6th Grade/ScienceChapter 3 Bacteria
Terms
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- aerobe
- an organism that uses oxygen for respiration
- anaerobe
- any organism that is able to live without oxygen
- fission
- simplest form of asexual reproduction in which two new cells are produced with genetic material identical to each other and identical to the previous cell
- flagella
- whiplike tails of many bacterial that help them move around in moist conditions
- antibiotic
- chemicals produced by some bacteria that are used to limit the growth of other bacteria
- endospore
- thick-walled, protective structure produced by a pathogen when conditions are unfavorable for survival
- nitrogen-fixing bacteria
- bacteria that convert nitrogen in the air into forms that can be used by plants and animals
- pathogen
- disease-producing organism
- saprophyte
- organism that feeds on dead or decaying tissues of other organisms.
- toxin
- poisonous substance produced by some pathogens
- vaccine
- preparation made from killed bacteria or damaged particles from bacterial cell walls that can jprevent some bacterial diseases