Which is the simplest correct food chain in a grassland ecosystem?

Question

Accepted Answer

B. Grass → Insect → Frog → Snake → Hawk

1. A food chain begins with the producer (grass).
2. Energy flows: producer → primary consumer (insect) → secondary (frog) → tertiary (snake) → quaternary (hawk).
3. Other orderings violate the direction of energy flow.
_Source: syllabus Science, Ch 13 "Our Environment", §13.1.1_

Answer

Insect → Grass → Snake

Answer

Frog → Snake → Insect → Grass

Answer

Hawk → Snake → Frog → Insect → Grass

Which is the simplest correct food chain in a grassland ecosystem?

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