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What is Life?
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15
Biology
7th Grade
09/29/2010

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Term
Organisim
Definition
living things
Term
unicelluar
Definition
a single celled organisim
Term
cell
Definition
a basic unit of structure and function in a organisim
Term
multicellular
Definition
organisims composed of many cells
Term
Development
Definition
Is a the process of change that occurs during an organisms life to produce a more complex organism
Term
response
Definition
an action or change in behavior
Term
reproduce
Definition
the ability to produce an offspring similar to the parents
Term
homeostasis
Definition
The maintenance of constant conditions in the internal environment in the body destpite large swings in the external environment
Term
photosynthesis
Definition
a process in (in plants) which energy is taken from the sun and converting it into a storable form
Term
autotroph
Definition
a living organisim that produces it's own food
Term
spontaneous generation
Definition
the mistaken idea that a living thing can come from a non-living thing
Term
heterotrophs
Definition
organisims that cannot make their own food in which they have to consume food for energy
Term
chemosynthesis
Definition
the process in which organisims that are not accessible to sunlight use to produce food.
Term
Six characteristics of life
Definition
Cellular Orgnization, Chemicals of Life, Energy Use, Growth and Development, Response to Surroundings, and Reproduction.
Term
Four Needs of Life
Definition
Energy, Water, Living Space, and Stable Internal Conditions.
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