| A | B |
|---|
| euglenaphyta/euglenas | chlorophyll one-celled algae moves with flagellum eyespot detects light |
| chrysophyta/diatoms | golden brown one-celled body made of two halves silica in cell walls |
| pyrrophyta/dinoflagellates | red one-celled two flagella spins casuses red tide |
| chlorophyta/green algae | chlorophyll one- and many-celled most live in water lives in or on other organisms |
| rhodophyta/red algae | red many-celled carbohydrate causes creamy texture |
| phaeophyta/brown algae | brown many-celled most live in salt water important food source in aquatic environment |
