(Will mark as brainliest) What are some of the potential evolutionary effects of masking, altering or ignoring odor in modem-day human mate selection?

Which of the following is caused by reproductive isolation within a species? a. a decrease in gene flow b. an increase in genetic flow c. a decrease in genetic drift d. an increase in gene flow

Which of these would most likely be a stimulus that would cause the body to initiate feedback mechanisms a.) normal body temperature in an arctic environment b.) normal boy temperature in a tropical environment c.)light physical activity d.)low blood sugar

Explain what is meant by a river’s load, and describe how the load is carried.