Which homopolysaccharide is called animal starch?

Explanation

**Step-by-Step Solution:**

1. **Definition of Homopolysaccharide**: Begin by understanding what a homopolysaccharide is. A homopolysaccharide is a type of polysaccharide that consists of only one type of monosaccharide unit.

2. **Understanding Animal Starch**: The term "animal starch" refers to the way animals store glucose. In animals, glucose is stored in a form that is similar to starch in plants.

3. **Identifying the Storage Form**: In animals, the storage form of glucose is called glycogen. This is the equivalent of starch in plants, which is why glycogen is often referred to as "animal starch."

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