Rice is an important food source for much of the world but can only be grown in limited regions of the world. If world climates change as scientists predict, the rice-growing region will become even more limited. Which of the following describes how biotechnology could be used to keep rice harvests from declining?

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