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Kingdom Protista
- General Characteristics:
- All single-celled eukaryotes
- Primarily aquatic
- Serve as a link between kingdoms Plantae, Animalia, and Fungi
- Cell structure:
- Well-defined nucleus
- Membrane-bound organelles
- Movement: Some possess flagella or cilia
- Reproduction: Asexual and sexual (cell fusion and zygote formation)
- Boundaries:
- Not well-defined; overlap with other kingdoms (especially Plantae)
- What one biologist considers a protist, another might classify as a plant.
- Major Groups included in Protista:
- Chrysophytes
- Dinoflagellates
- Euglenoids
- Slime molds
- Protozoans
