Name four types of heterotropic nutrition on the basic of nature of food.

Explanation

To answer the question about the four types of heterotrophic nutrition based on the nature of food, we can break it down into the following steps:

### Step-by-Step Solution:

1. **Understanding Heterotrophic Nutrition**:
- Heterotrophic nutrition refers to the mode of nutrition in which organisms obtain their food from other living organisms, as they cannot produce their own food through photosynthesis or chemosynthesis.

2. **Identifying the Types**:
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