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23 Cards in this Set

  • Front
  • Back
biolofy
the study of life
organization
an orderly structure.
reproductions
the production of offspring.
response
a reaction to a stimulus.
evolution
the gradual accumulation of adaptations over time.
control
the group in which all conditions are kept the same.
technology
is the application of scientific research to societys needs aand problems.
species
a group of organisms that can interbreed and produce fertile offspring in nature.
growth
results in the increase in the formation of new structures.
development
all of the changes that take place during the life of an organism.
environment
includes air, water, weather, temperature, any other organism in the area, and mant other factors.
stimulus
any condition in the environment that requires an organism to adjust.
homeostasis
regulation of an organisms internal environment to maintain conditions suitable for its survival.
energy
living things reproduce themselves, grow and develop, respond to external stimuli, and maintain homeostasis.
adaptation
any structure, behavior, or internal process that enables an organism to respond to stimuli and better survive in an environment.
scientific methods
the common steps that biologists and other scientists use to gather information and answer questions
hypothesis
an explanation for a question or a problem that can be formally tested.
experiment
is a procedure that tests a hypothises by the process of collecting information under controlled conditions.
independant variable
the condition in an experiment that is changed.
dependant variable
any changes in it depend on changes made to the independent variable.
safety symbol
a symbol taht warns you about a danger that may exist from chemicals, electricity, heat, or procedures you will use.
theory
an explanation of a natural phenomenon that is suppported by a large bodyu of scintific evidence obtained from mant different investigations.
ethics
refers to the moral principles and values held by humans.