"cell theory has two main parts: every living organism is composed of one or more cells, and all cells living today came from a preexisting cell. does cell theory apply to viruses? "

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 will happen if deforestation continue to destroy the green plant on the planet

Vessels draining the myocardium of the heart, open primarily ,into which chamber?