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Biology Ch 1

What Biologist Do

TermDefinition
Biology the science of life
Organism anything that has or once had all characteristics of life
Organization arranged in an orderly way
Growth results in the addition of mass to an organism; and in many organisms, the formation of new cells and new structures
Development the process of natural changes that take place during the life of an organism
Reproduction the production of offspring
Species a group of organisms that can breed with one another and produce fertile offspring
Stimulus anything that is part of the environment and causes some sort of reaction by an organism
Response reaction to a stimulus
Homeostasis regulation of an organism's internal conditions to maintain life
Scientific Method similar methods to gather information used by biologists
Hypothesis testable explanation of a situation
Serendipity occurence of accidental or unexpected bur fortunate results
Experiment investigate a phenomenon in a controlled setting to test a hypothesis
Control Group group used for comparison
Experimental Group group exposed to the factor being tested
Independent Variable what "I" am testing; what might affect the outcome of the experiment
Dependent Variable what happens in the experiment, it "depends"
Constant factor that remains fixed or "constant", doesn't change when the Independent and Dependent variables change
Data information gained from observations
Safety Symbol logo designed to alert you about a specific danger
Created by: tgalyean
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