Anjali- AP Enviromental- Chapter 6

Anjali- AP Enviromental- Chapter 6 - APES Ch. 6 Notes-...

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APES Ch. 6 Notes- Ecosystems and Ecosystem Management 6.1 Notes 1. The Ecosystem: Sustaining Life On Earth a. Basic Characteristics of Ecosystems i. Life is a characteristic of ecosystems no individual organisms. ii. Structure: An ecosystem made up of 2 parts: nonliving and living. Nonliving is physical-chemical environment, atmosphere, water, mineral soil. Living is ecological community , set of species. iii. Processes: 2 kinds: cycling of chemical elements and a flow of energy. iv. Change : Ecosystem changes over time and can undergo development called succession . b. Ecological Communities and Food Chains i. Food Chains : energy, chemical elements, and some compounds are transferred from creature to creature. ii. Food Webs : linkage of who feeds on whom. iii. Trophic level : consists of all those organisms in a food web that are the same number of feeding levels away from the original source of energy. iv.
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Anjali- AP Enviromental- Chapter 6 - APES Ch. 6 Notes-...

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