Semipermeable means something can be penetrated by a few things. that being said choices A and B can be eliminated.
Choice D would negate semi as it says all polar molecules, leaving choice C as the best answer
Answer:
C4 plants—including maize, sugarcane, and sorghum—avoid photorespiration by using another enzyme called PEP during the first step of carbon fixation. This step takes place in the mesophyll cells that are located close to the stomata where carbon dioxide and oxygen enter the plant.
Explanation:
Answer:
D) increased nematodes, decreased animals.
Explanation:
WIth fewer things to eat, animals will likely die out, and with nothing to control the growth of nematodes, their population with grow rapidly and out of control.