Question

ASSERTION(A): Human, frog and bird have a common ancestor. REASON(A): Limbs of human, frog and bird are homologous ​

Answer 1

Answer:

both are true and reason is correct explanation of assertion

Explanation:

due to the presence of homologous organs in all humans birds and frogs.. it is safe to assume that all had common ancestors

Answer 2

Answer:

both the assertion and the reason are correct and the raeson is the correct explanation of the assertion

Explanation:

many experiments and many studies have been  conducted by sciencetists

that the parts rarely used by the organism have slowly disappeared