Question

Which of these describes a likely reason why a species would become extinct after a major environmental change plsss answer

Answer 1

Answer:

Once a species starts dwindling in numbers, there's a smaller pool of available mates and often a corresponding lack of genetic diversity. This is the reason it's much healthier to marry a complete stranger than your first cousin, since, otherwise, you run the risk of "inbreeding" undesirable genetic traits, like susceptibility to fatal diseases.

Explanation: