Compare and contrast predators and prey please

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

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

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?