1. Bacteria: Prokaryotes, lack a nucleus and membrane-bound organelles.
2. Archaea: Prokaryotes, distinct from bacteria in their genetic makeup and cell structure.
3. Protista: Eukaryotes, diverse group including protozoa, algae, and slime molds.
4. Fungi: Eukaryotes, include yeasts, molds, and mushrooms, absorb nutrients from their surroundings.
5. Plantae: Eukaryotes, multicellular organisms with cell walls containing cellulose, capable of photosynthesis.
6. Animalia: Eukaryotes, multicellular organisms that ingest food, lack cell walls, and are capable of movement.