Final answer:
The flow of energy in an ecosystem begins with the sun, then moves through producers, primary consumers, secondary consumers, and ends with tertiary consumers.
Explanation:
Trophic Levels and Energy Transfer
- the sun
- producers
- primary consumers
- secondary consumers
- tertiary consumers
The sun provides energy to producers, which are then consumed by primary consumers, followed by secondary consumers, and finally tertiary consumers in an ecosystem.
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