In the Whittaker five-kingdom system, organisms in the kingdom Protista are .............. or .............. eukaryotes.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Whittaker Five-Kingdom System**: The Whittaker five-kingdom system classifies living organisms into five distinct kingdoms based on various criteria such as cell structure, body organization, mode of nutrition, and lifestyle.

2. **Identifying the Kingdom Protista**: Within this classification, the kingdom Protista is one of the five kingdoms. It includes a diverse group of organisms that are primarily eukaryotic.

3. **Characteristics of Protista**: Organisms in the kingdom Protista are characterized by their cellular structure. They can be either unicellular (single-celled) or colonial (living in groups or colonies).

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