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SLU GBIO107 Ch 18 part 3 of 3

Terms in this set (30)

protozoa
animal-like protists that are one-celled organisms that are more complex than bacteria
heterotrophic
The vast majority of protozoa are diverse _______________ protists, but there are several species are autotrophic.
flagella, cilia, or pseudopodia
Protozoa move by ________________
parasites
Some protozoa are free-living, and others are obligate ________________. Most are asexual, but sexual reproduction occurs in many species.
Flagellated protozoa, Amoeboid protozoa, Ciliates and Apicomplexans
Four groups of distantly related protozoa that are defined by locomotion and morphology. New molecular techniques are redefining the protozoa, but until the newer system of classification is better defined and more widely accepted, these four groups remain practical for general biology, education, and medicine
Flagellated protozoa
unicellular protists with one or more flagella; most are free-living in soil or water, but some are parasites
Amoeboid protozoa
unicellular protists that use pseudopodia in locomotion and feeding
Ciliates
unicellular protists with cilia covering the cell surface
Apicomplexans
unicellular nonmotile protists that are parasites of animals; cells have an apical complex at one end
algae
Euglenoids and dinoflaglaellates, which are groups already described with the ___________, are flagellates,
trypanosomes
whip-shaped parasitic flagellates that invade the bloodstream and brain. Insects transmit them to humans.
Trichonympha
A member of the protist family that lives in the intestines of termites.
Trichomonas
a parasite causing an STD
Trypanosoma
a parasite that causes African sleeping sickness, transmitted by Tsetse flies.
psuedopodia
The amoeboid protozoa produce cytoplasmic extensions called ________ from the the term meaning "false feet," which are important in locomotion and food capture via phagocytosis.
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