Chapter 6- Ecology

Chapter 6- Ecology - Ch. 6 Energy in the Ecosystem Energy...

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Ch. 6 Energy in the Ecosystem Energy in the Ecosystem The capacity or ability to do work First Law of Thermodynamics: o Energy is neither created or destroyed o It can change form o It can be passed to others o It can be transformed into a for incapable of doing work (heat) Closed ecosystems- an ecosystem with no energy input from its surroundings o Earth is a closed system o Something man made Open ecosystems- an ecosystem with energy inputs from its surroundings Living systems are open Two types of energy: o Potential energy- store energy o Kinetic energy- energy in motion Energy is used for: o Maintenance o Fuel activates o Growth o Reproduction Ecosystem- Interaction among biotic and abiotic components Three basic components of an ecosystem: o Autotrophs- primary producers
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Three functions for plant growth: Photosynthesis o Primary production – production of glucose and oxygen from carbon dioxide and water through the process of photosynthesis o Uses energy to produce sugar
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This note was uploaded on 12/15/2010 for the course BIO 210 taught by Professor Bilbrey during the Fall '10 term at UCM.

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Chapter 6- Ecology - Ch. 6 Energy in the Ecosystem Energy...

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