I need to answer ASAP Pls

Describe speciation of the galapagos island finches in terms of geographic isolation

After fertilization, which type of cellular division is responsible for the growth and development of a complex, multicellular organism?

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