When your body becomes dehydrated, the pituitary gland stimulating thirst. a. sends a nerve impulse c. reabsorbs salts b. secretes a hormone d. tightens and relaxes muscles

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

What do all macromolecules have in common with each other? oa. they all are formed from the same elements.ob. they all have major roles in cell membranesoc. they all act as catalysts in the body.od. they all have peptide bonds between carbon atoms.

According to these anatomical structures which two animals are probably most closely related