Symbiosis...fungi exchange his nutrients and minerals from soil with solar energy from the plant
To help the nervous system and brain develop.
Answer:
The only organism that doesn't eat prey is prob scavengers, because scavengers eat dead organisms, so I don't rlly think dead organisms are preys :3
Explanation:
:3
The root word of Unicellular already tells you the answer. Uni means only one cell. So the answer is one cell.