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Chapter 1 Vocabulary
Term | Definition |
---|---|
scientific methods | procedures used to solve problems and answer questios that include stating the problem, gathering information, forming a hypothesis, testing the hypothesis with an experiment, analyzing data, and drawing conclusions |
hypothesis | prediction that can be tested |
control | standard to which the outcome of a test is compared |
variable | something in an experiment that can change |
theory | explanation of things or events based on scientific knowledge resulting from many observations and experiments |
law | statement about how things work in nature that seems to be true consistently |
organism | any living thing |
cell | smallest unit of an organism that can carry on life functions |
homeostasis | regulation of an organism's internal, life-maintaining conditions |
spontaneous generation | idea that living things come from nonliving things |
biogenesis | theory that living things come only from other living things |
phylogeny | evolutionary history of an organism; used today to group organisms into six kindgoms |
kingdom | first and largest category used to classify organisms |
binomial nomenclature | two-word naming system that gives all organisms their scientific name |
genus | first word of the two-word scientific name used to identify a group of similar species |