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| an organism that is capable of both photosynthesis and heterotrophy |
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| a process in eukaryotic evolution in which a heterotrophic eukaryotic cell engulfed a photosynthetic eukaryotic cell, which survived in a symbiotic relationship inside the heterotrophic cell. |
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| One of five subgroups of eukaryotes proposed in a current hypothesis of the evolutionary history of eukaryotes. ___ have unique cytoskelatal features, and some species have an "excavated" feeding groove on one side of the cell body. |
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| a protist that has modified mitochondria, two equal-sized nuclei, and multiple flagella. |
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| a protist, such as a trichomonad, with modified mitochondria. |
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| a protist, such as Euglena or its relatives, characterized by an anterior pocket from which one or two flagella emerge. |
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| a protist, such as trypanosome, that has a single large mitochondrion that houses an organized mass of DNA. |
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| a protist, such as Euglena or its relatives, characterized by an anterior pocket from which one or two flagella emerge |
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| one of five supergroups of eukaryotews proposed in a current hypothesis of the evolutionary history of eukaryotes. ___ may have originated by secondary endosymbiosis and include two large protist clades, the alveolates and the stramenopiles. |
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| a protest with membrane-bounded sacs (alveoli)located just under the plasma membrane |
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| member of a group of mostly unicellular photosynthetic algae with two flagella situated in perpendicular grooves in cellulose plates covering the cell |
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| a protist in a clade that includes many species that parasitize animals. Some ___ cause human disease. |
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| a type of protist that moves by means of cilia |
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| a protist in which a "hairy" flagellum (one covered with fine, hairlike projections) is paired with a shorter, smooth flagellum. |
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| a biflagellated, photosynthetic protist named for its color, which results from its yellow and brown carotenoids. |
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| a multicellular, photosynthetic protist with a characteristic brown or olive color that results from carotenoids in its plastids. Most ___ are marine, and some have a plantlike body (thallus) |
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| a seaweed body that is plantlike, consisting of a holdfast, stipe, and blades, yet it lacks true roots, stems and leaves |
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| a rootlike structure that anchors a seaweed |
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| a stemlike structure of a seaweed |
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| a leaflike structure of a seaweed that provides most of the surface area for photosynthesis. |
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| alteration of generations |
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| a life cycle in which there is both a multicellular diploid form, the sporophyte, and a multicellular haploid form, the gametophyte; characteristic of plants and some algae. |
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| referring to a condition in the life cycle of plants and certain algae in which the sporophyte and gametophyte generations differ in morphology. |
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| referring to alternating generations in plants and certain algae in which the sporophytes and gametophytes look alike, although they differ in chromosome number. |
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| a protist with flagellated cells, such as a water mold, white rust, or downy mildew, that acquires nutrition mainly as a decomposer or plant parasite |
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| an aquatic protist that secretes a hardened shell containing calcium carbonate and extends pseudopodia through pores in the shell |
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| a protist, usually marine, with a shell generally made of silica and pseudopodia that radiate from the central body. |
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| one of five supergroups of eukaryotes proposed in a current hypothesis of the evolutionary history of eukaryotes; a morphologically diverse protist clade that is defined by DNA similarities. |
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| a protist grade characterized by the presence of pseudopodia |
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| a cellular extension of amoeboid cells used in moving and feeding |
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| one of five supergroups of eukaryotes proposed in a current hypothesis of the evolutionary history of eukaryotes. this monophyletic group, which includes red algae, green algae, and land plants, descended from an ancient protist ancestor that engulfed a cayanobacterium. |
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| a photosynthetic protist, named for its color, which results from a red pigment that masks the green of chlorophyll. Most ___ are multicellular and marine. |
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| a photosynthetic protist, named fro green cholorplasts that are similar in structure and pigment composition tot hose of land plants. ___ are a paraphyletic group, some of whose members are more closely related to land plants than they are to other ___. |
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| one of the five supergroups of eukarytoes proposed in a current hypothesis of the evolutionary history of eukaryotes. this clade, which is supported by studies of myosin proteins and DNA, consist of amobozoans and opisthokonts. |
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| a protist in a clade that includes many species with lobe or tube shaped pseudopodia |
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| a type of protist that has amoboid cells, flagellated cells, and a plasmodial feeding stage in its life cycle. |
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| a single mass of cytoplasm containing many diploid nuclei that forms during the life cycle of some slime molds |
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| a type of protist that has unicellular amoboid cells and aggregated reproductive bodies in its life cycle |
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| member of the diverse clade ___, organisms that descended from an ancestor with a posterior flagellum, including fungi, animals and certain protists |
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| an organism that produces organic compounds from CO2 by harnessing light energy (in photosynthesis) or by oxidizing inorganic chemicals (in chemosythetic reactions carried out by some prokaryotes) |
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