Write two characters and two examples of the kingdom Protista.

Explanation

**Step-by-Step Solution:**

**Step 1: Identify the Kingdom Protista**
- The kingdom Protista is a diverse group of eukaryotic organisms that are primarily unicellular, although some can form colonies.

**Step 2: List Two Characteristics of Protista**
1. **Eukaryotic Structure**: Organisms in this kingdom are eukaryotic, meaning they have a defined nucleus and organelles.
2. **Nutritional Modes**: Protists can be autotrophic (producing their own food through photosynthesis), heterotrophic (obtaining food by consuming other organisms), or mixotrophic (capable of both).
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