. Scientific hypotheses are and falsifiable. a. observable b. original c. provable d. testable

Iwill give brainiest to first person who gets it ! what are 3 basic types of interactions we see in an ecosystem?

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

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol