The reserve food material in fungi is _________ .

Explanation

**Step-by-Step Solution:**

1. **Understanding Fungi**: Fungi are a group of organisms that are distinct from plants and animals. They are classified as heterotrophs, meaning they obtain their nutrients from other sources rather than producing their own food through photosynthesis.

2. **Reserve Food Material**: The question asks about the reserve food material in fungi. Reserve food materials are substances that organisms store for later use, particularly for energy.

3. **Types of Reserve Food in Fungi**: In fungi, the reserve food material is primarily stored in the form of glycogen. Glycogen is a multi-branched polysaccharide that serves as an energy reserve.

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