The document discusses various groups of protists:
- Protists exhibit diversity and complexity as unicellular or multicellular eukaryotes, including autotrophs and heterotrophs found in aquatic environments.
- They reproduce asexually and sexually, forming spores and cysts during stressful environmental conditions.
- Major groups discussed include green algae, red algae, brown algae, diatoms, dinoflagellates, euglenoids, zooflagellates, ciliates, and sporozoans.