A | B |
organism | a living thing |
cell | the basic unit of structure and function in an organism |
unicellular | single-celled organism |
multicellular | organisms that are composed of many cells |
adaptation | a behavior or physical characteristic that allows an organism to survive or reproduce in it's environment |
stimulus | a change in an organism/s surroundings that causes the organism to react |
response | an action or change in behavior |
development | the process of change that occurs during an organism's life to produce a more complex organism |
spontaneous generation | the mistaken idea that living things can arise from nonliving things |
autotroph | organisms that make their own food |
heterotroph | organisms that can not make their own food |
homeostasis | the maintenance of stable internal conditions |
classification | the process of grouping things based on their similarities |
taxonomy | the scientific study of how living things are classified |
binomial nomenclature | the naming system Linnaeus used |
genus | a classification grouping that contains similar, closely related organisms |
species | a group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce |