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Life Processes

All living things (organisms) must maintain homeostasis
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Nutrition
The obtaining and processing of food materials (nutrients)
Synthesis
Combining of simple substances to form more complex substances
Growth
The increase in size of an organism
Excretion
Removal of metabolic waste
Transport
The absorption and distribution (circulation) of materials throughout an organism
Reproduce
The ability of organisms to produce more of their own kind (essential to the species but not to the individual)
Respiration
Release energy stored in nutrients
Regulation
The coordinated response of an organism to a changing environment in order to maintain homeostasis
Metabolism
The sum total of all the life processes required to sustain life; includes all the chemical reactions that occur at the cellular level
Homeostasis
The maintenance of stable (constant) internal environment