Isolate the cytoplasm from the external environmentRegulate the exchange of substancesCommunicate with other cellsIdentificationHope this helps :P
It is a process called facilitated diffusion. It could be as simple as bringing in a glucose molecule. Since the cell membrane will not allow glucose to cross by diffusion, helpers are needed. ... That's an easy situation of passive transport because the glucose is moving from higher to lower concentration.
Answer: Monoculture
Explanation:
One type of crop at a time in one specific field. "Mono" means one.
I think it would be something like a landslide