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15 Cards in this Set
- Front
- Back
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How do you write a proper hypothesis?
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IF...(independent variable)...
THEN..(Dependent variable prediction) |
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Active Transport
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Requires energy to work against diffusion.
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Multicellular organism
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made of many cells,the individual cells have specialized jobs.
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Osmosis
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The diffusion of water through
a cell membrane. |
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Dependent Variable
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What you measure (try to find out) during an experiment.
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Passive transport
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Movement of molecules in the flow of diffusion. Requires no additional energy.
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Equilibrium
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When a balance is achieved.
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Shape of cells
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Help with job (ie Red blood cells are small and smooth, muscle cells long and thin, white blood cells can engulf).
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Metabolism
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Sum of all chemical activities.
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Unicellular
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Made of 1 cell. It can perform all of life's functions independently.
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Respiration
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Provides you with energy needed for life's functions.
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Levels of organization
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cells-tissues-organ-
organ system-organism |
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6 characteristics of living things
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-made of cells -Have DNA
-Grow and develope -Reproduce -Respond to stimuli -Use energy |
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4 needs of living things
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water, food, shelter, air
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Photosynthesis
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Producers use this to make glucose (oxygen also produced).
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