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What is Life?
N/A
15
Biology
7th Grade
09/28/2010

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Term
organism
Definition
living things
Term
cell
Definition
the basic unit of structure and function in an organism
Term
unicellular
Definition
single-celled organism
Term
multicellular
Definition
organisms that are composed of many cells
Term
development
Definition
the process of change that occurs during an organism's life to produce a more complex organism
Term
stimulus
Definition
a change in an organism's surroundings that causes the organism to react
Term
response
Definition
an action or change in behavior
Term
reproduce
Definition
to produce offspring that are similar to the parents
Term
spontaneous generation
Definition
the mistaken idea that living things arise from non living sources
Term
autotroph
Definition
organisms that make their own food
Term
heterotroph
Definition
organisms that can not make their own food
Term
homeostasis
Definition
the maintenance of stable internal conditions despite changes in surroundings
Term
six charcteristics of life
Definition
cellular organization, chemicals of life, energy use, growth and development, response to surroundings, and reproduction
Term
photosynthesis
Definition
the process that uses the sun to make storable energy usually glucose
Term
chemosynthesis
Definition
the process of converting chemicals into storable energy
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