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35 Cards in this Set
- Front
- Back
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an organ that is covered by pigment in some invertebrates and protozoa and that detects changes in the quantity and quality of light
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eyespot
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microscopic animal organisms that drift in bodies of water worldwide; represent a basic level of feeding relationships
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zooplankton
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an organism that belongs to the kingdom of mostly one-celled eukaryotic organisms that are different from plants, animals, bacteria, and fungi
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protist
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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 single-celled protist that can be aquatic or parasitic, that has organelles enclosed by a membrane, and that can move independently; examples include amoebas and paramecia
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protozoa
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in prokaryotes, algae, and fungi, a type of sexual reproduction in which two cells join temporarily to recombine nuclear material
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conjugation
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a compartment that is surrounded by a membrane in the cytoplasm of a protozoan and that contains food particles
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food vacuole
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a cavity or cell that contains embryos or bacteria in a resting stage
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cyst
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in protozoans, an organelle that accumulates water and then releases it periodically to maintain osmotic pressure
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contractile vacuole
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an infectious tropical disease caused by a protozoan and transmitted to humans by a mosquito; it produces high fevers, chills, sweating, and anemia
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malaria
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in protozoans, an organelle that accumulates water and then releases it periodically to maintain osmotic pressure
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contractile vacuole
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an infectious tropical disease caused by a protozoan and transmitted to humans by a mosquito; it produces high fevers, chills, sweating, and anemia
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malaria
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inner portion of the cytoplasm
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endoplasm
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a cell that is not differentiated and that develops into a gamete
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gametocyte
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a groove or indentation in the protoplasm of certain protozoans that has a function in the intake of food; forms food vacuoles
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gullet
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new spores produced in the the liver of a person infected with malarai
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merozoites
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the smaller, reproductive nucleus found in some protozoans
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micronucleus
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between the oral groove and the gullet in the paramecium
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mouth pore
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a disease that is caused by a sporozoan and that can cause serious harm to fetuses and newborns and flulike symptoms in adults
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toxoplasmosis
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a disease that is caused by an amoeba and that causes inflammation of the intestine
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amoebic dysentery
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a member of a group of marine protozoans that develop a siliceous skeleton that radiates from a spherical cell body
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radiolarian
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a depressed region around the mouth of some ciliate protozoans, such as Paramecium
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oral groove
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a skeletal covering that some invertebrates secrete or build
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test
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in protozoans, an opening from which wastes are eliminated
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anal pore
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a protective envelope of nonliving material that covers many protozoans
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pellicle
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African sleeping sickness
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trypanosomiosis
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the flow of cytoplasm in larger cells to facilitate the dispersion of cellular components
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cytoplasmic streaming
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a sporozoan that has been released from the oocyst and is ready to penetrate a new host cell
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sporozoite
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an order of sarcodine protozoans that have shells and are found in oceans
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foraminiferan
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the movement of a cell by the formation of pseudopods
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ameboid movement
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in many protozoans, the larger of the two types of cell nuclei
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macronucleus
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an illness caused by the parasitic protozoan Giardia and characterized by diarrhea
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giardiasis
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the outer portion of the cytoplasm that is located directly inside the cell membrane and that does not usually have organelles
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ectoplsasm
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a retractable, temporary cytoplasmic extension that functions in food ingestion and movement in certain amoeboid cells
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pseudopodium
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a disease that is caused by trypanosomes and is characterized by a swollen face on only one side, fever, and swollen spleen and liver
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Chagas' disease
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