Answer:
D: Variations in individuals are not heritable
Explanation:
Variations of animals, if there not primarily aesthetic, are actually useful animals to survive in their environment. Some populations do overpopulate, some resources (e.g. to water in an environment, which can flood said environment.) can stunt population growth, and some individuals are better suited to success in their given locations, in which there genes are passed down to their offspring. Those were all true, but D doesn't make any sense because those variations allow for them to survive if they benefit an individual
