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12 Cards in this Set
- Front
- Back
Cell |
membrane-covered structure that contains all the materials for life |
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Stimulus |
Change in the organisms environment that that affects the activity of the organism |
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homeostasis |
The maintenance of a stable internal environment |
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Asexual Reproduction |
single parent produces offspring that are identical to the parent |
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Sexual Reproduction |
Requires two parents to produce offspring that will share characteristics of both parents |
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DNA |
deoxyribonucleic acid -- a molecule that provides instructions for making molecules called proteins |
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Heredity |
transmission of characteristics from one generation to the next |
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Metabolism |
total of all the chemical activities an organism performs (making food, breaking down food, moving materials into and out of cells) |
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Single-cell organism growth |
the cell grows larger |
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Multi-cell organism growth |
the cell grows by increasing the number of cells |
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The Scientific Method |
Question Hypothesis Test Analyze Results Draw Conclusions Communicate |
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Six Characteristics of Life |
Have Cells Sense and Respond to Change (Homeostasis) Reproduce Have DNA Use Energy Grow and Develop (have a Life Cycle) |