How might a behavior be a result of genetics and environmental factors?

Heritability estimates give information about how much of an impact genes have on a behavior in a certain environment. ... They do this because the genetic material of identical twins is almost exactly the same, which makes it easier to determine the relative influence of the environment.

the best answer is, earth strong )

explanation:

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.