List the main signs of biological progress and regression.
| June 29, 2021 | education
Biological progress:
Increase in the number of individuals; expansion of the area;
Progressive differentiation – an increase in the number of systematically those
of the groups that make up this taxon.
Biological regression: a decrease in the number of individuals of a given
taxon, narrowing of the habitat, decrease in the number of subordinates
systematic groups (populations and subspecies within a species, species in
kind, etc.)
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