Define the following.
Taxon

Explanation

**Step-by-Step Text Solution:**

1. **Understanding Taxonomy**: Taxonomy is a branch of biological science that deals with the classification, naming, and identification of living organisms.

2. **Definition of Taxon**: A taxon (plural: taxa) is a group of one or more organisms that are classified together based on shared characteristics.

3. **Levels of Taxa**: Taxa can exist at various hierarchical levels, including:
- Domain
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