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Eco 2.1, 2.2 Review

TermDefinition
Producers produce their own food from sunlight. ex: plants
Scavengers obtain their energy from eating animals that are already dead. ex: vultures
Consumers obtain energy for life by eating other organisms, both plants and animals, includes carnivores, omnivores, scavengers and parasites.
Decomposers bacteria, fungi, algae, worms, and insects that break down dead organisms, releasing nutrients back into the soil.
Carnivore animals that eat other animals only (eat meat). ex: lions
Herbivore animals that eat only plants. ex: squirrels
Omnivore animals that eat both plants and animals. ex: raccoons
Energy Pyramid A model that shows how much energy passes from one level to another in an ecosystem.
Food Chain a chart that shows ONE path that energy travels from one organism to another; it starts with a producer
Food Web A chart that shows MANY paths for energy to travel in an ecosystem; many food chains
Primary consumer the first consumer in a food chain/web
Secondary Consumer eats the primary consumer
Tertiary Consumer eats the secondary consumer
The Sun The original source of energy for most ecosystems.
10% The amount of energy passed up from one organism to another organism in a food pyramid.
Created by: bphelan
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