The transition from amphibians to mammals involves the limb becoming arranged to support the weight more effectively requiring modifications in the

lilblessingjnr

9 years ago

Option B is very correct because the main point that requires transistion is the limbs, so i don't know what sternum [bosom bone] and vertebrae [backbone] are doing when we are talking about limbs.

Ojeoru

3 years ago

B is very correct.
there main functions are for balancing the body

Ifefunke

9 years ago

I think the answer is B

lilblessingjnr

9 years ago

I mean [bosom bone] not [ borosom bone o]

Louis k

10 years ago

Please explain better

davis12

12 years ago

thanks a lot