What is Ecology? - PowerPoint PPT Presentation

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What is Ecology?

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Title: What is Ecology? Author: Owner Last modified by: Owner Created Date: 8/7/2003 1:21:01 PM Document presentation format: On-screen Show (4:3) Other titles – PowerPoint PPT presentation

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Tags: ecology | food | pyramid

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Title: What is Ecology?


1
Energy
2
Do I need energy?
Where does energy come from?
What is energy?
3
Tidal Marsh Food Web
2o Consumers
1o Consumers
Producers
Decomposers
Created by Michael J. Pidwirny, Ph.D.,
Department of Geography, Okanagan University
College
4
Energy Flow in a Food Web
Sun Energy 100
Producers
1o Consumers
2o Consumers
90
  • heat
  • life needs
  • motion

Decomposers
5
Energy Flow Food Webs
6
Eco by the Numbers
7
The Energy Pyramid
Producers 100
1o Consumers 10
2o Consumers 1
3o Consumers 0.1
8
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