Algae will not reproduce if the sunlight falls below a certain level. which name is given to the sunlight in this case? a. controlling factor b. limiting factor c. ecosystem factor d. reproductive factor

What are genotypes? what are phenotypes?

'which of these statements about the scientific method is not true? all experiments must follow the same number of steps in the procedure. experiments may be repeated several times. some unexpected results can be beneficial. experimental results may or may not support the hypothesis.

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?