Give one example for each of the following.
Colonial coelenterate

Explanation

### Step-by-Step Text Solution:

1. **Understanding Colonial Coelenterates**:
- Colonial coelenterates are organisms that live in colonies, meaning they are made up of many individual organisms (polyps) that are genetically identical and physically connected. They do not have a specialized circulatory system and rely on diffusion for nutrient and gas exchange.

2. **Identifying an Example**:
- One of the most common examples of colonial coelenterates is **corals**. Corals form large structures known as coral reefs, which are made up of numerous individual coral polyps that work together as a colony.

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