(Blank) are all heterotrophic, while (blank) can be either heterotrophic or autotrophic.

A. Fungi, Protists

B. Protists, Fungi

C. Plants, Protists

D. Protists, Plants

Option A. Fungi, Protists

Explanation:

Fungi are all heterotrophic organisms, while protists can be either heterotrophic or autotrophic. Heterotrophic are the organisms which has no ability to make their own food, they feed on other organisms such as animals and fungi while autotrophic are those organisms which has the ability to make their own food in the process of photosynthesis such as plants and some protists like algae. All the protists are not autotrophic, some are also heterotrophic.

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