Taxonomic hierarchy refers to

Options

A. Stepwise arrangement of all categories for the classification of plants and animals
B. A group of senior taxonomists who decide the nomenclature of plants and animals
C. A list of botanists or zoologists who have worked on the taxonomy of a species or group
D. The classification of a species based on fossil record

Answer

**Step-by-Step Solution:**

1. **Understanding Taxonomic Hierarchy**: Taxonomic hierarchy refers to the systematic classification of living organisms. It organizes biological diversity into categories that reflect evolutionary relationships.

2. **Categories of Taxonomic Hierarchy**: The hierarchy consists of several levels, which include:
- **Kingdom**: The highest taxonomic rank, grouping together all forms of life.
- **Phylum**: A category within a kingdom, grouping organisms based on major body plans.
- **Class**: A further division within a phylum, grouping organisms that share common characteristics.
- **Order**: A grouping of families that share certain traits.
- **Family**: A group of related genera (plural of genus).
- **Genus**: A group of species that are closely related.

3. **Stepwise Arrangement**: The taxonomic hierarchy is structured in a stepwise manner, meaning each level is built upon the previous one. This systematic arrangement helps in understanding the relationships and characteristics of different organisms.

4. **Conclusion**: Based on the understanding of taxonomic hierarchy, it can be concluded that it is primarily a stepwise arrangement of all the categories for the classification of plants and animals.

5. **Correct Answer**: The correct answer to the question is option A: "a stepwise arrangement of all the categories of classification of plants and animals."

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