Clearing paths on the ground under the snow in search for grasses during
the winter is part of the niche of which population in the arctic tundra?
oa) indigo buntings
ob) himalayan tahrs
oc) white-tailed deer
od) norway lemmings

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