Which statement gives an advantage of multicellular organisms? 1)They can perform more functions.

2)Their size allows them to maintain structure easily.

3)They can reproduce quickly.

4)One cell performs all of the necessary functions.

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

Vessels draining the myocardium of the heart, open primarily ,into which chamber?

14. which of the following codons code for threonine? a. ucg b. ugu c. cga d. aca