MANE YAK WHAT TO DO IM STUCK ON #17 WHAT DO YALL THINK IT IZ

Which of the following systems in absorbing oxygen and releases carbon dioxide

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 gene expression control that occurs after the generation of rna