Apart from chlorophyll, algae have several other pigments in their chloroplast. What pigments are found in blue, green, red and brown algae, that are responsible for their characteristic colours ?

Explanation

To answer the question regarding the pigments found in blue-green, red, and brown algae that contribute to their characteristic colors, we can break down the information as follows:

### Step-by-Step Solution:

1. **Identify the Algae Types**: We need to categorize the algae into three types: blue-green algae, brown algae, and red algae.

2. **Blue-Green Algae**:
- **Pigments Present**: The primary pigments in blue-green algae (also known as cyanobacteria) are chlorophyll A and B.
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