Systematics deals with :-

Options

A. Classification
B. Nomenclature
C. Plant description
D. identification

Answer

**Step-by-Step Solution:**

1. **Understanding Systematics**: The term "systematics" refers to the scientific study of how living organisms are classified, named, and identified. It involves understanding the relationships between different organisms.

2. **Historical Context**: Initially, systematics focused primarily on the description of plants. Early scientists were interested in identifying and cataloging the various types of plants.

3. **Contribution of Linnaeus**: The scope of systematics was greatly expanded by Carl Linnaeus, who published the book "Systema Naturae." In this work, he introduced a systematic way to classify organisms, which included not just plants but also animals, and established a framework for naming and identifying organisms.

4. **Components of Systematics**: Systematics encompasses three main components:
- **Classification**: Grouping organisms based on shared characteristics.
- **Nomenclature**: The system of naming organisms.
- **Identification**: Determining the identity of an organism based on its features.

5. **Conclusion**: Given the context of the question, the correct answer is that systematics deals with the classification, nomenclature, and identification of organisms.

**Final Answer**: Systematics deals with the classification, nomenclature, and identification of organisms.

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