What is the basis of classification of algae ?

Explanation

### Step-by-Step Solution:

1. **Understanding Algae**: Algae are simple, photosynthetic organisms that belong to the plant kingdom. They are considered some of the lowest forms of plant life.

2. **Basic Classification**: Algae are primarily classified into three major classes:
- **Chlorophyceae** (Green Algae)
- **Phaeophyceae** (Brown Algae)
- **Rhodophyceae** (Red Algae)
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