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8 Cards in this Set
- Front
- Back
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What is a Protist?
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Any organisms that are not prokaryotes, plants, animals, or fungi.
Eukaryotes that are not plants, fungi, or animals. There are 200,000 members of the kingdom Protista |
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Evolution of Protists
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Protists appeared approximately 1.5 billion years ago.
May have evolved through the process of endosymbiosis, or the combination of several cells (Lynn Margulis) |
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Classification of Protists
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No universally accepted way to classify Protists; it has been proposed that they be divided into several kingdoms
Traditionally they have been classified as to their mode of nutrition; Animal-like, Plant-like, and fungi-like |
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Animallike Protists
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ZooFlagellates, Sarcodines, Ciliates, Sporozoans.
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Plantlike Protists: Unicellular Algae
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Euglenophytes, Dinoflagellates, Chrysophytes, Diatoms
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Plantlike Protists: Red, Brown, and Green Algae
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Red Algae, Brown Algae, Green Algae, Colonial Green Algae, Multicelluar Green Algae
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Fungus-like Protists
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Slime Molds, Water Molds
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Human Uses of Algae
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Many algae are edible and are rich in minerals and vitamins.
The algae, Porphyra, is used in Japan to wrap up sushi and sushimi Some algae have medical uses such as treatment of stomach. ulcers, high blood pressure, and arthritis. Compounds called alginates are used in foods and cosmetics to make the produce smooth and creamy; you have eaten these in ice cream, salad dressings, puddings, and candy bars! Alginates are also used in non-food items such as plastics, waxes, paints, and lubricants. |
