As an environment changes, and some organisms have a higher fitness than others, natural selection acts directly
A. Existing variations
B. Genetic material
C. Acquired traits
D. Individual organisms

When explaining dominant and recessive traits to a younger family member, they respond, "well chances are i can probably taste ptc, since dominant traits are more common." how might you address this misconception?

Producing disposable grocery bags consumes resources. recycling disposable bags is a solution that can recover some of the resources used to make new bags. which of the following behaviors could further refine the solution? a. disposing of bags by burning them b. reusing bags whenever possible c. using bags at once so that they do not break d. using only nonrenewable materials to make new bags subject is environmental science for apex users

In what part of the body does the most muscle activity happen?