Linked Questions
24 questions linked to/from If dinosaurs could have feathers, would they still be reptiles?
32
votes
7
answers
13k
views
Is evolution a fact? [closed]
Richard Dawkins in one of his videos says that Evolution is a fact and not just a theory.
He goes on to say that man and chimpanzees both evolve from apes.
Is this correct (Is evolution a fact and ...
32
votes
4
answers
5k
views
Were there any flying dinosaurs?
I've seen some articles which came in contradiction with each other.
The first article was talking about flying dinosaurs, dinosaurs with feathers and so on.
A couple of other articles are talking ...
- 423
20
votes
3
answers
72k
views
Why are turtles classified as reptiles and not amphibians?
I understand that turtles are reptiles because like all reptiles, they have scales on their body. But turtles (specifically sea turtles) live on both land and water, very much like amphibians. Also, ...
- 537
10
votes
2
answers
2k
views
The best free and most up to date phylogenetic tree on the internet?
I found phylogenetic tree in wikipedia is lacks of accuracy. It actually confusing with versions. Some terms was not scientifically accurate with dna analysis anymore
So are there anyone know where ...
- 469
-2
votes
1
answer
7k
views
Was the dodo a dinosaur?
I've always believed that the dodo was a dinosaur, I don't know exactly why. I've done some searching on the internet, but except for toy stores selling "Dodo the Dinosaur's" I didn't find anything ...
- 115
5
votes
1
answer
4k
views
Birds and Dinosaurs
This came up in an argument with some friends. I know that birds are direct descendants of dinosaurs, shown pretty clearly through the fossil record. However, is it proper to say that birds are ...
- 53
5
votes
1
answer
4k
views
If birds are dinosaurs, then are mammals reptiles?
I'm just curious - it seems generally accepted that birds are dinosaurs. If that's the case, then can we call all mammals reptiles? Can we go even further and call humans amphibians? And since single-...
- 67
4
votes
2
answers
1k
views
Why do the ancestors of birds still exist? [closed]
If I am not mistaken, scientists believe that birds are evolved from reptiles. Why do the ancestors of birds (that is, reptiles) still exist?
- 169
-5
votes
1
answer
2k
views
How has the theory of evolution changed over time?
I learned at school and in the documentaries like everybody that (to summarize) molluscs evolved into fishes then reptiles then mammals then humans.
Does the theory still make the same claim ? or ...
- 193
4
votes
1
answer
1k
views
Reptiles are a paraphyletic group because?
Here is a question I am trying to find the answer to
Reptiles are a paraphyletic group because... ?
A) They include worm lizards, which have no limbs
B) The group doesn’t include birds
C) The group ...
- 41
0
votes
2
answers
2k
views
Evolution of insects, spiders and jellyfish
Well we all learned at school the classic evolutionarily theory
...
- 17
1
vote
2
answers
372
views
Has evolution made a mistake with prehistoric animals?
Let me start this by saying I have very limited knowledge in biology and evolution.
However, when visiting museums and watching documentary movies, I always get impression dinosaurs (and other ...
- 121
4
votes
2
answers
854
views
Do reptiles hunt?
I encountered the following passage in the book The Art of Interactive Design by Criss Crawford (bold formatting is mine):
[...] From stalking and evasion to the chase, the [interaction between ...
- 143
4
votes
2
answers
363
views
Evolution of dinosaurs
What did dinosaurs evolve from? Was it the reptiles that evolved from amphibians? I have been researching this but am very confused with who their direct predecessor was. Amphibians evolved from fish.....
- 201
-3
votes
1
answer
536
views
Could we back-breed birds into dinosaurs? [closed]
Do some species of birds have dinosaur DNA? Seeing as how birds evolved from dinosaurs. I presume this isn't possible as I haven't seen anything else about it on the internet but it's interesting to ...
- 101
6
votes
1
answer
312
views
Has the most recent common ancestor of all living birds lived after dinosaur mass extinction?
I wonder if one or more phylogenetic threads of dinosaurs survived the mass extinction.
In other words, are all living birds equally related to any given ancient dinosaur, or do some birds relate ...
0
votes
1
answer
646
views
How does the modern synthesis theory explain the evolution of birds from dinosaurs? [closed]
The theory of evolution claims that birds evolved from dinosaurs only by mutation, genetic drift, migration and natural selection.
However, it seems to me that wings were not selectively advantageous ...
- 163
1
vote
2
answers
352
views
Why aren't mammals and reptiles considered amphibians?
We've all heard it: birds descend from dinosaurs, so they're dinosaurs too. But this got me thinking: doesn't this mean that, for instance, all terrestrial vertebrates – including humans – are ...
- 13
2
votes
2
answers
219
views
Is there really a clear distinction between dinosaurs and birds?
Traditionally, birds are classified as a class of dinosaurs and the term non-avian dinosaurs is introduced to refer to the rest.
As recent discoveries suggest that some dinosaurs may have been warm-...
- 173
-4
votes
1
answer
218
views
Wasn't extinction of dinosaurs necessary? [closed]
Beginning from the triassic era, dinosaurs crawled for millions of years. So my basic idea is, that had the dinosaurs not been wiped out, they would have eaten all the flora on the planet then. ...
0
votes
1
answer
533
views
Basic question about phylogenetic trees
The following is an illustration rom my book of the phylogenetic tree of 6 animal phyla (the red stuff is mine):
I think what's causing some confusion is that there are no names/years at the circled ...
- 209
1
vote
1
answer
199
views
Why are there no endoparasitic mammals or reptiles or birds? [closed]
I am curious why there aren’t any endoparasitic mammals, reptiles or birds
Endoparasite being a parasite that live In the host whereas ectoparasite lives On the host
I hope this clears up confusion
2
votes
1
answer
188
views
What is the adaptive significance of temperature dependent sex determination?
Why do some reptiles have TDSD ? Is it because one of the genders is healthier than the other that only they, can survive high temperatures?
- 542
1
vote
1
answer
162
views
Are there any known plesiomorphies of all living mammals relative to a newer trait state in all living reptiles?
If I understand how a "trait" is defined, a turtle's shell is a synapomorphy relative to mammals and the common ancestor of living amniotes. The same would go for a snake's limblessness, etc. But are ...
