Fill in the following blanks with suitable words:
j) The change of caterpillar into an adult silk moth is called ………

Answer

**Step-by-Step Solution:**

1. **Identify the Subject**: The question asks about the transformation process of a caterpillar into an adult silk moth.

2. **Understand the Process**: The transformation from a caterpillar to an adult silk moth involves a significant change in form and structure.

3. **Recall the Term**: The specific term used to describe this transformation in many insects, including silk moths, is "metamorphosis".

4. **Fill in the Blank**: Therefore, the complete sentence would read: "The change of caterpillar into an adult silk moth is called **metamorphosis**."

**Final Answer**: The change of caterpillar into an adult silk moth is called **metamorphosis**.

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