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20 terms

Principles of Ecosystems

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herbivore
eats only plants
carnivore
eats only animals
omnivore
eats both plants & animals
consumer
eats other organisms
producer
makes its own energy
food web
includes complex feeding relationships
food chain
includes 1 simple feeding relationship
population
same species in 1 area
community
the various species in 1 area
ecosystem
all living and nonliving things in 1 area
biome
regional or global ecosystems
detritivore
eats dead organic matter
decomposer
returns organic material back to the environment
biodiversity
the variety of living things in an ecosystem
generalist
eats many types of food
specialist
eats one or very few types of food
biotic
living things in an ecosystem
abiotic
nonliving things in an ecosystem
keystone species
a species very important to its ecosystem
ecology
the study of interactions among living things & their surroundings