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Which one of the following is a primary consumer in maize field ecosystem?

1. Lion
2. Grasshopper
3. Wolf
4. Phytoplankton

Correct answer: Grasshopper

Solution

A primary consumer eats producers, and maize plants are producers in this ecosystem. Grasshoppers feed on plant material, so they are primary consumers, unlike lions and wolves which are carnivores, and phytoplankton which are producers.

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