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What is Life?
N/A
17
Biology
7th Grade
09/28/2010

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Term
Organisms
Definition
living things
Term
Cell
Definition
Basic unit of structure and function in an organism
Term
Unicellular
Definition
A single- celled organism
Term
Multicellular
Definition
Organism composed of many cells, that are speciallized to do different jobs
Term
Devlopment
Definition
Process of change that occurs during an organisms life to make it more complex
Term
Response
Definition
An action or change in behavior due to stimulus
Term
Reproduce
Definition
Abillity to produce offspring that are similar to the parents
Term
Growth
Definition
Process of becoming larger, and making more cells
Term
Stimulus
Definition
A change in an organisms surrounding causing the organism to react
Term
Six characteristics of life
Definition
Cellular organization, chemicals of life, energy use, growth and development, response to surroundings, and reproduction
Term
Autotrophs
Definition
Organisms that make thier own energy/ food
Term
Heterotrophs
Definition
Organisms that consume energy from other living things
Term
Sponataneous Generation
Definition
The mistaken idea that living things arise from non living sources
Term
Homeostasis
Definition
The maintance of stable internal conditions despite changes in their surroudings.
Term
Photosynthesis
Definition
uses energy from the sun to make storable energy (glucose)Autotrophs
Term
Chemosynthesis
Definition
Converts chemicals into storable energy. Occur at deep ocean vents, no sunlight. Autotroph
Term
The 4 needs of life
Definition
Energy, Water, living space, Stable internal conditions.
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