The mode of nutrition in which an organism depends on other organism for their food is known as ______ .

Explanation

**Step-by-Step Solution:**

1. **Understanding Nutrition Modes**: Begin by recognizing that organisms have different modes of nutrition. The two primary types are autotrophic and heterotrophic nutrition.

2. **Defining Heterotrophic Nutrition**: Heterotrophic nutrition is the mode where organisms cannot produce their own food and must rely on other organisms for sustenance.

3. **Examples of Heterotrophic Organisms**: Common examples include animals and fungi. These organisms obtain their nutrients by consuming other organisms, either plants or other animals.

...