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SAT® Subject Test in Biology

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Producers

SATBIO-GT4KEF

The number of organisms found in a grassland ecosystem are shown in the table.

Level Number of Organisms
1 2
2 2497
3 63
4 315
5 8

$$$$
Which level most likely represents the producers and why?

A

Level 1 because it contains the fewest organisms.

B

Level 2 because it contains the most organisms.

C

Level 3 because few producers are needed in an ecosystem.

D

Level 4 because it represents the number of trees.

E

Level 5 because it represents the number of hawks.