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Mrs. D - Protozoa

Kingdom Protista collective classification of unicellular eukaryotic organisms
Protozoologists zoologists specializing in protozoans
Classification based on: type of nuclei, mode of reproduction, mechanism of locomotion
Intracellular specialization division of labor within the cell
Pellicle regular arrangement of microtubules underlying the plasma membrane
Ectoplasm region beneath pellicle
Endoplasm inner cytoplasm
Somatic cells any cell that differentiates into tissues, organs, ect.
Reproductive cells responsible for reprocution only
Nutritional levels autotrophic, heterotrophic, saprotrophic
Asymmetry disproportional
Symmetry similarity of form or arrangement on either side of a dividing line or plane
Pseudopodia strands of cytoplasm extending from cell
Cilia short hair-like projections
Flagella long, whip-like structures
Direct cell movement body flexion
Endoskeleton internal skeleton
Exoskeleton external skeleton
Habitat aquatic, terrestrial, symbiotic
Binary Fission production of two cells of approxiamately the same size, equal cytoplasm division
Budding unequal cytoplasmic division
Multiple Fission large number of daughter cells formed from the division of a single protozoan
Schizogony another name for mutiple fission
Conjugation two cells fuse forming a single cell and exchange genetic information
Isogametes daughter cells formed from conjugation
Intermediate host harbors the immature stages of a parasite
Definitive host harbors the sexual stage of a parasite
Dinoflagellates golden-brown algae, contain chlorophyll and xanthophyll, marine
Gymnodinium Genus of dinoflagellates often responsible for Red Tide, marine
Euglena common freshwater Genus of flagellates, photosynthetic, 1 flagellum
Volvox common freshwater Genus of flagellates, colonial, 2 flagella
Trypanosoma Genus of flagellates, causes African Trypanosomiasis or "sleeping sickness"
Giardia Genus of flagellates, causes Giardiasis or "backpacker's disease"
Amoeba, Arcella, Entamoeba Genera, examples of Rhizopoda
Test another name for shell left behind by microscopic protozoans
Globigerina one Genus of Foraminiferida which accumulates on the ocean floor
Globigerina Ooze marine sediments composed mainly of Globigerina
Phylum Sarcomastigophora largest group, locomotion-flagella, pseudopodia, or both, macronucleus
Subphyla Mastigophora one or more flagella, asexual, binary fission
Class Phytomastigophorea autotrophic, 1 or 2 flagella
Class Zoomastigophorea heterotrophic or saprotrophic, one or more flagella, solitary or parasitic
Subphylum Sarcodina pseudopodia, naked or internal/external test, mostly free living, asexual, binary fission
Superclass Rhizopoda pseudopodia, free living or parasitic
Superclass Actinopoda planktonic, marine, calcium carbonate or silicate test
Order Foraminiferida mostly marine, planktonic or benthic, calcium carbonate test
Order Radiolaria marine, planktonic, siliceous test, oldest group
Phylum Ciliophora bears cilia, two types of nuclei, reproduce by fission, budding, gamates or conjugation
Macronucleus responsible for vegetative functions
Micronucleus responsible for reproduction
Paramecium, Stentor, Vorticella genera, examples of phylum ciliophora
Contractile vacuole used for osmoregulation in fresh water protists
Phylum Labyrinthomorpha small group living on algae, mostly marine or estaurine
Phylum Apicomplexa all species are parasitic, use direct cell movement
Plasmodium uses Anopheles mosquito as intermediate host, causes Malaria in definitive host (humans)
Toxoplasma causes Toxoplasmosis, pregnant women cautioned not to empty litterboxes of cats or eat raw meat
Phylum Myxozoa parasites of lower vertebrates, especially fish
Phylum Microspora parasites of invertebrates, especially arthropods
Phylum Ciliophora macronucleus and micronucleus; cilia;fission, budding, gametes, or conjugation; free, commensalistic, or parasitic
Phylum Labyrinthomorpha small group living on algae; mostly marine or estuarine
Phylum Apicomplexa cilia and flagella absent, use direct cell movement; endoparasitic in oysters and other invertebrates and vertebrates
Plasmodium Genus of ciliates responsible for Malaria
Toxoplasma Genus of ciliates; intestinal parasite primarily in cats
Phylum Myxozoa parasites of lower vertebrates like fish
Phylum Microspora parasites of invertebrates, especially arthropods
Paramecium Genus of ciliates; primary example
Created by: Mrs. D