In response to stress, release(s) stress hormones into the bloodstream. nk cells the adrenal glands lymphocytes the stomach

Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?

Explain light independent reactions