classification kingdom protista. algae’s / seaweeds multicellular, plant-like protists autotrophic...
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Classification
Kingdom Protista
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Algae’s / Seaweeds
• Multicellular, Plant-Like Protists• Autotrophic • The algae’s / seaweeds
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Algae’s / Seaweeds
• Division Chlorophyta: Green Algae’s– Evidence that land
plants evolved from green algae's• Contain both
chlorophyll a & b, as do land plants
• Cell walls made of cellulose, like those of land plants
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Halophila ovalis
Ulva lactuca
Tetraselmis
Volvox Spyrogyra
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Algae’s / Seaweeds
• Division Rhodophyta: Red Algae’s– Phycoerythrins: red in
color, allowing them to live much deeper than other algae's
– Carageenan: emulsifier used in cosmetics, paints, & ice cream
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Algae’s / Seaweeds
• Division Rhodophyta: Red Algae’s– Secrete calcium
carbonate skeleton that holds coral reefs together
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Algae’s / Seaweeds
• Division Phaeophyta: Brown Algae’s
– Fucoxanthin: brown algae vary in color, from olive green to dark brown because of this pigment
– Algin: Thickens & emulsifies dairy & baking goods
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Algae’s / Seaweeds
• Division Phaeophyta: Brown Algae’s– Kelp Forests forms the foundation of many
temperate coastal ecosystems
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Algae’s / Seaweeds
• Division Phaeophyta: Brown Algae’s
– Sargassum form huge drifting mats