[IB Biology at GHS: Reviews of Ecology]

19. Which trophic level does the ground squirrel at right belong to?

a) Detritivore, because it eats dead stuff with its mouth.

b) Producer, because it provides food for consumers.

c) Saprotroph, because it digests dead stuff by dissolving it first, then sucking up the liquid remains.

d) Consumer, because it eats living organisms with its mouth.

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