They can make food, help keep the environment clean, and make medicines.
Answer:
The answer is oxygen and glucose
The movement of substances (as by diffusion) across a cell membrane without the expenditure of energy.
Answer: Behavioral isolation.
Mechanical isolation. ...
Temporal isolation
Animal cells each have a centrosome and lysosomes, whereas plant cells do not. Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.
