Organisms that live where there is no light use a process that converts energy
from chemicals into sugars. What is it
called?
A. photosynthesis
B. dark reactions
C. chemosynthesis
D. chemical bonding

The body is protected against harmful flu viruses by

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

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell