Answer:
Option 2 (Population of organisms change over time.
This is correct, the alligators eat the birds who eat the small fish. They will decrease with an increase in alligators.
Hvor den ja du er så søt. jeg er ikke homofil!!
<span>biological </span>evolution<span> is the process of change by which new species develop from preexisting species over time; in </span>genetic terms<span>, </span>evolution<span> can be defined as any change in the frequency of alleles in populations of organisms from generation to generation.</span>