Question

define Evolution in species​

Answer 1

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In biology, evolution is the change in the characteristics of a species over several generations and relies on the process of natural selection. ... Evolution relies on there being genetic variation? in a population which affects the physical characteristics (phenotype) of an organism.

Answer 2

Answer:

An evolutionary species is a lineage (an ancestral–descendant sequence of populations) evolving separately from others and with its own unitary evolutionary role and tendencies. What counts here is that no matter what happens in terms of gene exchange, the populations remain distinct, and have their own forms, adaptations, and fate.

Explanation:

in evolution some sort of dna change occurs in species due to changes in external environment which eventually leads to change in structure of organism