Quizlet

Term	Definition
Food Chain	How food moves through a series of organisms in an ecosystem: Producer to Primary Consumer (herbivore) to Secondary consumer (carnivore)
Ecosystem	Part of a biome where organisms interact with each other.
Biome	Large geographical area with characteristic vegetation.
Producers	Organisms (mostly plants) that turn energy into food.
Consumers	Organisms that eat other organisms.
Herbivores	Eat only plants (primary consumers)
Carnivores	Eat only animals.
Predators	Actively seek out and eat prey.
Decomposers	Eat dead things; "the great recyclers" ex. fungi & bacteria.
Food web	Interrelated food chains in an ecosystem.
Symbiosis	"living together" (long term relationship between two species)
Mutualism	A type of symbiosis. (++) Both benefit
Commensalism	A type of symbiosis.(+0) One benefits & one is not affected (barnacles on whale)
Parasitism	A type of symbiosis. (+ -) One benefits (parasite) and one is harmed (host)
Omnivore	Eats plants and animals

Flickr Creative Commons Images

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• "Ecosystem" image
• "Biome" image
• "Producers" image
• "Herbivores" image
• "Carnivores" image
• "Predators" image
• "Decomposers" image
• "Symbiosis" image
• "Mutualism" image
• "Commensalism" image
• "Parasitism" image
• "Omnivore" image

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