Ecosystems

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15 terms

individual

a single organism in an environment

population

organisms of the same kind living in the same environment

community

all the populations of organisms living together in an environment

ecosystem

part of the environment and its physical environment

habitat

populations live in a certain part of an ecosystem

niche

the role of a population

producers

captures energy from the sun and stores it in tissue, and passes it on to other organisms.
example: plants

consumers

an organism that obtains energy and nutrients by feeding on other organisms or their remains.
example: all animals

food chain

show how organisms are related to one another according to what they eat

food web

relationships between food chains

symbosis

long-term relationship between different kinds of organisms

endangered

having a population that is so small that it is likely to disappear

learned behaviors

behaviors animals are taught or acquire after birth

competition

due to limited resources, there is this among organisms

instinct

behavior that an organism inherits

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