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Econsystems and Energy

저작시기 2009.12 |등록일 2010.02.12 파워포인트파일MS 파워포인트 (ppt) | 11페이지 | 가격 2,000원

소개글

생태학(Ecology)에서 에코시스템과 에너지에 관한 프리젠테이션 자료입니다.

목차

Ecosystems and Energy
Food Chain Concept
Food Web Concept
Trophic Levels
Ecological Efficiencies
Ecological Pyramid of Numbers
Pyramid of Biomass
Ecological Pyramid of Energy
Ecosystem Productivity

본문내용

Ecosystems and Energy
Ecology:
Scientific study of the interrelationship of plants, animals and their physical environment.
Energy in Ecosystems:
Energy:
The capacity or ability to do work (growing, moving, reproducing, etc.)
Energy flow is unidirectional (not cyclical)
Useful energy is lost as heat at every step in a chain of events.
Energy transfer is described by the First and Laws of Thermodynamics
Primary processes by which chemical energy is transformed
Photosynthesis Cellular respiration
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Food Chain
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