Smallest unit of ecology is

Options

A. organism
B. species
C. population
D. ecosystem

Answer

To determine the smallest unit of ecology, we can follow these steps:

1. **Understanding the Concept of Ecology**: Ecology is the study of interactions between living organisms and their environment. It encompasses various levels of biological organization.

2. **Identifying the Levels of Ecological Organization**: The levels of ecological organization include:
- Organism: An individual living entity.
- Population: A group of individuals of the same species living in a particular area.
- Community: Different populations of various species that live together in a defined area.
- Ecosystem: A community of living organisms interacting with their physical environment.
- Biome: A large area characterized by its vegetation, soil, climate, and wildlife.
- Biosphere: The global sum of all ecosystems, where life exists.

3. **Determining the Smallest Unit**: Among these levels, the smallest unit is the organism, which is an individual living entity.

4. **Conclusion**: Therefore, the smallest unit of ecology is the organism.

**Final Answer**: The smallest unit of ecology is the organism.

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