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Algae

Yes your quiz over viruses, bacteria and protists is today. Study, I will answer questions before you take it. Algae. Characteristics of Algae. Kingdom: Protista Classified by: Color(pigment) Algae form the base of the aquatic food chain as: Phytoplankton

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Algae

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  1. Yes your quiz over viruses, bacteria and protists is today. Study, I will answer questions before you take it.

  2. Algae

  3. Characteristics of Algae. • Kingdom: Protista • Classified by: Color(pigment) • Algae form the base of the aquatic food chain as:Phytoplankton • Algae produces much of the Earth’s oxygen • Algal blooms (masses of algae) may indicate: • Increase in wastes in water • Deplete water of nutrients

  4. Human Uses of Algae • 1. Major food source for life in oceans • 2. Medications for: • Ulcers • High blood pressure • Arthritis • 3. Used to wrap fish, rice, & vegetables for sushi • 4. Ice cream contains algin, a thickener found in brown algae • 5. Chemicals from algae also used in plastic production, deodorants, paints also used to grow bacteria on in labs

  5. Types of Algae • Dinoflagellates • Diatoms-marine autotrophs, glassy shells • Red Algae-aka seaweed • Brown Algae-aka kelp • Green Algae

  6. 5. Green Algae • Contain chloroplasts which are filled with chlorophyll • Undergo photosynthesis • Usually found in freshwater near the surface • Some have special adaptations for floating called = Air Bladders • Wide variety of forms: • Filaments • Spherical • Colonies

  7. spirogyra ulothrix scenedesmus Chlorella chlamydomonas

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