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Science V.

science vocab

Virus A tiny non-living particle that invades and then reproduces inside a living cell.
Host The organism that a parasite or virus lives in or on.
Parasite The organism that benefits by living on or in a host in a parasitism interaction.
Bacteriophage A virus that infects bacteria.
Bacteria Single-celled organisms that lack a nucleus; prokaryotes.
Flagellum a long whip-like structure that helps a cell to move
asexual reproduction a reproductive process that involves only one parent and produces offspring that are identical to the parent
sexual reproduction reproductive process that involves two parents that combine their genetic material to produce a new organism, which differs from both parents
conjugation the process in which a unicellular organism transfers some of its genetic material to another unicellular organism
endospore a small, rounded, thick-walled, resting cell that forms inside a bacterial cell
pasteurization a process of heating food to a temperature that is high enough to kill most harmful bacteria without changing the taste of the food
decomposer an organism that breaks down chemicals from wastes and dead organisms, and returns important materials to the soil and water
protist a eukaryotic organism that cannot be classified as an animal, a plant, or a fungus
protozoan an animal-like protist
pseudopod a "false foot" or temporary bulge of cytoplasm used for feeding and movement in some protozoans
contractile vacuole the cell structure that collects extra water from the cytoplasm and then expels it from the cell
cilia the hairlike projections on the outside of cells that move in a wavelike manner
symbiosis a close relationship between two organisms of different species that benefits at least one of the organisms
mutualism a close relationship between two organisms of two species in which both organisms benefit.
algae plantlike protists
fungi a eukaryotic organism that has cell walls, uses spores to reproduce, and is a heterotroph that feeds by absorbing its food
hyphae the branching, threadlike tubes that make up the bodies of multicellular fungi
fruiting body the reproductive structure of a fungus that contains many hyphae and produces spores
budding a form of asexual reproduction of yeast in which a new cell grows out of the body of a parent
lichen the combination of a fungus and either an alga or an autotrophic bacterium that live together in a mutualistic relationship
binary fission a form of asexual reproduction in which one cell divides to form two identical cells.
spore a tiny cell that is able to grow into a new organism.
Created by: mufi