Auto-ecology is the study of relationship between

Options

A. population and environment
B. communities its geographical area
C. ecosystem and its enviorment
D. none of these

Answer

**Step-by-Step Solution:**

1. **Understanding Auto-Ecology**: Auto-ecology is a branch of ecology that focuses specifically on the relationships between individual organisms or populations and their environment.

2. **Defining Ecology**: Ecology, in general, is the study of interactions between organisms and their biotic (living) and abiotic (non-living) environments. This broad definition helps us understand the context in which auto-ecology operates.

3. **Identifying Relationships**: Auto-ecology examines reciprocal relationships at various developmental stages between an individual organism or a population and its environment. This means it looks at how organisms affect their environment and how the environment affects them.

4. **Evaluating the Options**: The question provides several options regarding what auto-ecology studies:
- **Option 1**: Population and environment
- **Option 2**: Community and its geographical area
- **Option 3**: Ecosystem and its environment
- **Option 4**: None of these are right

5. **Analyzing the Options**:
- **Option 1** is correct because it directly relates to the study of auto-ecology, which focuses on the relationship between populations and their environment.
- **Option 2** is incorrect as it refers to communities and geographical areas, which is broader than the scope of auto-ecology.
- **Option 3** is also incorrect because it mentions ecosystems, which is not the focus of auto-ecology.
- **Option 4** is incorrect because option 1 is indeed correct.

6. **Conclusion**: Based on the analysis, the correct answer to the question "Auto-ecology is the study of the relationship between" is **Option 1: Population and environment**.

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