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What is Life?
Vocabulary for What is Life?
14
Biology
7th Grade
09/30/2010

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Term
Oraganism
Definition
Living thing
Term
Unicellular
Definition
having or consisting of a single cell
Term
Multicellular
Definition
Organism composed of many cells working together
Term
Developement
Definition
Process of change to evolve into a more complex organism
Term
Response
Definition
Change in behavior due to a stimulus
Term
Cell
Definition
the basic of structional unit of all organisms
Term
reproduce
Definition
to produce offspring similar to parents
Term
The 6 Characteristics of Living Things
Definition
Cellular Organiztion
The Chemicals of Life
Energy Use
Response to Surroundings
Growth and Development
Reproduction
Term
Autotroph
Definition
any organism capable of self-nourishment by using inorganic materials as a source of nutrients and using photosynthesis or chemosynthesis as a source of energy, as most plants and certain bacteria
Term
Heterotroph
Definition
an organism requiring organic compounds for its principal source of food
Term
Spontaneous Generation
Definition
the now discredited theory that living organisms can arise spontaneously from inanimate matter; aslo called abiogensis
Term
Homeostasis
Definition
The maintenance of relatively stable internal physiolgical conditions in higher animals under fluctuating enviromental conditions
Term
Photosynthesis
Definition
The act of changing sunlight into storable energy. (Autotrophs)
Term
Chemosynthesis
Definition
The act of changing chemicals and heat into storable energy. (autotrophs)
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