Study of ecology of population is called

Options

A. Autecology
B. Synecology
C. Ecotype
D. Demecology

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term that refers to the study of the ecology of populations. This means we are looking for a specific branch of ecology that focuses on how populations of organisms interact with their environment.

2. **Analyzing the Options**:
- **Autoecology**: This term refers to the study of individual organisms or a single species and their interactions with the environment. This is not what we are looking for.
- **Synecology**: This branch of ecology studies groups of organisms and their interactions within a community. It focuses on multiple species rather than just populations. Hence, it is also not the correct answer.
- **Ecotype**: This term refers to a genetically distinct population adapted to specific environmental conditions. It does not pertain to the study of populations in an ecological context.
- **Demacology**: This is the correct term as it specifically refers to the study of the ecology of populations.

3. **Conclusion**: Based on the definitions of the terms provided, the study of the ecology of populations is called **demacology**.

**Final Answer**: Demacology

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