Which is NOT an example of a natural environmental change? A. a beaver dam
B. a hurricane
C. a volcanic eruption
D. a housing development
(Plz answer quick)

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 is used to keep track of the gamates and possible offsprings combination

The first amino acid of a new polypeptide chain is