A scientist is studying the reproduction of four organisms and records information about each organism in a table. For which organism does the scientist need to collect more information to determine if it reproduces sexually or asexually?

1. W
2. X
3. Y
4. Z

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