Today, which country is known for its large amount of fertile farmland?
A. Saudi Arabia
B. Iraq
C. Bahrain
D. Oman

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a.the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

Jason adds the antibiotic penicillin to a bacterial culture. the bacteria develop genetic modifications in their genome, which gives them resistance to the antibiotic penicillin. what caused this genetic modification?

(amoeba sisters video recap: pedigrees and need