The organisms in a community are interdependent. what does this mean? the organisms are very different from one another. the organisms compete for food and water. the organisms rely on each other for survival. the organisms all live in the same niche.

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

Name the organs of humanelemintary canal.

Isolated volcanic peaks on the ocean floor are