All Questions
5 questions
1
vote
2
answers
489
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
1
answer
378
views
Are bears related to dogs in a similar way to how cats are related to 'panthers'?
I've tried searching on Wikipedia but I couldn't find what family dogs belonged to. Ursidae is 'bears' and Canis is 'dogs' ; Panthera is big cats like:- tigers and jaguars is what I know.
- 21
0
votes
2
answers
449
views
What Makes an Afrothere an Afrothere?
The mole-like golden moles.
The hedgehog-like tenrecs.
The shrew-like sengis.
The rodent-like hyraxes.
The anteater-like aardvarks.
The whale-seal-hybrid-like sirens.
The tapir-like ...
- 167
3
votes
1
answer
374
views
Mammal vs Placental Mammal
So for Google Earth Day's quiz I ended up being a "Pangolin." Turns out I had no idea what it was so I looked into it and honestly it reminded me a lot of an Armadillo. So I decided to find out the ...
- 131
8
votes
2
answers
1k
views
Goats are so fearless but sheep are not. Is there any genetic difference responsible?
As you see in the picture goats (not only wild goats) are so fearless, but I never saw any sheep do this. What is the source of this difference in behavior?
- 2,274