Please enable JavaScript.

Coggle requires JavaScript to display documents.

Algae:, Deema alsalman Sara alfaris Anoud alhamidi 9-C, dinoflagellates…

- - - - Color comes from secondary pigment called fucoxanthin.
        
        More than 1500 species live along rocky coastlines.
        
        includes all species of kelp
        
        More than 1500 species live along rocky coastlines.
  - - - Can be unicellular, multicellular, or colonial
        
        Have cell walls and store food as carbohydrates
        
        Most freshwater algae species such as Spirogyra are classified in phylum chlorophyta
- - - - They store there food as oil
        
        They have cell walls composed of silica
        
        Diatoms can reproduce both sexually and asexually
        
        Diatoms reproduce sexually because repeated asexual reproduction gradually reduces the size of the diatoms. Sexual reproduction restores it.
- - - - Most euglenoids photosynthesize, but do not have a cell wall
        
        they can also be heterotrophs
- - - - Most chrysophytes are unicellular, but some are colonial
        
        A colony is a group of cells that join together and form a close association
- - - - The toxin is ingested by shellfish, which are then ingested by humans.
        
        The ecosystem is affected through reduced light penetration, toxin levels, and reduction in primary producers to the food web.