1. The primary factors affecting population growth include birthrate, death rate, immigration and
a. density.
b. geographic range.
C. emigration.
d. demography

Pepsin is an enzyme in the stomach that breaks polypeptides into amino acids. pepsin functions best at a ph of around 1.5. what would be the most likely result if the ph of the stomach were increased to 5

Dermal tissue in plants stores 1.extra food 2.transports water and nutrients 3.transports waste materials 4.is similar to epithelial cells in animals

The first generation of offspring from the cross of two parents is called the a. f1 generation b. f2 generation c. short generation d. p generation