What is an example of nature exhibiting zero waste?
1. Oxygen is a waste product
from plants.
2. Oxygen is a waste product
from animals
3. Animals consume oxygen in
respiration
4. Plants consume oxygen in
photosynthesis
A
1 and 3
B
1 and 4
С
2 and 3
D
2 and 4

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

Dna is colied into chromosomes in a cell

What best describes lactic acid fermentation?