Science, asked by charbiVivekMe, 1 year ago

Define genetic drift , natural selection and speciation.

Answers

Answered by amalganesh10
8
the change in frequency of genetical difference among organisms is known as genetic drift..
natural selection:- the nature selects the best, or appropriate kind of organisms that are capable of surviving several calamities etc.
speciation:- the creation of new species is known as speciation. It can be due to geographical isolation, natural selection or genetic drift
Answered by Anonymous
0

Answer:

Natural selection is the process of adaption of an organism to its environment by means of selectively reproducing changes in its genotype or its genetic constitution. Genetic drift isdefined as a change in the allele frequency of a population over time due to a random selection of certaingenes.

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