Zooplankton are tiny animals that feed on what?
Options:
- (A) sunlight
- (B) vegetation
- (C) Energy
- (D) loose soil
- (E) plant life
- (F) diatoms
- (G) fungi
- (H) chemicals Let's solve this problem gradually.

user
Zooplankton are tiny animals that feed on phytoplankton. Diatoms are the predominant phytoplankton. Zooplankton are tiny animals that feed on diatoms. So the final answer is (F).
assistant