• Cell Type: Eukaryotic

• Cellularity: Multicellular

• Nutrition: Photosynthetic (autotrophic)

• Nucleus: Present with nuclear membrane

• Ancestry: Evolved from terrestrial ancestors (some became aquatic)

• Role: Provide oxygen and are the main food source for land animals

• Closest Relatives: Green algae (charophytes)

• Exclusion: Does not include photosynthetic protists (algae)