4.1.2 Quiz: Mechanism for Evolution Question 5 of 10
Under which condition would a mutation have the most impact on allele
frequency?
A. There is no gene flow.
B. There is gene flow.
C. The population is large.
D. There are individuals moving in and out of a population.

answer; ////increased water pollution; ///////////////////////

i dont know this but ask your teacher for !

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.