Term Systematics was coined by Linnaeus for his book Systema Naturae. It includes

Options

A. Identification, Nomenclature, Classification
B. Relationships among organisms
C. Diversity of organisms
D. All of the above.

Answer

To answer the question regarding what the term "systematics" includes as coined by Linnaeus in his book "Systema Naturae," we can break down the solution into several steps:

### Step-by-Step Solution:

1. **Understanding Systematics**:
- Systematics is derived from the Latin word "Systema," which means "arrangement." It refers to the systematic arrangement of organisms.

2. **Components of Systematics**:
- Systematics encompasses various aspects of biological classification, including:
- **Identification**: The process of recognizing and naming organisms.
- **Nomenclature**: The system of naming organisms according to established rules.
- **Classification**: The organization of organisms into categories based on shared characteristics.

3. **Diversity of Organisms**:
- Systematics involves the study of the diversity of organisms, which includes understanding the variety of life forms present on Earth.

4. **Relationships Among Organisms**:
- Systematics also examines the relationships among different organisms, helping to understand how they are related through evolution.

5. **Conclusion**:
- Given the definitions and components discussed, we can conclude that systematics includes:
- Identification, nomenclature, classification (Option A)
- Relationship among organisms (Option B)
- Diversity of organisms (Option C)
- Therefore, the correct answer is **Option D: all of the above**.

### Final Answer:
The term systematics, as coined by Linnaeus in "Systema Naturae," includes identification, nomenclature, classification, relationships among organisms, and diversity of organisms. Thus, the correct answer is **D: all of the above**.