Name the kingdoms of three kingdom system classification.

Explanation

### Step-by-Step Solution:

1. **Understanding the Three Kingdoms System**: The three kingdoms system of classification is a method used to categorize all living organisms into three distinct groups.

2. **Origin of the Classification**: This classification system was proposed by the scientist Ernest Haeckel in the year 1860.

3. **Identifying the Kingdoms**: The three kingdoms identified in this system are:
- **Kingdom Animalia**: This kingdom includes all animals.
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