When a big fish eats a small fish, which easts water-fleas supported by phytoplankton, the water leas are:
Correct answer: C. Primary consumers
- A. Secondary consumers
- B. Producers
- C. Primary consumers
- D. Top consumers in this food chain
Explanation
Phytoplankton are producers, and water fleas feed on them, placing the water fleas at the first consumer level as primary consumers. The small and big fish occupy higher consumer levels.
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