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Living Env.
Life Processes
Term | Definition |
---|---|
Digestion | breakdown of food to simpler molecules which can enter the cells |
Circulation | the movement of materials within an organism or its cells |
Movement (locomotion) | change in position by a living thing |
Excretion | removal of cellular waste products by an organism (wastes may include carbon dioxide, water, salt, and urea and are released during exhalation, perspiration, and urine formation.) |
Respiration | process which converts the energy in food to ATP (the form of energy which can be used by the cells) |
Reproduction | the making of more organisms of one's own kind -- not needed by an individual living thing but is needed by its species |
Immunity | the ability of an organism to resist disease causing organisms (pathogens) and foreign invaders |
Coordination | the control of the various activities of an organism (mostly involves the nervous system and endocrine glands in complex animals) |
Synthesis | the production of more complex substances by combining two or more simpler substances |