Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question

Question

The term 'therapsids' refers to:
Options
A Early mammals
B Reptilian ancestors of mammals
Correct Answer
C Modern placentals
D Egg-laying mammals
Correct Answer

Option B is the correct answer.

Detailed Explanation

Therapsids are a group of synapsids that are the reptilian ancestors of mammals. They lived during the Permian and Triassic periods and exhibited progressive mammalian features.

Hint

These extinct animals are the lineage from which mammals evolved.

Question Info