Plants, bacteria, fungi and animals whose genes have been altered by manipulation are called___________.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question:**
The question asks for the term used to describe plants, bacteria, fungi, and animals whose genes have been altered through manipulation.

2. **Identifying the Key Concept:**
The key concept here is genetic manipulation, which refers to the alteration of an organism's DNA to achieve desired traits.

3. **Defining the Term:**
The organisms that have undergone genetic manipulation are commonly referred to as "Genetically Modified Organisms."

4. **Abbreviation:**
The abbreviation for Genetically Modified Organisms is "GMO."

5. **Final Answer:**
Therefore, the answer to the question is: **Genetically Modified Organisms (GMO)**.

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