Food storing cells of sponges are called ………. .

Explanation

### Step-by-Step Solution:

1. **Understanding Sponges**: Sponges are simple organisms that belong to the phylum Porifera. They are primarily made up of various types of cells and do not have true tissues or organs.

2. **Identifying the Main Cells**: The main types of cells in sponges include choanocytes, which are responsible for creating water currents and capturing food particles, and other specialized cells that perform various functions.

3. **Recognizing Food-Storing Cells**: Among the different types of cells in sponges, there are specific cells that are responsible for storing food. These cells are essential for the sponge's survival as they help in maintaining energy reserves.

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