What are some facts about eukaryotic 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

When analyzing tree rings, what do scientists assume a thin ring indicates?

What are examples of the plant life and animal life that can be found in each type of terrarium