A cactus is adapted for life with limited water. The green part of this cactus is its stem. Its stems are fleshy and
have a thick waxy coating.
What are two ways the structure of this cactus's stem helps the plant survive?
A. It takes in minerals from the soil.
B. It prevents water loss.
C. It carries out photosynthesis.
D. It holds the plant in the ground.

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

When analyzing tree rings, what do scientists assume a thin ring indicates?

Which of the following are the functions of the integumentary system? yadda-yadda, the 1st answer is the brainliest. : )