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26 Cards in this Set
- Front
- Back
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collection of cells that are permanently associated but in which little or no intergration of cell activites occrs
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colonial organism
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a temporary collection of cells that comes together for a period of time and then seperates
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aggregation
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an organism that consists of many cells that re permanently associated and intergrated in their activities
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multicellular organism
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process in which the cells of a multicellular individual become specialized during development
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differentiation
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a member of the kingdom protista
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protist
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slender filament tha ti part of the body of a multicellular fungus
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hypha
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in fungi, a wall-like division between cells within a hypha; wall that internally divides body segments in annelid; thick wall that divides the heart's atrium or ventricle into right left halves
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septum
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group of cells with a common structure and function
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tissue
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group of organs that function together to carry out a major activity of the body
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organ system
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type of plant tissue that contains specialized cells tha distribute water and other nutrients within the body of a plant
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vascular tissue
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animal that lacks a backbone
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invertebrate
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animal with a backbone
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vertebrate
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historic term for a heterotrophic protist
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protozoan
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historical term for photosynthetic prootests---not eaccepted by all scientists
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alga
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diploid zygote that results from the pairing of gametes of opposite mating types
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zygospore
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life cycle in which a haploid gamete-producing individual alternates iwth a diploid spore-producing individual
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alternation of generations
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spore capsule in which haploid spores are produced by meiosis
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sporangium
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a protist that moves using flexible cytoplasmic extensions
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amoeba
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extension of cytoplasm of the amoeba tha tenables it to move
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pseudopodium
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photosynthetic unicellular protist of the phylum Bacillariophyta
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diatom
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unicellular, heterotrophic portist th atis a member of the phylum Zoomastigina
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Zoomastigot
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member of the phylum Euglenophyta
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Euglenoid
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in cells, one hairlike structure in tightly packed rows tha are used for movement
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cilium
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protist of the phylum Myxomycota; characterized yb multinucleate amoeboid appearance
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plasmoid
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one of three stages of Plasmodium tha t lives in mosquitoes and is injected into humans
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sporozoite
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stage of the life cycle of the portist Plasmodium in which the protist divides rapidly in red blook cells and produces many more merozoites
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merozoite
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