Class 10 Science Biology Heredity and Evolution



The unit of natural selection is
(a)
Family
(b)
Species
(c)
Individual
(d)
Population
Correct answer: (c) 
Solution: Natural selection is gradual, a nonrandom process by which biological traits become either more or less common.The term was popularised by Charles Darwin. The unit of natural selection is individual since genes work at an individual level.
So, the correct answer is option C.

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components of food
heredity and evolution
how do organisms reproduce?
microorganisms: friend and foe
why do we fall ill?