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intro. living things
| Term | Definition |
|---|---|
| organism | a living thing |
| cell | that basic unit of structure an d function in living things |
| unicellar | made of a single cell |
| multicellular | consisting of many cells |
| metabolism | the combination of chemical reactions through which an organism builds up or breaks down materials |
| stimulus | any change or signal In the environment that can make an organism react in some way |
| response | an action or change in behavior that occurs as a result of a stimulus |
| development | the process of a change that occurs during an organisms live to produce a more complex organism |
| asexual reproduction | a reproductive process that only one parent and produces offspring that are genetically identical to the parent |
| sexual reproduction | a reproductive process that involves two parents that combine their genetic material to produce new organisms which differs from both parents |
| spontaneous generation | the mistaken idea that living things arise from nonliving sources |
| controlled environment | an experiment in which only one variable is manipulated at a time |
| autotroph | an organism that is able to capture energy from sunlight or chemicals and use it to produce its own food |
| heterotroph | an organism that cannot make its own food and gets food by consuming other living things |
| homeostasis | the condition in which an organisms internal environment kept stable in spite of changes in the external environment |
| classification | the process of grouping things based off their similarities |
| taxonomy | the scientific study of how living things are classified |
| binomial nomenclature | the classification system in which each organism is given a unique two-part scientific name indicating its genus and species |
| genus | a classification grouping that consists of a number of similar closely related species |
| species | a group of similar organism that can mate with each other and reproduce offspring that can also mate and reproduce |
| prokaryote | a unicellular organism that lacks a nucleus and some other cell structures |
| nucleus | in cells a large oval organelle that contains the cells genetic material in the form of DNA and controls many of the cells activities, |
| eukaryote | an organism whose c ell contains a nucleus |
Created by:
emiles043