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35 Cards in this Set
- Front
- Back
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What type of "troph" are protozoa?
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Chemoheterotropsh
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Are protozoa unicellular or multicellular?
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Unicellular
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Where are protozoa found?
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Soil, water, and in animals
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What is the vegetative form of a protozoa?
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Trophozoite
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What is a trophozoite?
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Vegetative protozoa
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What type of asexual reproduction do protozoa exhibit?
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Fission, budding, or schizogony (multiple asexual fission)
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What is schizogony?
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Multiple asexual fission
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What type of sexual reproduction do protozoa exhibit?
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Conjugation
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What happens during conjugation?
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Two haploid nuclei fuse to produce a zygote
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What is produced from protozoa for protection during adverse environmental conditions ?
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Cyst
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What are 3 parts to a protozoa?
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1. Pellicle (thin layer supporting the cell membrane)
2. Cytostome (mouth) 3. Anal pore |
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What type of conjugation do protozoa do?
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Ciliate conjugation
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What are 6 medically important phlya of protozoa?
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1. Archaezoa
2. Microsporidia 3. Rhizopoda 4. Apicomplexa 5. Ciliophora 6. Euglenozoa |
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What doe Archaezoa lack and contain?
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Lack mitochondria & contain Flagella
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What type of protozoa are within the phylum Archaezoa?
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Trichomonas and Giardia lamblia
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What does Giardia lamblia cause?
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Giardiasis; diarrhea, belching, gas, and cramps
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What 2 things does the phylum Microsporidia lack?
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Mitochondria and microtubules (microfilaments).
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What 2 phyla of protozoa lack mitochondria?
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Archaezoa & Microsporidia
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What do protozoa within the phyla Microsporidia produce that causes diarrhea in AIDS patients?
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Microsporans
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Which phlya causes diarrhea in AIDS patients and what is the component that causes that?
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Microsporidia - Microsporans
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Rhizopoda are ___________; they include Entamoeba and Acanthamoeba.
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Amoeba
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What 2 protozoans are included in the Rhizopoda phylum?
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Entamoeba & Acanthamoeba
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Apicomplexa have __________ for penetrating host tissue.
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Apical organelles
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WHat 2 protozoans are included in the Apicomplexa phylum?
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Plasmodium and Cryptosporidium
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What phylum does the protozoa Cryptosporidium belong to and what does it cause?
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Apicomplexa - waterborne disease that causes gastrointestinal illness (diarrhea, nausea, cramps)
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How are Cryptosporidium usually transmitted?
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Waterbourne
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Which phyla moves by means of cilia?
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Ciliophora
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Which phylum is the only ciliated human parasite and what exact protozoa is this?
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Ciliophora - Balantidium coli
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What is Balantidium coli and which phylum does it belong to??
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The only ciliated human parasite - Ciliphora
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Which phylum moves by means of flagella?
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Euglenozoa
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What is the difference between the phyla of ciliophora and euglenozoa by means of structures?
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Ciliphora contains cilia and euglenozoa contains flagella
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True or False:
Euglenozoa are asexual |
True; lack sexual reproduction
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What protozoan causes "sleeping sickness"?
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Trypanosoma
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What is the technical term for "sleeping sickness", which may end up with a cardia arrest or comma?
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Trypanosoma
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How is Trypanosomiasis (sleeping sickness) transmitted?
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Tsetse fly
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