Food Webs & Chains

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Photosynthesis
Plants, algae, and some bacteria use sunlight, carbon dioxide, and water to produce carbohydrates and oxygen.
Cellular Respiration
The process by which cells produce energy from carbohydrates.
Producer
An organism that can make food often through photosynthesis.
Consumer
Eats other organisms to obtain food.
Decomposer
An organism that gets food from breaking down dead organisms.
Food Chain
Shows the pathway of energy transfer through a few organisms.
Food Web
A diagram that shows the feeding relationships between many species in an ecosystem.
Trophic Level
The individual steps in a food chain or food pyramid.
primary consumer
An organism that eats producers
Secondary consumer
An organism that eats primary consumers
Tertiary consumer
An organism that eats secondary consumers
Bacteria and fungi
most common decomposers
Herbivore
An organism that eats only plants
A rose bush is an example of a...
Producer
A buffalo is an example of a...
Consumer
A lion is an example of a...
Consumer
A mushroom is an example of a...
Decomposer
How much energy is passed from one trophic level to the next?
10%
Omnivore
A consumer that eats both plants and animals
Bottom of Ecological Pyramid
Most energy, most organisms
Top of Ecological Pyramid
Least energy, Least organisms
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