The nonfunctional structures in the body of an organism is called________

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the term used to describe nonfunctional structures in the body of an organism.

2. **Identifying the Concept**: In biology, there are specific terms used to describe structures that have lost their original function through evolution.

3. **Defining the Term**: The term that describes these nonfunctional structures is "vestigial structures" or "vestigial organs."

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