Explain the basis for grouping organisms into five kingdoms.

Explanation

### Step-by-Step Solution:

1. **Introduction to the Five Kingdoms**:
- The classification of living organisms into five kingdoms was proposed by R. H. Whittaker in 1969. The five kingdoms are Monera, Protista, Fungi, Plantae, and Animalia.

2. **Basis of Classification**:
- Whittaker's classification is based on several key characteristics of organisms. These characteristics help in differentiating organisms into distinct groups.

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