Asingle population is made of
multiple organisms.
multiple species.
multiple communities.
multiple biomes.

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

Which characteristic should describe all evidence collected by a scientist? true obvious objective subjective

What are positive impacts of algae? how is it used?