*PLEASE ANSWER Which of the following describes schooling?

a.) a group of marine animals coexisting in a group of a dozen or so

b.) fish moving in tightly packed groups, often at high speeds moving in near unison with extreme agility and never touching

c.) a group of marine animals from diverse species living together in a relatively small area

Which of the following is an example of a non-falsifiable hypothesis? a. there is a teacup orbiting the milky way galaxy. b. there is no life on mars. c. the human species started in africa. d. humans cannot live without the amino acid methionine

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

Do plant cells perform cellular respiration?