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18 Cards in this Set
- Front
- Back
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What is a protist?
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-Eukaryote-have a nucleus
-some are autoptrophs, some heterotrophs -mostly unicellular |
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Discribe a animal-like protists.
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-Heterotrophs
-most have means of locomotion -a.k.a protozoans -uses psuedopods (false feet) |
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What are psuedopods used for?
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Used for eating and moving.
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Define-contractile valcuole
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an organelle that regulates the amount of water
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Define cilia
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many hair-like structures that surround the cell
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Flagellates are also known as..
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zooflagellates
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What are zooflagelletes?
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They live in intestines of termites (lives in orginisms in general)
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What is symbiosis?
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interatction between two species- one organism is benifited
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What is mutualism?
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When both partners benefit from living with each other, when both species are benefited- they dont get harmed.
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-When a person drinks water containing _1__, zooflagellates attaches to the persons intestine, where they feed and reproduce.
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1)Giardia
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Define gardia.
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-found in strems, rivers, lakes
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Sporozoans are..
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They are charaterized more by the way they live then by the way they move.
-they are parasites that feed on the cells & body fluids of their hosts |
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Define plasmodium.
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Sporozoan that causes mararia (serious desease of blood)
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___1__ have cell walls and use spores to reproduce and are heterotrophs.
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1) Fungus-like protists
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What is a spore?
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Tiny cell that is able to grow into a new organism
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List some examples of fungus-like protist.
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-water molds, downy mildews, slime molds
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Discribe slime molds.
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-live in moist soils and live on decaying plants and trees
-move in a ameba like way by forming psuedopods/feed on bacteria and micro-organisms Grow out of mass and releases spores, which develop into a new generation of slime molds |
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When single-celled algae come together and form colonies, some cells are specilized to preform functions like reproduction
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true
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