Which are lymphocytes? -T-cells and phagocytes
-phagocytes and saliva
-saliva and B-cells
-B-cells and T-cells

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

What element does susan b. anthony include in this passage to strengthen her argument?

What is the correct term for an area of rotating currents in an ocean? when ocean currents combine, they create an area of rotating currents called an