Assertion: Human, frog and bird have a common ancestor.
Reason: Limbs of human, bird and frog are homologous.
Assertion: Human, frog and bird have a common ancestor.
Reason: Limbs of human, bird and frog are homologous.
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Last Activity: 3 Years ago
Last Activity: 3 Years ago
Last Activity: 3 Years ago
Last Activity: 3 Years ago
Last Activity: 3 Years ago