Parameter Tree:
EARTH SCIENCE > BIOSPHERE > ECOLOGICAL DYNAMICS > ECOSYSTEM FUNCTIONS > RESPIRATION RATE

Definition:
The chemical process that occurs in all living cells wherein organic
compounds are broken down to release energy required for life
processes. 


Reference:
Nebel, Bernard J.and Richard T. Wright. Environmental Science-the Way the World
Works. 1998. Prentice-Hall, Inc. Upper Saddle River, New Jersey.