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

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Term
Organism
Definition
living things
Term
Unicellular
Definition
a single celled organism
Term
Multicellular
Definition
many cells that are specialized to do certain tasks
Term
Development
Definition
the process of change that occurs during an organisms life
Term
Response
Definition
an action or change in behavior
Term
Cell
Definition
basic unit of structure and function in an organism
Term
Reproduce
Definition
to produce offspring that are similar to the parents
Term
6 Characteristics of Living Things
Definition
cellular organization, contain similar chemicals, use energy, grow an develop, respond to their surroundings, and reproduce
Term
Autotroph
Definition
organisms that make their own food
Term
Heterotroph
Definition
Organism that cannot make their own food
Term
Spontaneous Generation
Definition
the mistaken idea that living things arise from nonliving sources
Term
Homeostasis
Definition
the maintenance of constant conditions in the internal envirement of the body despite changes in the external envirement
Term
Photosynthesis
Definition
creating energy by using sunlight
Term
Chemosynthesis
Definition
creating energy without using sunlight but using chemicals
Term
The four needs of life
Definition
energy, water, living space, stable internal conditions
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