AP Biology 3.2 Evolution
AP Biology 3.2 Evolution. What is the comparison of species that live in different habitats across the globe called?
|Test Prep||AP Biology|
And here are the potential answers.
All right, let's start by eliminating answer “A”.
Homology is the existence of shared ancestry between a pair of structures in different [A monkey and a man sitting together]
Such a trait would be most evident if you were to purchase a necktie for your fave giraffe. [Person giving a gift to a giraffe]
Since giraffes have the same number of neck bones as humans do, you could theoretically
get away with buying your giraffe-pal a tie from your local Macy's. [A giraffe wearing a tie]
While that'd be a nice gesture, it wouldn't prove anything about why the giraffe lives
where he lives, so answer “A” is incorrect.
How about answer “C”?
Vestigial organs inhabit the body, but have no functional value to the person. [Human body with vestigial organs]
The appendix comes to mind.
Though to be fair, there's always a chance the appendix will turn into a ticking time [Surgeons removing a persons appendix]
bomb, so at least it has the element of surprise working in its favor.
However, the appendix and other vestigial organs aren't the answer we're looking for.
How about “D”?
Comparative embryology DOES compare species, but only to gather evidence of evolution.
It's a worthwhile field.
It helped us find out the bird evolved from the dinosaur, and that's just...ridiculous. [Diagram of a dinosaur and bird structures]
Look at that little dinky bird. [Little bird hopping in the park]
Answer “D” isn't our winner.
That leaves “B”.
And guess what?
The comparison of species that live in different habitats across the globe just happens to
be called biogeography.
Inquiring scientists want to know why marsupials are only found in Australia. [A scientist in the lab and a marsupial bounces past]
How did all the flora and fauna wind up where it wound up?
And why isn't there a duo named Flora and Fauna? [Marsupial and flowers on stage]
We'd buy that album.
B is our correct answer.
If you'll excuse us, we have to work on our next screenplay: Jurassic Park 3: Fuzzy Duck [Advert for Jurassic Park 9]
How cute. [A group of girls cuddle a duck]