Complete the following analogy. family is to population, as house is to niche habitat community biome

Which system revise and send electrical signals throughout the body

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

Which of these is a provisioning service people get from the ocean