Man made ecosystems are

Options

A. Artificial ecosystem
B. Marine water ecosystem
C. Terrestrial ecosystem
D. Forests ecosystems

Answer

**Step-by-Step Solution:**

1. **Understanding Man-Made Ecosystems**:
- Man-made ecosystems are ecosystems that are created and maintained by humans. This distinguishes them from natural ecosystems, which develop without direct human intervention.

2. **Examples of Man-Made Ecosystems**:
- Common examples include:
- **Aquarium**: A controlled environment for aquatic life, primarily fish.
- **Gardening**: Cultivation of plants in a controlled setting.
- **Agriculture**: The practice of cultivating crops for food production.
- **Poultry**: Raising domesticated birds, such as chickens, for food.
- **Piggery**: The breeding and raising of pigs.
- **Apiary**: The maintenance of bee colonies for honey production.
- **Sericulture**: The cultivation of silkworms for silk production.

3. **Identifying the Correct Option**:
- The question provides several options:
- A) Artificial ecosystem
- B) Marine ecosystem
- C) Terrestrial ecosystem
- D) Forest ecosystem
- Among these, marine, terrestrial, and forest ecosystems are all natural ecosystems. The only man-made ecosystem listed is the artificial ecosystem.

4. **Conclusion**:
- Therefore, the correct answer to the question "Man-made ecosystems are" is **Option A: Artificial ecosystem**.

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