesser points from the paper. Luskin really knows nothing.

The technical paper, “Homo naledi, a new species of the genus Homo from the Dinaledi Chamber, South Africa,” appeared in a lesser-known journal, eLife. It’s a great find due to the sheer number of bones that were found, but to my mind its publication in eLife is an immediate hint that this fossil isn’t an earthshattering “transitional form,” because if it were, we almost unquestionably would have seen the fossil published in Science or Nature.
No. Wrong. A lot of scientists resent the tyranny of the magical CV-enhancing powers of those two journals, and think they have an inflated and dangerously dominant reputation. eLife is an entirely credible new journal which, to all appearances, has a robust reputation for good, solid peer-review…and is also open source. There are a lot of scientists who are eager to see scientific information disseminated more widely without the limiting restrictions of traditional journal publishing, and Lee Berger, the lead investigator in this work, doesn’t need the résumé reinforcement that publishing in Nature or Science provides.
This is only half-correct. While it is quite true that many scientists like to publish in open-source publications like eLife and PLoS, this is not always the perspective of the managers and department heads, many of whom would much prefer that their researchers publish in high-profile journals, like Science and Nature.  I know this to be true through my work not just in publishing but in dealing with funders.  They like flashy papers.  This often (but not always) conflicts with the desires of the researchers, themselves.  Even though there are plenty of researchers who would like just to publish and get the information out there as fast as possible, I know of quite a few researchers who don't mind padding their resumes a bit with high-profile papers because they are angling for a position higher up on the academic food chain.  We would love to think otherwise, but it just isn't always true. 

Monday, June 23, 2014

David MacMillan: Understanding Creationism, Part IV: The Predictive Power of Evolution

David MacMillan's fourth post on being an ex-creationist is over at The Panda's thumb and in this one, he writes about why it is so hard for those with the YEC perspective to understand the evolutionary biological concept of “transitional” fossil. He writes:

Young-earth creationists believe that all life, living and fossil, can be grouped into a series of families – they call them baramins, a made-up Hebrew word for “created kinds” – which all existed together at the same time from the very beginning. They use this completely artificial understanding of our planet’s biosphere in generating their concept of a “missing link”: in order for something to be a “true” transitional form under their model, it would have to be something halfway between two separate created “kinds”. Because they automatically assign every species to a particular created kind and only to that created kind, their “transitional form” is something that could never exist.
The usual parodies of evolutionary transitional fossils, like Ray Comfort’s infamous crocoduck, are openly tongue-in-cheek. But because creationists see all animals as belonging to individual, immutable kinds, they represent evolution as “change from one ‘kind’ to another” claiming that evolution predicts we should see transitions between their “created kinds”: for example, a fossil that is midway between a dog and a cat. Just as with living species, all fossil species are placed within strict “created kinds”, allowing creationists to maintain the illusion that nothing is ever “in-between”.
This is only one aspect of the problem. The other problem, mentioned in Young's third post in the series, is the mistaken belief that evolution is entirely vertical and that there is only direct ancestry and not collateral ancestry. With this understanding, one species directly leads to another species and so on. That Archaeopteryx may not have been ancestral to modern birds must mean that we have a gap in the fossil record. These “gaps” must mean that there are problems with evolutionary biology.  With created “kinds,” the species related to Archaeopteryx simply create gaps of their own.  It is difficult to penetrate this logic. 

Thursday, October 20, 2011

Todd Wood on Parallel Cultures

One of Todd Wood's readers asked him to comment on my post about the Barna Group’s results in which I opined that the problem was not with historical Christianity, but with modern evangelical Christianity, which I see as walling itself off from modern society, especially in its understanding of science. Here is a bit of what he writes:
I'm not entirely sure whether he's concerned about the very idea of a "parallel culture" itself or the quality of the evangelical culture. As for developing our own parallel cultures, I would point to the monastic culture (especially medieval monasteries) as an example from a different Christian faith tradition. A crucial difference between the medieval monastery and the modern evangelical culture is that the monastic culture was compelling and appealing to people. As I understand it (and I admit that I'm no historian), the monasteries were important sources of learning and scholarship, and to some extent helped to preserve learning through the "Dark Ages." I think especially of St. Columba's monastery on Iona, which was instrumental in Christianizing Scotland through the power of learning. (I'm going to stop talking about monasteries now before I reveal any more of my ignorance.)
It is quite true that the monasteries were very important for learning and did preserve much of the knowledge that had been passed down from their predecessors. But the monasteries were doing so largely in the absence of, and prior to, the explosion of modern science. Further, they weren't competing with the culture of the time, they were providing a completely different outlook and way of life. The modern evangelical movement, in contrast, is providing its own brand of politics, culture and science in almost exactly the same model as secular society but with a Christian basis. Where the wheels fall off the wagon (and Dr. Wood and I differ profoundly on this issue), is in the (largely) evangelical Christian interpretation of modern science, which is tied to a very strict biblical hermeneutic that dictates a 6,000 year-old creation and further, that evolution as characterized by modern evolutionary biologists, has never happened. There is little to no mainstream scientific evidence to support this interpretation of scientific findings and mountains of evidence to the contrary.

The evangelical community has fought the mainstream interpretations of modern science tooth and nail to the point where those of us that accept them are called “unbiblical.” Further, we get called that by people who have no training in modern science at all.

Dr. Wood has a short section in which he examines the Christian culture that has arisen in parallel. He argues (and I largely agree) that modern evangelical Christianity is reactive in the sense that we parrot modern, secular society and do not do it well. He further notes that this is the reason that so many leave the faith in their late teens or early twenties. Anecdotally (and I have a pretty small sample size) it does seem that those that hang on to their faith through these years hit modern culture head on instead of avoiding it.

