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  • A very small population of a species faces a greater threat of extinction than a larger population. Provide a suitable genetic explanation.

A very small population of a species faces a greater threat of extinction than a larger population. Provide a suitable genetic explanation. 

Answers (1)

A very small population of a species faces a greater threat of extinction than a larger population because of the following reasons:
1. A small population promotes inbreeding.
Production of offspring from the mating or breeding of individuals or organisms that are closely related genetically, is known as inbreeding.
2. Small populations are helpless against abrupt climate changes. Because of genetic drift, the odds of species with a small population may be wiped out.
3. A small population gets reproductively isolated so no exchange of genes, which would lead to fewer variations.

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