2. Why do the scientists continue to collect data about the ecology of the Hudson River 20 years after the invasion of the zebra mussels?​

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

What statements describe a host organism?

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?