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isn studystack
Question | Answer |
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Variation | is a slight difference in an inherited trait of individual members of a species |
Mutations | are random genetic changes that result in new variations |
Natural Selection | the process by which populations of organisms with variations that help them survive, live longer, compete better and reproduce more than those that do not have those variations. |
energy | the ability to cause change |
work | the transfer of energy that occurs when a force is applied over a distance (force x distance) |
Power | the rate at which work is done (energy/time) |
Renewable resource | an energy resource that is replaced as fast as, or faster than, it is used. |
Nonrenewable resource | an energy source that is available in limited amounts or that is used faster than it is replaced. |
combustion power plant | burns biomass or fossil fuels to create energy that is used to make steam which turns a generator, making electricity |