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Biology

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
biosphere   all organisms and the part of the earth where they exist  
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biodiversity   variety of life within an area  
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species   group of organisms so similar to one another that they can breed and produce fertile offspring  
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biology   scientific study of all life forms  
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organism   an individual living thing  
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cell   basic unit of life  
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metabolism   all chemical processes that synthesize or break down materials within an organism  
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DNA   (deoxyribonucleic acid) molecule that stores genetic information in all organisms  
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system   changing, organized group of related parts that interact to form a whole  
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ecosystem   collection of organisms and nonliving things, such as climate, soil, water, and rocks, in an area  
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science   knowledge obtained by observing natural events and conditions in order to discover facts and formulate laws and principles that can be verifies or tested  
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homeostasis   maintenance of constant internal conditions in an organism  
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evolution   change in living things over time  
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adaptation   an inherited trait that gives an advantage to individual organisms and is passed on to future generations  
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observation   using our senses to study the world  
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data   observations that can be analyzed  
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hypothesis   proposed answer for a scientific question  
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experiment   process that tests a hypothesis by collecting information under controlled experiments  
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independent variable   a condition that is manipulated or changed by a scientist  
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dependent variable   experimental data collected through observation and measurement  
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constant   the conditions that do not change during an experiment  
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theory   a proposed explanation for a wide range of observations and experimental results that is supported by a wide range of evidence  
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measurement   the determination of the dimensions of something using a standard unit  
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accuracy   a description of how close a measurement is to the true value of the quantity measured  
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precision   exactness of a measurement  
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microscope   enlarges an image of an object  
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gene   a segment of DNA that stores genetic information  
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molecular genetics   study an manipulation of DNA on a molecular level  
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genomics   study and comparison of genomes both within and across species  
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biotechnology   the use of and application of livings things and biological processes  
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transgenic   organisms that have genes for more than one species, or have altered copies of their own genes  
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Created by: EliseD
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