charity watson multicellular algae (march 3, 2010)

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Three Domains of Life

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Aquatic animal

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MULTICELLULAR ALGAE

Green Aglae

found in fresh and salt water

green algae have the same photosynthetic pigments and cell walls as plants

Brown Algae

live in cool, shallow, coastal waters of temperate or arctic areas

all multicellular

accessory pigment fucoxanthin

combination of fucoxanthin and chlorophyll c gives most brown algaea dark, yellow-brown color

contain chlorophyll a and c

Subtopic

Red Algae

contain phycobilins

especially good at absorbing light, enabling red algae to live deeper in the ocean than many other photosynthetic algae

contain chlorophyll a

efficient in harvesting light energy

live at great depths in the ocean