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Chapter 15- Ecology
Honors Biology
13
Biology
9th Grade
08/22/2013

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Term
organism
Definition
an individual living thing
Term
population
Definition
a group of the same species that lives in one area
Term
community
Definition
a group of different species that live together in one area
Term
biome
Definition
a major regional or global community of organisms
Term
ecosystem
Definition
all of the living organisms that live in a particular place and all of the non-living
Term
biosphere
Definition
contains all the portions of the planet where life exists
Term
biotic factor
Definition
living
Term
abiotic factor
Definition
non-living
Term
biodiversity
Definition
the assortment of living things in an ecosystem
Term
autotrophs
Definition
organisms that get their energy from nonliving resources
Term
heterotrophs
Definition
organisms that get their energy by eating other organisms
Term
food web
Definition
a model that illustrates complex feeding relationships and energy from within and even beyond an ecosystem
Term
primary consumer
Definition
herbivore
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