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Ch. 1.1 - What Is Biology?
What Is Biology?
14
Biology
10th Grade
09/09/2011

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Term
biology
Definition
the study of life
Term
organism
Definition
anything that possesses all of the characteristics of life.
Term
organization
Definition
having an orderly structure
Term
reproduction
Definition
the production of offspring
Term
species
Definition
a group of organisms that can interbreed and produce fertile offspring
Term
growth
Definition
an increase in the amount of living material and the formation of new structures
Term
development
Definition
all of the changes that take place during the life of an organism
Term
environment
Definition

an organism's surroundings

 (includes air, water, temperature, weather, any other organism in the area, and many other factors)

Term
stimulus
Definition
any condition in the environment that requires an organism to adjust
Term
response
Definition
a reaction to a stimulus
Term
homeostasis
Definition
the regulation of an organism's internal environment to maintain conditions suitable for its survival
Term
energy
Definition
the ability to do work
Term
adaptation
Definition
any structure, behavior, or internal process that enables an organism to respond to stimuli and better survive in an environment
Term
evolution
Definition
the gradual accumulation of adaptations over time
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