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Ecosystems
Vocabulary
18 cards·by Jeanie_Vasichek
an area where living things interact with one biotic and nonbiotic things
ecosystem
A group of organisms of the SAME species living together in an ecosystem
population
all of the populations living in an ecosystems
community
the part of an ecosystem where an organism lives
habitat
an organism's role in an ecosystem
niche
a measure of the number and variety of species in an ecosystem
diversity
living parts of an organism
biotic
nonliving parts of an ecosystem
abiotic
an organism that makes its own food
producer
a sequence of connected producers and consumers
food chain
an organism that eats other organisms
consumer
A group of connected food chains in an ecosystem
food web
A diagram that shows that energy is lost at each level in a food chain
energy pyramid
question
answer
The struggle among organisms for limited resources in an area
competition
A close relationship between organisms of different species where one or both benefit
symbiosis
An organism that benefits from its relationship with an organism that it lives in or on while
the other organism is being harmed
host
The organism that a parasite lives in or on
host