List the main signs of biological progress and regression.
| July 15, 2021 | education
Biological progress:
– an increase in the number of individuals;
– expansion of the area;
– progressive differentiation (an increase in the number of systematically those groups that make up a given taxon).
Biological regression:
– decrease in the number of individuals of this taxon;
– narrowing of the habitat;
– a decrease in the number of subordinate systematic groups (populations and subspecies within a species, species in a genus, etc.)
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