How have exotic species affected biodiversity?
a) they have resulted in the extinction of native species.
b) they have resulted in the over-harvesting of fish, trees, and other organisms.
c) they have resulted in global climate change.
d) all of these.

The frequency of alleles in a population that is in hardy weinberg equilibrium? a . changes in each successive generation b. is less important than the frequency genotypes c. shows evidence of the process of natural selection d. remains the same over several generations