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The Characteristics of Life
N/A
22
Biology
8th Grade
09/19/2011

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Term
Respiration
Definition
a life process that a plant produces energy.
Term
Excretion
Definition
the process by which a cell gets rid of wastes
Term
Digestion
Definition
changes complex molecules into simple molecules
Term
Reproduction
Definition
production of new individuals
Term
Regulation
Definition
control and coordinate all various cell activities.
Term
Growth
Definition
increase in size and/or number of cells
Term
Nutrition
Definition
obtained process food
Term
Transport
Definition
circulation absorption of nutrients
Term
Synthesis
Definition
"building" at complex substances from simpler ones
Term
Metabolism
Definition
the toatal of all life activities
Term
Homeostasis
Definition
The maintenance of a stable internal environment in spite of changes in the external environment
Term
Adaptation
Definition
traits giving an organism in a certain environment
Term
Stimuli
Definition
something that causes organisms to respond
Term
Autotrophs
Definition
organisms make their own food
Term
Heterotrophs
Definition
organisms must take in food
Term
Evolution
Definition
invovles the changes in an adaptation that all species have
Term
Biology
Definition
the study of life
Term
Organism
Definition
a living thing
Term
Cell
Definition
basic building block of life
Term
Unicelluar
Definition
made up of one cell
Term
Multicelluar
Definition
made up of more than one cell
Term
Abiotic
Definition
things that are non-living
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