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Protists
Question | Answer |
---|---|
What are some characteristics of protists? | Eukaryotic Diverse Unicellular Classified by nutrition Larger than prokaryotes |
What are the different types of protists? | Animal-Like Protists/Protozoans Fungus-Like Protists Plant-Like Protists |
What are the characteristics of Animal-like protists? | eat other organisms |
What are the characteristics of Fungus-like protists? | absorb nutrients from other live/dead organisms |
What are the characteristics of plant-like protists | photosynthesize |
What are the different types of animal-like protists? | Cercozoans/Phylum Cercozoa Ciliates/Phylum Ciliophora Flagellates/Phylum Zoomastigina Sporozoans: Phylum Sporozoa |
What are the characteristics of Ciliates? | have cilia covering entire body used for locomotion and obtaining food ie. paramecium |
What are the characteristics of flagellates? | have a hard protective covering have 1/1+ flagella for movement free living/mutual relations/parasitic ie. in digestive tract of termites to digest cellulose |
What are the characteristics of sporozoans? | parasites of animals ie. malaria |
What are the different types of fungus-like protists? | plasmodial slime moulds cellular slime moulds water moulds |
What are the characteristics of plasmodial slime mould? | tiny slug like visible to unaided eye engulfs small particles into their cytoplasm many nuclei |
What are the characteristics of cellular slime mould? | engulfs small particles releases a chemical causing them to gather into a pseudoplasmodium when food is scarce |
What are the characteristics of water moulds? | filamentous live on dead organic matter Extends threads into host's tissues, releases enzymes and absorbing nutrients |
What are the types of plant-like protists? | diatoms dinoflagellates euglenoids |
What are the characteristics of diatoms? | phytoplankton photosynthetic unicellular diverse abundant rigid cell walls with an outer layer of silica food source for other organisms |
what are the characteristics of dinoflagellates? | 2 flagella at right angles to each other moves with a twirling motion reproduces quickly in favourable conditions causing algal bloom may have a mutual relationship with corals giving it its colour |
What are the impacts of algal bloom? | causes red tides produces a toxin that accumulates in plankton eating shell fish may be fatal to humans |
What are the characteristics of euglenoids? | found in shallow fresh water have flagella autotrophs in light, heterotrophs in dark light-sensitive organs |
What are the characteristics of Cercozoans? | No cell wall has pseudopods for locomotion and food free living or parasitic |