What is extrinsic control of heartbeat? In simple terms and examples please!

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

Heat from earths interior and pressure from overlying rock transform the remains of marine sediments into

List five ways we are indebted to phytoplankton