prokaryote
an organism that consists of a single cell that does not have nucleus
Bacilli
are rod shaped.they have a large surface area,which helps them take in nutrients.but a large surface area can cause them to dry out easily.
Cocci
are spherical.they do not dry out as quickly as rod-shaped bacteria
Spirilla
are long and spiral shaped.they use flagella at both ends to move like a corkscrew.
Binary Fission
a form of asexual reproduction in single-celled organism by which one cell divides into two cells of the same size
Endospore
a thick-walled protective spore that forms inside a bacterial cell and resists harsh conditions
Nitrogen fixation
bacteria in the soil and in nodules on some roots change the nitrogen into a form plants can use
bioremediation
the biological treatment of hazardous waste by living organisms
antibiotic
medicine used to kill bacteria and other microorganisms
pathogenic bacteria
bacteria that cause disease
virus
a microscopic particle that gets inside a cell and often destroys the cell
host
an organisms from which a parasite takes food or shelter
