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16 Cards in this Set

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  • Back
adaptation
a characteristic that assists in an organism's survival
biogenesis
theory that states that all living organisms are derived from other living organisms
cell
membrane covered structure that is the smallest unit of life
control
changing only one factor at a time in an experiment
development
the changes over the course of the lifetime of an organism
homeostasis
the ability to maintain steady internal conditions
hypothesis
an answer to a question that can be tested
law
a rule that defines and predicts patterns in nature
life span
an oranism's length of life
response
an organism's reaction to a stimulus
scientific method
series of steps used to solve problems and answer questions
spontaneous generation
a theory that states that living organisms can be produced from nonliving things; for example, frogs born of mud
stimulus
anything that affects the responses of an organism
technology
use of knowledge gained through science
theory
a description based on observations of nature that can change if evidence changes
variables
factors that can change