Which statement describes the chemical released by the coral and explains its effect is region 12
O The chemical is a pheromone that attracts nearby goby fish so that they can reproduce.
O The chemical is a toxin that causes goby fish to swim away from the region.
O The chemical is a pheromone that attracts goby fish that eat the seaweed on the coral.
O The chemical is a toxin that is spread by the goby fish to kill the seaweed.

The use of dna as evidence in criminal investigations became possible because of the

Wht happens as electrons in the electron transport chain release their energy

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