Keys are analytical in nature and are helpful in identification and classification of organisms. How ?

Explanation

### Step-by-Step Solution:

1. **Understanding Keys**:
- Keys are tools used in taxonomy, which is the science of classification of organisms. They help in identifying and classifying different species based on their characteristics.

2. **Nature of Keys**:
- Keys are analytical in nature. This means they involve a systematic approach to differentiate organisms based on specific traits.

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