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How is a key helpful in the identificati...

How is a key helpful in the identification and classification of an organism?

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### Step-by-Step Solution 1. **Definition of a Key**: A key is a taxonomical aid that assists in the identification and classification of various organisms, including plants and animals. 2. **Purpose of a Key**: The primary purpose of a key is to help users identify organisms based on their characteristics. This is crucial for scientists and researchers in classifying organisms accurately. 3. **Structure of a Key**: Keys are structured based on similarities and dissimilarities of characteristics between organisms. These characteristics are often presented in pairs, known as "couplets." ...
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