Examlex
The total mass of a galaxy tends to be only slightly larger than the visible mass.
Adaptive Changes
Adjustments or modifications in organisms or populations that enhance their survival and reproductive success in a particular environment.
Natality
The rate at which individuals produce offspring; the average per capita birth rate.
Offspring
The product of reproduction, a new organism produced by one or more parents.
Population Size
The number of individuals in a species or specific group of living organisms inhabiting a particular geographic area.
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