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17 Cards in this Set

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consumer
organisms that eat (consume) the food made by producers
homeostasis
ability to regulate body temperature and other examples of "steady state"
adaptation
inherited trait that helps the organism's ability to survive and reproduce in its environment
population
a localized group of organisms in the same species
natural selection
killing off less favorable traits by allowing favorable-traited organisms to reproduce and others to die off
evolution
generation-to-generation change in the proportion of different inherited genes in a population
observation
the use of the senses
data
recorded observations
inference
logical conclusions based on observations
generalization
many specific observations combined to reach a general conclusion
hypothesis
a suggested answer to a well-defined scientific question
variable
a condition that can differ within the experiment
controlled experiment
an experiment that tests the effect of a single variable
evidence
collected body of data from observations and experiments
theory
well-tested explanation that makes sense of a great variety of scientific observations
model
physical, mental, or mathematical representations of how people understand a process or an idea
technology
applying scientific understanding for some specific purpose