How do the two photosystems work together to capture energy from sunlight?

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

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