Ecology

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Abiotic factor
nonliving parts of an ecosystem
Biotic factor
A living part of an ecosystem
Producer
An organism that can make its own food.
Consumer
An organism that eats other organisms to get food.
Decomposer
breaks down waste and dead organisms
Ecology
the study of how living things interact with each other and with their environment
Population
A group of organisms of the same species populating a an area
Ecosystem
A community of organisms and their abiotic environment
organism
an individual animal, plant, or single-celled life form
omnivore
eats both animals and plants
carnivore
an organsims that eats other animals
herbivore
a animal that only eats plants
limiting factor
prevents a population from increasing
food web
several related food chains
food chain
A series of steps in which organisms transfer energy by eating and being eaten
energy pyramid
amount of energy that moves from one feeding level to another in a food web
immigration
Moving into a population
emigration
Exit of organisms out of an area
migration
organisms move to a new location
carrying capacity
Largest number of individuals of a population that a environment can support
competition
too many organisms and not enough water, shelter, food
camouflage
organism blends into its surroundings
predator
An animal that hunts other animals for food
prey
Animal hunted or caught for food
host
An organism on which a parasite lives.
parasite
An organism that lives on or in a host and causes harm
community
All the different populations that live together
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