- Endosymbiosis played a role in the origin of the eukaryotic cell.
- The Protists are largely unicellular, but are quite varied in structure and life cycle.
- Classification of protists has not been determined, but they can be grouped according to nutrition.
| - What characteristics are not present in Protists that prevents them from being classified in the other eukaryotic kingdoms?
Answer - What characteristic does your text use to group Protists into phyla?
Answer
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Essential Study Partner
Summaries of major points:- Protists are classified in the domain Eukarya and the kingdom Protista
- The endosymbiotic hypothesis explains how the eukaryotic cells arose
- Ecological importance
- Classification of Protists
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- The green algae, the red algae, and the brown algae are protists. All of these have chlorophyll a and photosynthesize.
- Diatoms are unicellular with a two-piece construction of the cell wall.
- The dinoflagellates, the euglenoids, and the zooflagellates all have flagella.
- Diatoms and dinoflagellates are important producers in marine ecosystems.
- The amoeboids, the foraminiferans, and the actinopods use pseudopods for locomotion.
- The sporozoans are nonmotile spore-forming parasites that cause significant human illnesses.
- Slime molds include the plasmodial and the cellular slime molds. Water molds are also protists. Both have ecological importance.
| - Lichens are an association of ___________ and ______________.
Answer - Distinguish between the arrangement of cells in filamentous and colonial green algae.
Answer - Large, complex green, red, and brown algae are called ______________.
Answer - Protists reproduce both asexually and sexually. Under what general environmental conditions is each type of reproduction likely?
Answer - Heterotrophic, colorless Protists that have flagella and live symbiotically or as parasites are called what?
Answer - What are phytoplankton and zooplankton?
Answer - Which phylum of Protists contains the greatest number of species?
Answer
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Essential Study Partner
Summaries of major points:- The algae
- The green algae
- Flagellated green algae
- Filamentous green algae
- Multicellular green algae
- Colonial green algae
- Red algae
- Brown algae
- The diatoms
- The flagellates
- Euglenoids
- Ameboids
- The zooflagellates
- The ciliates
- The sporozoans
- Slime molds
- Water molds
Art Review
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