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Unit 1: Scientific Investigation WHS Flashcards

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Biology, Unit 1, Scientific Investigation, Scientific Method, Eukaryotic Cell, Prokaryotic Cell

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465568034Scientific InvestigationThe process by which a scientist asks a question about the natural world, collects and analyzes data to help answer that question, and communicates the results to the scientific community0
465568035Homeostasismaintaining a stable internal environment1
465568036CellsThe basic unit of all living things2
465568037Eukaryotic Cellcell with a nucleus (surrounded by its own membrane) and other internal organelles3
4655680388 Characteristics of Life1. Made of one or more cells 2. Displays organization 3. Grows and Develops 4. Reproduces 5. Responds to stimuli 6. Requires Energy 7. Maintains Homeostasis 8. Adaptations evolve over time4
465568039Hypothesisan educated guess to the problem or a prediction of the results; usually written as an IF .... THEN statement5
465568040Independent VariableThe one factor changed by the scientist. The IF part of the hypothesis, graphed on the x-axis6
465568041Dependent VariableThe variable being affected, observed and/or measured. The THEN part of the hypothesis, graphed on the y-axis.7
465568042Control Groupin an experiment, a group that serves as a standard of comparison with another group to which the control group is identical except for one factor8
465568043Constantsconditions that stay the same in the experiment9
465568044Quantitative Datanumerical data10
465568045Qualitative DataInformation describing color, odor, shape, or some other physical characteristic11
465568046Pie Graphsshows how facts and figures relate to each other by presenting them as portions of a circle12
465568047Line GraphsVisual display that show how two variable are related, independent variable platted on horizontal x axis, dependent variable platted on the vertical y axis13
465568048Bar Grapha type of graph in which the lengths of bars are used to represent and compare data in categories14
465568049TheoryA well tested explanation of many scientific observations15
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