4. Assume that producers in an ecosystem have 1,000,000 kilocalories of en ergy. How much energy is available to primary consumers? How much is available to the quaternary consumers?

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

I’m stuck on this question cuz i’m stupid sksksksk

Number and variety of living organism; includes genetic, species, and ecological types