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ashlyn

Blume ch3#36-43

QuestionAnswer
why did we compare a cells permeable membrane to a screen on a window? because it keeps bigger things out and lets some small things in.
describe diffusion: when something moves from one place to another.
what is equilibrium? when any surface inside and outside is equal.
what would cause a human cell to use fermentation instead of cellular respiration? lack of oxygen.
What two things do producers give off as wastes that consumers need? oxygen & sugar
what two things do consumers give off as wastes that producers need? carbon dioxide & water
give an example of a consumer animals
give an example of a producer plants
Created by: Akimball1
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