1. Algae Jamila, Furquan, Christine

2. Kelp / Brown Algae Most are marine, intertidal and subtidal Thallus Holdfast Stipe Blades Biochemical adaptations: cell walls of cellulose and gel-forming polysaccharides, incorporation of calcium carbonate in cell walls Laminaria in soup Porphyra to wrap sushi Marine algae rich in iodine, but indigestible Thickeners Kelp Forest

3. Red Algae Red pigment Phycoerythrin Depth of up to 180 m Food Irish Moss Nori Agardhiella tenera

4. Green Algae 7000 species- unicellular, multicellular, colonial Euglena / volvox Aquatic, found in freshwater and marine habitats. Some terrestrial Common ancestor between plants and algae Asexual / Sexual reproductive stages -asexual: fission, budding, zoospores, fragmentation -sexual: biflagellated gametes, conjugation Seaweed -Thallus, holdfast, stipe Alternation of Generations -Gametophyte / Sporophyte -Heteromorphic /Isomorphic Volvox

5. YouTube Video Green Algae http://www.youtube.com/watch?v=wzuVYAcnRb0 &feature=relatedor http://www.youtube.com/watch?v=wzuVYAcnRb0 &feature=relatedor

6. Key Words Brown Algae Thallus Holdfast Stipe Red Algae Phycoerythrin Alternation of Generations Green algae Volvox Euglena Alternation of generations Thallus / holdfast / stipe Red algae Green algae