Dead plant and animal remains are called .............

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question is asking for the term used to describe dead plant and animal remains.

2. **Identifying the Concept**: In ecology, dead plant and animal remains play a crucial role in nutrient cycling. They are essential for the process of decomposition.

3. **Recognizing the Term**: The term that specifically refers to dead plant and animal remains is "detritus."

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