BI-1902
Food chains and food webs
Biology · Secondary 4 · Medium · Food chains and food webs
In a pond ecosystem, a small fish eats insect larvae and is eaten by a heron. Which row correctly identifies the trophic level of the small fish and the heron in this food chain?
- small fish: secondary consumer; heron: tertiary consumer
- small fish: primary consumer; heron: secondary consumer
- small fish: producer; heron: primary consumer
- small fish: tertiary consumer; heron: secondary consumer
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