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Protists Chapter 8, Section 1. What is a Protist? One or many celled eukaryotic organism that lives in moist or wet surroundings. Remember, a eukaryotic.

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Presentation on theme: "Protists Chapter 8, Section 1. What is a Protist? One or many celled eukaryotic organism that lives in moist or wet surroundings. Remember, a eukaryotic."— Presentation transcript:

1 Protists Chapter 8, Section 1

2 What is a Protist? One or many celled eukaryotic organism that lives in moist or wet surroundings. Remember, a eukaryotic cell does have membrane bound organelles and nucleus. Belong to the kingdom, Protista.

3 How do Protists Reproduce? Asexual Reproduction Requires only one parent. For single celled protists: Hereditary material is duplicated. Nucleus and cytoplasm divides. The two resulting cells are genetically identical. For multiple celled protists: Part of the parent organisms breaks off and grows into a new organism through cell division.

4 How do Protists Reproduce? Sexual Reproduction: Meiosis produces gametes. Gametes fuse to form genetically different offspring.

5 Classification of Protists Divided into three groups based on whether they share characteristics with plants, animals, or fungi.

6 Classification of Protists Plantlike Protists Contain chlorophyll. Make their own food through photosynthesis. Have cell walls. Do not have specialized ways to move from place to place. Include: Euglenoids, diatoms, dinoflagellates, green algae, red algae, brown algae.

7 Classification of Protists Animal-like protists: Have to capture other organisms for food. Do not have cell walls. Have specialized ways to move from place to place. Include: Amoebas, flagellates, ciliates, sporozoans

8 Classification of Protists Fungus like Protists Absorb food from their surroundings. Some have cell walls, some do not. Have specialized ways to move from place to place. Include: plasmoidial slime molds, cellular slime molds, water molds and downy mildew.


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