I have always been of the (myopic) opinion that one of the key reasons that people in the their late teens or early twenties leave the faith is because they hit an understanding of how the world works, scientifically, and it conflicts with what they have been taught, usually from home school curricula. Perhaps I am wrong. Perhaps this is only one small part of a greater whole that we, as Christians, are not addressing. I know the challenge of raising children in a Christian home firsthand and some of my children will soon be entering their adolescent years where that struggle will become evident. I can only pray that the Holy Spirit gives us the guidance to be able to provide an attractive alternative to a completely secular culture.

Lastly, Dr. Wood writes:
What I want, and what this blog has always been about, is to improve what we have. Instead of constantly tossing potshots at evolutionary biology, we need to put up or shut up. If creationism is so much better than conventional science, where's our explanation of the pattern of radioisotopes? Or distant starlight? Or the near identity of the human and chimp genomes? And why aren't we working on answers to these questions? Why are people settling for just explaining the problems away with philosophical tricks or just distracting people from the problems by pretending like everyone else has much worse problems? Take the beam out of your own eye before you pick out the speck from someone else's. That was good advice 2000 years ago, and it's good advice today.
He is absolutely correct. And herein lies a large problem. Recently, when Dr. Wood took on Reasons to Believe's interpretation of the human/chimp genome and showed where they were wrong (and not trustworthy), a good many people who are not, to my knowledge, Christians cited this exchange quite positively, even knowing that Dr. Wood is a professed young-earth creationist. Why? Because it was about the only time in recent memory in which the secular data was examined and interpreted by someone from that point of view with complete scientific integrity.

Beginning with George MacReady Price's The New Geology, in 1923 and continuing down to the present day, the evangelical movement has made a complete hash of science. Even worse, there is a persistent evidence that those promoting this view do not even seek to get things correct. To turn the phrase that Dr. Wood used, if I hear one more evangelical non-scientist say “there are no transitional fossils” I just might scream!

Examples abound in which scientific data is skewed or twisted in such a way as to support the young earth model when, in its original form, it did exactly the opposite (Randy Isaac's response to the RATE volumes is, perhaps the best example). This leaves a very bad taste in the mouth of your average scientist.

This is a bad witness.

This is part of the reason this blog exists. Non-Christians need to know that we can confront the data in an honest fashion. If we seek to reach out to those with scientific inclinations for the cause of Christ, we must treat the data with integrity, even if it leads us down a road that we have never been down before.

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Wednesday, November 03, 2010

Nifty Video on Transitional Fossils

Karl, writing from the blog Athens and Jerusalem, has posted a long series on the "foundational falsehoods of creationism." Here is his video on transitional fossils.



He has a very good explanation of what a transitional fossil is as well as how many we actually have. The slides go past pretty quickly so you will probably need to pause the video to read them. The best line, regarding extinction: "practically everything that ever was, ain't no more."

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Wednesday, July 08, 2009

Adding a Link to the Left

I am adding a link to the left for the free Springer journal Evolution: Education and Outreach. This is a journal that Springer has provided that has the newest papers that deal with evolutionary thought and discoveries. The most recent issue, for example, is devoted to transitional fossils in the geological record.

Its important to know that this journal is free only until the end of 2009. After that, there is no knowing what the price will be.

Saturday, June 06, 2009

The New Texas Science Standards and What is Wrong With Them

The NCSE has a story about what is wrong with the new science standards crafted by the Texas State Board of Education. It is found in the new issue of Earth Scientist and starts on page 30. The article puts a plain face on some of the things that went under the radar of the mainstream press and others that were reporting on the changes. For example:
The ESS standards include material on the fossil record, and this was a predictable
target for creationist board members. A standard in the original ESS read:

(c)(8)(A) evaluate a variety of fossil types, transitional fossils, fossil lineages, and significant fossil deposits with regard to their appearance, completeness, and
rate of diversity of evolution.

This was amended to:

(c)(8)(A) evaluate a variety of fossil types, proposed transitional fossils, fossil
lineages, and significant fossil deposits with regard to their appearance,
completeness, and rate of diversity of evolution
and assess the arguments for
and against universal common descent in light of this fossil evidence.


One pro-science board member attempted to return (c)(8)(A) to its original language, but was voted down; as bad as most of these amendments were, things would have been worse had it not been for the efforts of pro-science board members.The final language adopted by the board removed references to common descent and evolution:

(c)(8)(A) analyze and evaluate a variety of fossil types, transitional fossils,
proposed transitional fossils, fossil lineages, and significant fossil deposits with regard to their appearance, completeness, and alignment with scientific explanations in light of this fossil data.
Other changes were made with regard to the age of the earth:
The age of the universe standard was amended from:

(4)(A) evaluate the evidence concerning the Big Bang model, such as red shift

and cosmic microwave background radiation, and the concept of an expanding universe that originated about 14 billion years ago.

to:

(4)(A) evaluate the evidence concerning the Big Bang model, such as red shift and cosmic microwave background radiation, and the concept of an expanding universe that originated 14 billion years ago, current theories of the evolution of the universe including estimates for the age of the universe.

Why would the Texas SBOE omit the specific age of the universe? The basis of this removal is not scientific uncertainty; the widely-accepted number of 13.7 billion years is well-established by numerous separate lines of evidence. The phrase “14 billion years” was removed in order to satisfy creationist board members who believe the universe, and the Earth, to be less than 10,000 years old.
Now one begins to understand why Casey Luskin claimed victory for the standards in his blog. These are absurd changes and, as Steve Newton writes, will only serve to confuse students who are trying to understand these already hard concepts.