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Ecosystem NotesOrganism: a living thing Individual: one single organismPopulation: all the individuals of one kind (one species) in a specified area at one timeCommunity: all the interacting populations in a specified area Ecosystem: a system of interacting organisms and nonliving factors in a specified area Biotic: living organisms and products of organisms Abiotic: nonliving; ex. Sunlight, rocks, temperature, rainfall
Producer: an organism that is able to produce its own food through photosynthesis
Consumer: an organism that eats other organismsPrimary consumer: eats producersSecondary consumer: eats primary
consumersTertiary (3rd level) consumer: eats
secondary consumers
Decomposer: an organism that consumes parts of dead organisms
Predator: an animal that captures another for food
Prey: an animal eaten by a predator
Carnivore: a consumer that is a meat eater, only eats other animals
Herbivore: a consumer that is a plant eater
Omnivore: a consumer that eats both meat and plants
Food chain: a pathway of food and energy through an ecosystem
Food web: a complex network of feeding relationships made of many interconnected food chains
Detritus: decaying organic material