EvolutionEasyBloom L3
Question
The two key concepts of Darwinian theory of evolution are
Options
A.Use and disuse, and inheritance of acquired characters
B.Branching descent and natural selection
C.Branching descent and mutation
D.Reproductive isolation and mutation
Solution
Sol.(b) [Key Concept: Darwinism — Branching Descent & Natural Selection] The two key concepts of Darwinian theory of evolution are branching descent (all species are related through common ancestry via branching tree of life) and natural selection (the mechanism by which heritable variations that increase survival/reproduction become more common in successive generations).
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