what is energy?. energy is the capacity for action/doing work
TRANSCRIPT
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What is Energy?
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What is Energy?Energy is the capacity for action/doing work
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Why do we eat?
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Why do we eat?
To have the capacity to carry out functions necessary for living
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Why do we eat?
To have the capacity to carry out functions necessary for living
So our bodies are able to work
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Why do we eat?
To have the capacity to carry out functions necessary for living
So our bodies are able to work
To obtain energy
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How does energy move to our homes?
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How does energy move to our homes?
Through a chain/web/network of power lines
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How does energy flow through an ecosystem?
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How does energy flow through an ecosystem?
Energy flows through food chains or food webs
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A. Food Chain
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A. Food Chain
1. A series of events in which one organism eats another and obtains energy
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B. Food Web
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B. Food Web
1. Pattern of overlapping food chains in an ecosystem
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B. Food Web
1. Pattern of overlapping food chains in an ecosystem
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C. Energy Roles in Food Webs
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C. Energy Roles in Food Webs1. Producers
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C. Energy Roles in Food Webs1. Producers – An organism that can make its own
food
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C. Energy Roles in Food Webs1. Producers – An organism that can make its own
food
2. Consumers
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C. Energy Roles in Food Webs1. Producers – An organism that can make its own
food
2. Consumers – An organism that obtains food by feeding on other organisms.
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C. Energy Roles in Food Webs1. Producers – An organism that can make its own
food
2. Consumers – An organism that obtains food by feeding on other organisms.a. Herbivores –
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C. Energy Roles in Food Webs1. Producers – An organism that can make its own
food
2. Consumers – An organism that obtains food by feeding on other organisms.a. Herbivores – eat plants only
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C. Energy Roles in Food Webs1. Producers – An organism that can make its own
food
2. Consumers – An organism that obtains food by feeding on other organisms.a. Herbivores – eat plants only
b. Carnivores
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C. Energy Roles in Food Webs1. Producers – An organism that can make its own
food
2. Consumers – An organism that obtains food by feeding on other organisms.a. Herbivores – eat plants only
b. Carnivores - eat other animals only
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C. Energy Roles in Food Webs1. Producers – An organism that can make its own
food
2. Consumers – An organism that obtains food by feeding on other organisms.a. Herbivores – eat plants only
b. Carnivores - eat other animals only
c. Omnivores
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C. Energy Roles in Food Webs1. Producers – An organism that can make its own
food
2. Consumers – An organism that obtains food by feeding on other organisms.a. Herbivores – eat plants only
b. Carnivores - eat other animals only
c. Omnivores – eat plants and animals
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C. Energy Roles in Food Webs1. Producers – An organism that can make its own
food
2. Consumers – An organism that obtains food by feeding on other organisms.a. Herbivores – eat plants only
b. Carnivores - eat other animals only
c. Omnivores – eat plants and animals
d. Scavenger
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C. Energy Roles in Food Webs1. Producers – An organism that can make its own
food
2. Consumers – An organism that obtains food by feeding on other organisms.a. Herbivores – eat plants only
b. Carnivores - eat other animals only
c. Omnivores – eat plants and animals
d. Scavenger – carnivore that feed on bodies of dead organisms
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C. Energy Roles in Food Webs1. Producers – An organism that can make its own food
2. Consumers – An organism that obtains food by feeding on other organisms.a. Herbivores – eat plants only
b. Carnivores - eat other animals only
c. Omnivores – eat plants and animals
d. Scavenger – carnivore that feed on bodies of dead organisms
3. Decomposers
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C. Energy Roles in Food Webs1. Producers – An organism that can make its own
food
2. Consumers – An organism that obtains food by feeding on other organisms.a. Herbivores – eat plants only
b. Carnivores - eat other animals only
c. Omnivores – eat plants and animals
d. Scavenger – carnivore that feed on bodies of dead organisms
3. Decomposers – break down waste and dead organisms and return raw materials to the ecosystem
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D. Energy Pyramid
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D. Energy Pyramid
1. Diagram that shows the amount of energy flowing through a food web
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D. Energy Pyramid
1. Diagram that shows the amount of energy flowing through a food web
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D. Energy Pyramid
1. Diagram that shows the amount of energy flowing through a food web
a. Only about 10% of total energy at each level is passed onto the next level
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D. Energy Pyramid
1. Diagram that shows the amount of energy flowing through a food web
a. Only about 10% of total energy at each level is passed onto the next level
1. organisms use 90% of the energy they consume to carry out life functions