Question

Define the following:
(a)
Speciation
(b)
Natural Selection
(c)
Genetic Drift​

Answer 1

Answer:(a)speciation:The process by which a new species develops from the existing species is known as speciation.

(b)natural selection:Natural selection is the process whereby organisms better adapted to their environment tend to survive and produce more offspring, whereas other less favourable traits tend to become eliminated.

(c)genetic drift:Genetic drift is a change in allele frequency in a population, due to a random selection of certain genes.

Hope the ans was useful to you....

Answer 2

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Speciation is the process by which new species form. It occurs when groups in a species become reproductively isolated and diverge. In allopatric speciation, groups from an ancestral population evolve into separate species due to a period of geographical separation.

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