Questions tagged [evolution]

Evolution is the process of change in all forms of life over generations, and evolutionary biology is the study of how evolution occurs. The biodiversity of life evolves by means of mutations, genetic drift and natural selection.

Filter by
Sorted by
Tagged with
19
votes
3answers
5k views

Is human evolution slowing down?

It has been said that the human race has basically hit a point where any further evolution is essentially unnecessary: protection from most harmful diseases is provided by medicine, we have very few ...
78
votes
5answers
16k views

Were people shorter in the middle ages?

In many castles or museums you'll find medieval armor, belonging to a knight. Those are often very small compared to the average human nowadays. I've heard this explained multiple times as being due ...
51
votes
3answers
6k views

Demonstrable and repeatable examples of evolution

Are there examples of evolution that can be demonstrated as proof that evolution occurs and is a useful mechanism for making predictions? Some examples that come to mind include: Animal husbandry (e....
59
votes
5answers
9k views

Does "The Fossil Record" evidence sufficiently support evolution?

According to Darwin, the absence of intermediate fossil forms “is the most obvious and gravest objection which can be urged against my theory.” What new fossil finds, if any, have occurred since ...
34
votes
5answers
4k views

Does DNA add credibility to the theory of evolution?

I have yet to make up my mind regarding the theory of evolution. Whilst doing some reading on dnafish I read that DNA itself provides evidence for the theory of evolution: Yeast, trees, flowers, ...
14
votes
3answers
3k views

Is the fossil KNM-ER 1470 evidence that other dating methods other than the fossil record are inaccurate?

The skull was originally dated to be almost 3 million years old. This led Richard Leakey, the son of famed archeologist Louis Leakey to comment, "Either We toss out this skull or we toss out our ...
14
votes
5answers
7k views

Does the theory of evolution contradict the second law of thermodynamics?

I was reading about the Law of Thermodynamics, and the Second Law of Thermodynamics really interested me because the Law apparently stated that in any isolated system, the entropy of that system will ...
31
votes
4answers
2k views

What is the commonly accepted mechanism that causes people to experience pareidolia?

I often see cases of pareidolia reported in the news, on blogs, and even here. I think remember reading in Demon Haunted World by Carl Sagan that this had an evolutionary origin (i.e. if you see a ...
14
votes
2answers
3k views

Is Lamarckian evolution still considered credible?

I had thought that Lamarckian evolution had been essentially dismissed in favour of Darwinian evolution. Lamarckian evolution as I understand it is essentially the idea that the traits an organism ...
27
votes
4answers
4k views

Does the Catholic church accept evolution?

In his 2007 video 1st Foundational Falsehood of Creationism the YouTuber AronRa claims [Catholicism and Orthodoxy] have stated support of evolution and denounced creationism. Pope Benedict recently ...
18
votes
4answers
2k views

Are evolutionary explanations "Just so stories" [closed]

There's a claim that evolutionary explanations are nothin more then "just so stories", that is, for any trait we can find in nature, one could find a way to explain why it's adaptive. For example: ...
17
votes
4answers
2k views

Does homosexuality preserve the species?

From The Huffington Post: For even without a causal link established between homosexuality and population management, the obvious reduction in population growth attributable to homosexuality by ...
13
votes
2answers
892 views

Have we observed evolution through natural selection in areas of high child/youth mortality?

It has been suggested to me that human evolution has slowed or halted because natural selection no longer "weeds out the weak" before they get a chance to reproduce. However, there are still places ...
17
votes
2answers
2k views

How could Darwin be sure all life has a common origin

I don't recall exactly the words he used, but to the best of my recollection Darwin was quite certain that all living things share a common ancestor. First of all, is this correct? Second, and more ...
14
votes
5answers
1k views

Has natural occuring genetic insertion ever been observed in direct offspring of some organism?

Maybe this is somewhat of an ignorant question of me, and in all honesty I haven't tried very hard to find what I'm looking for1, but I keep hearing the argument that "information" can never be added ...
13
votes
1answer
3k views

Did Lucretius write about evolution and natural selection?

Robert Krulwich of NPR claims that Professor Stephen Greenblatt claims that Lucretius (around 99-55BC) said: ... moving randomly through space, like dust motes in a sunbeam, colliding, hooking ...
5
votes
1answer
728 views

Does the time for evolution make sense? [closed]

It is claimed that there has been sufficient time for life to evolve on Earth from a Last Universal Ancestor into its present state, based on the current theory of natural selection. Is this true? ...
3
votes
1answer
396 views

Is the human genome deteroriating? [duplicate]

http://m.pnas.org/content/107/3/961.full Thus, although there is considerable uncertainty in the preceding numbers, it is difficult to escape the conclusion that the per-generation reduction in ...
1
vote
0answers
349 views

Is there legitimate scientific debate about evolution? [duplicate]

Possible Duplicates: Demonstrable and repeatable examples of evolution Does "The Fossil Record" evidence sufficiently support evolution? Have we observed evolution through natural selection in ...