What are elementary species?

Explanation

### Step-by-Step Solution

1. **Definition of Elementary Species**:
- Elementary species refer to individuals or species that exhibit variations from their parent species. These variations are significant enough to result in differences in characteristics between the parent and the offspring.

2. **Nature of Variations**:
- The variations observed in elementary species arise due to mutations in the genetic material. These mutations can lead to changes in the traits that are expressed in the offspring.

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