Question | Answer |
a tiny nonliving partical that invades and then reproduces inside a living cell | virus |
the organism that a parasite or virus lives in or on | host |
the organism that benefits by living on or in a host in a parasitism interaction | parasites |
a virus that infects bacteria | bacteriophage |
a substance used in a vaccination that consists of weakened or killed pathogens that can triger the immune system into action | vaccine |
single-celled oraganism that lacks a nucleus | bacteria |
a long whiplike structure that help a cell to move | flagellum |
a form of asexual reproduction in witch one cell divides to form two identical cells | binary fission |
a reproductive process that involves olny one parent and produces offspring that are identical to the parent | asexual reproduction |
a reproductive process that involves two parents that combine their geneitc material to produce a new organism witch differs from both parents | sexual reproduction |
the process in witch a unicellular organism transfers some of its genitic material to another unicellular organism | conjugation |
a small rounded thick-walled resting cell that forms inside a bacteril cell | endospore |
the process of heating food at a tempprerature that is high enought to kill most harmful bacteria without changing the taste of the food | pasteurization |
an organism that breaks down chemicals from wastes and dead organisms and returns important materials to the soil and water | decompose |
a eukaryotic organism that cannot be classified as an animal plant or fungus | protist |
an animal-like protist | protozoan |
a falsefoot or temporaroy bulge of cytoplasm used for feeding and movement in some protozoan | pseudopod |
the cell structure that collects extra water from the cytoplasm and then expels it from the cell | contractile vascole |
the hairlike projections on the outside of cells that move in a wavelike manner | cilia |
a close relationship between two organisms of different species that benefits at least one of the organisms | symbiosis |
a close relationship between organisms of two species in witch both organisms benefit | mutualism |
plantlike protists | algae |
a tiny cell that is able to grow into a new organism | spore |
a eukaryote organism that has cell walls uses spores to reproducce and is a heterotroph that feeds by absorbing its food | fungi |
the branching therdlike tubes that make up the bodies of multicellular fungi | hyphae |
the reproductive structure of a fungus that contians many hyphae and produces spores | fruiting body |
a form of asexual reproduction of yeast in which a new cell grows out of the body of a parent. | budding |
The combination of a fungis and either an alga or an autographic bacterium that live together in a mutualistic relationship. | lichen |