Homework Answers
A is incorrect as they contain chlorophyll so they are not heterotrophic.
B is incorrect as they are photosynthetic so they can make their own food and they are not heterotrophic.
C is incorrect as they are not heterotrophic instead they are autotrophic.
D is correct as they have chlorophyll so they can perform photosynthesis. They are multicellular and they also belong to kingdom protista.
So, the correct answer is D.
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