Intro Unit Vocabulary
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Created by:
awilkens on September 1, 2011
Subjects:
Classes:
GHS General Biology, GHS Advanced & CB Biology
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20 terms
Terms | Definitions |
|---|---|
 cell | basic unit of all forms of life. |
| evolution | change in a kind of organism over time; process by which modern organisms have descended from ancient organisms. |
| skepticism | the act of constantly questioning and wanting proof to back up an idea. |
| observation | use of one or more of the senses—sight, hearing, touch, smell, and sometimes taste—to gather information |
| theory | well- tested explanation that unifies a broad range of observations. |
| reproduction | the formation of new individuals. |
| SI Units | International System of Units; a complete metric system of units of measurement used in science |
| dependent variable | factor in an experiment that a scientist wants to observe and is measured, which may change because of the manipulated variable; also known as a responding variable. |
| Scientific Law | a hypothesis or theory that is so extensively tested and never proven false that it is understood to be truth. |
| control group | the standard for comparison in an experiment; the normal situation. |
| constants | things that stay the same in an experiment. |
| biology | science that seeks to understand the living world |
| independent variable | factor in an experiment that a scientist purposely changes; also known as manipulated variable. |
| homeostasis | process by which organisms maintain a relatively stable internal environment. |
| conclusion | the results of an experiment. |
| experiment | is a step by step procedure for solving a problem or answering a question. |
| metabolism | set of chemical reactions through which an organism builds or breaks down materials as it carries out its life process. |
| experimental group | the group that has the independent variable acted upon it; the group you change. |
| hypothesis | possible explanation for a set of observations or possible answer to a scientific question; if, then statement |
| heredity | the passing on of genes from parent to offspring. |
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