How would Darwin explain the change the length of the giraffes neck ?

Cells are adapted to preform specific functions. which of the following terms refers to this capability?

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

Which statement is a physical property? becomes moldy quicklyeasy to digestconducts electricity poorlydoes not burn