Two species of frogs are unable to mate with each other because they have different mating calls. This is an example of

A) genetic drift

B) geographic isolation

C) none of these

D) reproductive isolation

What is fungi in biology

Which usage of water uses the least amount of water in a year in the United States? A. public water supply B. livestock C. irrigation D. industry

Enzymes speed up a biological reaction by Blank Space

Which of the following is characteristic of the product of the p53 gene? A) It causes cell death via apoptosis. B) It speeds up the cell cycle. C) It allows cells to pass on mutations due to DNA damage.

Explain how malaria and sickle cell anemia are selection pressures that stabilize the sickle cell allele frequency in a population

In the "analyzing the problem" step in the problem solving process, one should evaluate the causes, effects, and symptoms of the problem.

Why is bacteria alive?

Why don't scientists keep/collect everything they find?

If an organism with 52 chromosomes has a pair of sex determining chromosomes. How many autosome pairs would it have?

7. Choose the best explanation of the difference between evolution and natural selection. A. Natural selection is the idea that species change over time, and evolution is the idea that our world changes over time. B.