The amount of energy ______ as it flows from lower trophic level to hight trophic level.

Explanation

**Step-by-Step Solution:**

1. **Understanding Trophic Levels**:
- Trophic levels represent the different positions in a food chain, starting from producers (like green plants) at the lowest level, moving up to various levels of consumers, and finally reaching apex predators at the highest level.

2. **Energy Flow in Ecosystems**:
- Energy flows from one trophic level to the next. Producers capture energy from the sun through photosynthesis and convert it into food.

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