Energy enters the ecosystem through

Options

A. Herbivore
B. Carnivore
C. Producer
D. Decomposer

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks how energy enters the ecosystem. We need to identify which of the given options (herbivore, carnivore, producer, decomposer) is responsible for this process.

2. **Identifying the Source of Energy**: The primary source of energy for most ecosystems is the Sun. The Sun emits energy that is captured by living organisms.

3. **Role of Producers**: Producers, primarily plants, are the organisms that convert solar energy into chemical energy through the process of photosynthesis. They utilize sunlight to synthesize food from carbon dioxide and water.

4. **Energy Transfer in the Ecosystem**: Once energy is captured by producers, it is then transferred through the food chain:
- Producers (plants) are consumed by herbivores (primary consumers).
- Herbivores are then consumed by carnivores (secondary consumers).
- Finally, decomposers break down dead organic matter, returning nutrients to the soil.

5. **Conclusion**: Since producers are the first to capture solar energy and convert it into a usable form for other organisms in the ecosystem, we conclude that energy enters the ecosystem through producers.

6. **Final Answer**: The correct answer is option C, producer.

---