The Living World Question 211
Assertion : All primates have a common ancestry. Reason : The most primitive primate was shrew-like animals.
Options:
A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
Show Answer
Answer:
Correct Answer: B
Solution:
All primates have a common ancestry (monophytic origin).
Primate evolution began 55-65 million years ago.
The evolutionary history of eutherian mammals dates back to early cretaceous period.
The earliest eutherians were shrew-like terrestrial insectivores.
They were small, ground dwelling mammals.
BETA
