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...Este es el primer capitulo con pequenas modificaciones del libro th ecology concepts and applications edition manuel c molles jr anna a sher mc graw hill education new york esta introduccion no solo introduce concepto de ecologia sino tambien sus abordajes y aplicaciones chapter introduction to learning outcome after studying this section you should be able do the following discuss concept of environment as it pertains science what is study relationships among organisms between physical these influence many aspects natural world including distribution abundance variety species living together in place transformation flow energy nature humans are rapidly changing earth s yet we not fully understand consequences changes for instance human activity has increased quantity nitrogen cycling through land water changed cover across globe atmospheric concentration co such threaten diversity life on may endanger our support system because rapid pace environmental change early twenty first centur...