the energy connection notes. what is this? a food chain a diagram that shows how each living thing...
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![Page 1: The Energy Connection Notes. What is this? A food chain A diagram that shows how each living thing gets food, and how nutrients and energy are passed](https://reader035.vdocument.in/reader035/viewer/2022062722/56649f305503460f94c4a38e/html5/thumbnails/1.jpg)
The Energy Connection Notes
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What is this?
• A food chain• A diagram that
shows how each living thing gets food, and how nutrients and energy are passed from creature to creature.
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What is this called? • A food web
• A diagram that shows the feeding relationships among organisms
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Food Chain -vs - Food Web
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Let’s Compare!
Food Chain Food WebLinear BranchingShows relationship Shows relationshipbetween 2 organisms among many organisms
Both shows what organisms eat arrows show the direction energy is flowing (energy goes to the animal that is eating)
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Primary source of energy =
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James Prescott Joule
• Studied the nature of heat which led to the development of…
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Laws of Thermodynamics
• The first law of thermodynamics states that energy cannot be created or destroyed; it can only be changed from one form to another.
• The second law of thermodynamics states that whenever energy is transformed, there is a loss of energy through the release of heat.
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Energy is measure is units called
Joules
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How do we represent the transfer of energy in an
ecosystem?
Food chain
Food Web
Energy Pyramid
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What is an energy pyramid?F
low of E
nergy
1st trophic level
3rd trophic level
2nd trophic level
4th trophic level
producers
herbivores
carnivores
100 joules
10 joules
1 joule
.1 joule
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Numbers Pyramid
10,000
980
92
8
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Biomass Pyramid
200,000g
19200g
2100g
189g
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Your Turn!