Question

The frequency of a certain trait in a population of beetles will increase over time if -

there is variation in that trait within the population.
beetles possessing the trait produce more offspring
the trait is not linked to the genetic makeup of the beetle.
it creates a specialization to a specific food source.

Answer 1

this question is asking what an adaptation is or what an adaptive trait is.

Explanation:it has been hypothesized that sympatric speciation of pine beetles may occur through the isolation of populations as a result of increasing dietary ...