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What is Life?
N/A
16
Biology
7th Grade
09/29/2010

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Term
Organisms
Definition
living things that share the six characteristics of life
Term
Response
Definition
An action or change in behavior
Term
Unicellular
Definition
A single celled organism
(bacteria)
Term
Multicellular
Definition
Organisms that are composed of many cells
(humans)
Term
Cell
Definition
Basic unit of structure and function in an organism
Term
Development
Definition
The process of change that occurs during an organisms life to produce a more complex organism.
Term
Reproduce
Definition
Produce offspring that are similar to their parents.
Term
Characteristics of Living Things
Definition
Cellular organization, Chemicals of life, Energy use, Growth and Development,Response to surroundings,Reproduction
Term
Growth
Definition
Process of becoming larger
Term
Autotrophs
Definition
organisms that make their own food
Term
Heterotrophs
Definition
Organisms that cannot make their own food
Term
Spontaneous Generation
Definition
the mistaken idea that living things arise from non-living sources
Term
Homeostasis
Definition
The maintinance of stable internal conditions despite changes in the surroundings
Term
photosynthesis
Definition
the process in which plants and bacteria take energy from the sun and convert it into a storable form to use for their own life processes
Term
chemosynthesis
Definition
process which some organisms that are not accesible to sunlight use to produce food
Term
four needs of life
Definition
energy, water, living space, stable internal conditions
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