Differences between a toad and a grasshopper

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

How would you describe the the organisms in the second row of model 1 that are connected to the parents by a line

Awolf pack hunts,kills, and feeds on a moose. in this interactions, the moose is a?