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18 Cards in this Set
- Front
- Back
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Reactivity
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Ability of one substance to act on another substance to create a chemical change
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Qualitative observation
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Does not involve numbers and measurement
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Quantitative observation
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Does involve measurements and numbers
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Meniscus
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Crescent shape, or concave or convex surface of liquid due to surface tension
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Turgor pressure
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Pressure of water molecule against the cell wall that makes the plant stay up straight p
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Tropism
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An automatic movement by an organism that is unable to move
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Geotropism
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A plants growth in response to the force excerpted by gravity
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Phototropism
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A movement towards the light
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Equilibrium
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State of balance
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Biomass
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Fatal mass of all living matter in an area
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Autotroph
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Organism that makes it own food by sun-plants
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Macromolecule
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Large FOOD molecule
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Bolus
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Mass of food that has been chewed at the point of swallowing
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Peristalsis
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Muscle movements that force food down the esophagus
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Subsidence
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Sunken land surface due to underlying compression of earth material as a result of the removal go ground water
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Drainage divide
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A barrier such as a ridge hill or mountain separating watersheds
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Succession
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Helps maintain a balance in an ecosystem
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Colonize
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Colonize-to be the the first to inhabit or settle in a new environment
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