Ecosystem Notes Organism: a living thing

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Presentation transcript:

Ecosystem Notes Organism: a living thing Individual: one single organism Population: all the individuals of one kind (one species) in a specified area at one time Community: 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

Consumer: an organism that eats other organisms Producer: an organism that is able to produce its own food through photosynthesis Consumer: an organism that eats other organisms Primary consumer: eats producers Secondary consumer: eats primary consumers Tertiary (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