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25 Cards in this Set
- Front
- Back
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single celled microscopic organsims that are noted for their ability to move
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protozoa
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membrane bound cahmbers that contain digestive enzymes
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food vacuoles
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microscopic animal organsims that drift around in bodies of water worldwide; represent a basic level of feeding relationships
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zooplankton
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a form of cell division that results in a number of identical individuals
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multiple fission
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a resistant thick walled structure that encloses and protects a dormant organism
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cyst
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an organelle in protists that expels water
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contractile vacuole
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shell
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test
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a sometimes fatal disease caused by an amoeba that enters the body in contaminated food or water
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amenic dysentery
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a disease that is transmitted by an insect called the "kissing bug""
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chagas' diseasee
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an illness characterized by severe diarrhea and intestinal cramps
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giardiasis
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a disease that causes few or no symptoms in adults but is fatal to fetuses and newborns
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toxoplasmosis
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a very seriouse disease characterized by severe chills, fever, sweating, fatigue and great thirst
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malaria
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What are protists?
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collection of diverse organisms
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Are protists prokaryotic or eukaryotic?
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eukaryotic
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What kingdom do protists belong to?
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Kingdom Protista
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ARe most protists unicellular or multicellular?
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unicellular
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Are most protists autotrophic or heterotrophic?
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heterotrophic
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____ ____ are membrane bound chambers that contain digestive enzymes .
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Food Vacuoles
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What are protozoans?
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Single celled microscopic organisms that are noted for idependent movement
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How are protozoans classified?
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by the way they move
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Where can protozoans be found?
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Freshwater , marine, and moist terrestrial habitats
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Protozoans make up part of the ______ which are a poplutation of organisms that constitutes the primary sources of energy in aquatic ecosystems.
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zooplankton
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All protozoans reproduce by ___ ___.
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binary fission
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What is multiple fission?
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a form of cell division that results in a number of identical individuals
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Some species of protozoans reproduce sexually by ___.
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conjugation.
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