Explain the two possible rates of divergent evolution and how they are both valid explanations how new species arise.

What does gradualism and punctuated equilibrium have in common

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

How does the nervous system affect the excretory system?