The mussels that you will be studying in lab this week are filter feeders. They

Question

The mussels that you will be studying in lab this week are filter feeders. They feed on phytoplankton, a primary producer, that is suspended in the water. In turn, Pisaster ochraceous is a sea star that eat mussels. To what trophic level do P ochraceous belong? Select one: a. P ochraceous are secondary consumers because it eats mussels, who are herbivores or primary consumers b. P ochraceous are primary consumers because it eats mussels, who are herbivores or primary producers c. P ochraceous are secondary consumers because it eats mussels, who are herbivores or primary producers. Incorrect d. P ochraceous are primary consumers because it eats mussels who are primary producers. e. None of the above.

Explanation / Answer

ans . is A) P. ochraceous are secondary consumers because it eats mussels, who are herbivore or primary consumers.

Trophic level of

(Rocky Bottoms)

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