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Episode 05


ENERGY  FLOW    IN    ECOSYSTEMS OBJECTIVE :    After completing this unit, we 

will be able to :

2. Explain how energy moves through an  ecosystem 3. Describe how much energy is available at  each level of an energy piramid.


Food   Chains


Fo od We b


• Here you should be able to identify 3 consumer Levels in a web


Differences between food chain  and food web the CHAIN has ONE simple direction easy to follow

a WEB has MORE than ONE single direction


Food Web

Food chains


Food Webs


Energy  Pyramid All types of consumers  will be after the  herbivores level At the second  level will be the  Herbivores At the bottom, as  first level, will be  always the  Producers


Shows the energy available at  each level of a food chain

Energy Pyramid


Progressive  Loss  of  Energy  in  food chain


Let’s  play  with Food  Chains • http://www.sheppardsoftware.com/ content/animals/kidscorner/foodch ain/producersconsumers.htm

Science 8-VO part 5  

Episode 05 2. Explain how energy moves through an ecosystem OBJECTIVE : After completing this unit, we will be able to : 3. Describe how muc...

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