In pea plants, flowers can be purple (P) or white (p). In a field of peas, you count 18 plants with white flowers, and 142 plants with purple flowers.

Why do oceanic plates tend to subduction when colliding with a continental plate

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes