Biology - Ch. 1
About this set
Created by:
fabiology on May 21, 2008
Classes:
Biology, Mrs. Alves' AP Bio class, Biology (pre-IB and Honors), KokomoHS Biology 2012, Barlow's Flashcards, Blackwell Biology (see more)
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25 terms
Terms | Definitions |
|---|---|
 adaptation | evolution of a structure, behavior or internal process that enables an organism to respond to environmental factors and live to produce offspring |
| biology | the study of life that seeks to provide an understanding of the natural world |
| development | all of the changes that take place during the life of an organism; a characteristic of all living things |
| energy | the ability to cause change; used to perform biological functions |
| environment | biotic and abiotic surroundings to which an organism must constantly adjust; includes air, water, weather, temperature, other organisms, and many other factors |
| evolution | gradual change in a species through adaptations over time |
| growth | increase in the amount of living material and formation of new structures in an organism; a characteristic of all living things |
| homeostasis | organism's regulation of its internal environment to maintain conditions suitable for survival; a characteristic of all living things |
| organism | anything that possesses all the characteristics of life; have an orderly structure, produce offspring, grow, develop, and adjust to changes in the environment |
| reproduction | production of offspring by an organism; a characteristic of all living things |
| response | an organism's reaction to a change in its internal or external environment |
| species | group of organisms that can interbreed and produce fertile offspring in nature |
| stimulus | anything in an organism's internal or external environment that causes the organism to react |
| control | in an experiment, the standard in which results are compared |
| data | Information obtained from experiments, sometimes called experimental results |
| independent variable | in an experiment, the condition that is tested because it affects the outcome of the experiment |
| dependent variable | in an experiment, the condition that results from changes in the independent variable |
| experiment | procedure that tests a hypothesis by collecting information under controlled conditions |
| hypothesis | explanation for a question or a problem that can be formally tested |
| safety symbol | symbol that warns you about a danger that may exist from chemicals, electricity, heat or experimental procedures |
| scientific methods | procedures that biologists and other scientists use to gather information and answer questions |
| theory | explanation of natural phenomenon supported by a large body of scientific evidence obtained from many different investigations and observations |
| ethics | the moral principles and values held by humans |
| technology | application of scientific research to society's needs and problems |
| organization | orderly structure of cells in an organism |
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