Question

what is evolution and speciation? explain.

Answer 1

speciation means change in species  due to natural and survival factors.

evolution is sequence of gradual changes which takes place in primitive organisms ,over a long period of time[millions of years] ,in which new species are produced

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Answer 2

Evolution is defined as a naturally occurring, slow, continuous, and an irreversible process of change in living organisms. It is the generation of diversity, and the shaping of the diversity by environmental selection. Genetically, it is also defined as the change in the frequency of certain genes among the individuals of a species over several generations...

Speciation is defined as the process by which a new species gets into existence from an existing species...

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