Answer:
because the membranes are selectively permeable.
Explanation:
Meaning it only allows certain ions to move across.
Answer:
rocky areas contain more minerals
Abiotic because it mean things that are not living won’t live and never have lived
The food chain would most likely collapse slowing, without a producer other animals cannot get the needed nutrients required to survive.
Over all, it is a pretty good answer and very complete. I wouldn't say Kudzu "climbs", I suggest just to say it grows up on other plants and trees affecting them negatively by suffocating them.
Maybe you could explain a little bit more about the characteristics of the plant.
It is excellent how you say it is an agressive and competitor but I wouldn't compare it with a predator, maybe more with a parasite.