The primitive hydra reproduces during the summer, when the new hydra develops as a bud of the parent. The buds break off, and the young hydra are clones of the parent organism. What kind of reproduction is this? a. Sexual
b. Asexual
c. Genetic
d. Mother-daughter cells

Which of the following sex and generation combinations directly produces the pollen tube of angiosperms? a) male gametophyteb) female gametophytec) male sporophyted) female sporophyte

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

What organ is the first to receive nutrients that have been absorbed from the digestive tract?