| A | B |
|---|
| alga | photosynthetic |
| alternation of generations | life cycle with both multicellular diploid form (sporophyte) and a multicellular haploid form (gametophyte) |
| amoeba | protist characterized by great flexibility and the presence of pseudopodia |
| apicomplexan | parasitic protozoan |
| blade | leaflike structure of a seaweed that provides most of the surface area for photosynthesis |
| brown alga | phosophyte most common type of seaweed |
| cellular slime mold | unicellular amoeboid cells and multicellular reproductive bodies |
| ciliate | protozoan that moves by means of cilia |
| cilium | short cellular appendage specialized for locomotion |
| conjugation | direct transfer of DNA between two cells that are temporarily joined |
| diatom | photosynthetic alga with a unique |
| dinoflagellate | photosynthetic alga with two flagella situated in perpendicular grooves in cellulose plates covering the cell |
| diplomonad | protist that has modified mitochondria |
| euglenid | protistan characterized by an anterior pocket from which one or two flagella emerg |
| food vacuole | membranous sac formed by phagocytosis |
| foraminiferan (foram) | protist with calcium carbonate shell and extends pseudopodia through pores in the shell |
| golden alga | alga with yellow and brown carotene and xanthophyll accessory pigments |
| green alga | unicellular |
| heteromorphic | sporophyte and gametophyte generations differ in morphology |
| holdfast | rootlike structure that anchors a seaweed |
| isomorphic | sporophytes and gametophytes look alike |
| kinetoplastid | single large mitochondrion associated with a kinetoplast that houses extranuclear DNA |
| lichen | symbiotic association between a fungus and a photosynthetic alga |
| mixotroph | organism that is capable of both photosynthesis and heterotrophy |
| oomycete | protist acquires nutrition mainly as a decomposer or plant parasite |
| parabasalid | protest with modified mitochondria |
| phytoplankton | algae and photosynthetic bacteria that drift passively in the pelagic zone |
| plankton | microscopic organisms that drift passively or swim weakly near the surface |
| plasmodial slime mold | amoeboid cells |
| plasmodium | single mass of cytoplasm containing many diploid nuclei |
| protist | eukaryote that is not a plant |
| protozoan | protist that lives primarily by ingesting food |
| pseudopodium | cellular extension of amoeboid cells used in moving and feedin |
| radiolarian | protest with a shell generally made of silica and pseudopodia that radiate from the central body |
| red alga | protist that contains the accessory pigment phycoerythrin |
| secondary endosymbiosis | evolution in which a heterotrophic eukaryotic cell engulfed a photosynthetic eukaryotic cell |
| sporozoite | infectious apicomplexan cell that spreads disease |
| stipe | stemlike structure of a seaweed |
| test | hardened shell of some protists |
| thallus | seaweed body that is plant-like but lacks true roots, stems, and leaves |
