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Science test study
for test thursday may 14
Term | Definition |
---|---|
Organism | a living thing |
cell | basic unit of structure and function in a living thing |
unicellular | a single celled organism |
multicellular | a multi celled organism |
stimulus | a change in an organisms surroundings that causes that organism to react |
response | an action or change in behavior |
development | the process of change that occurs in an organisms lifetime that produces a more complex organism |
spontaneous generation | the incorrect idea that icing things can arise from nonliving materials |
controlled experiment | when a scientist carries out two identical tests in which one of the tests, there is a changed factor, this is called the manipulated variable. |
autotroph | an animal that can make its own food |
heterotroph | an animal that cannot make its own food |
homeostasis | the maintenance of stable internal conditions |
classification | process of grouping things based on their similarities |
taxonomy | the scientific study of how organisms are classified |
binomial nomenclature | the naming system of Linnaeus, a two part name which consists of the genus and species |
genus | a classification of organisms that are closely related that can mate and reproduce, but offspring cannot mate and reproduce (like a mule) |
species | a classification of only one type of animal that can mate and reproduce and so can its offspring |
evolution | the process by which a species gradually changes over time |