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Ecology
Chapter 4,5,6 words
19
Biology
9th Grade
04/15/2013

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Term
Ecosystem
Definition
A community of of organisms and their physical environment.
Term
Community
Definition
A group of species various that live in the same place and interact with one another.
Term
Habitat
Definition
A place where an organism lives.
Term
Biodiversity
Definition
A variety of different organisms in a given area.
Term
Succession
Definition
The replacement of one community by another in a place in a period of time.
Term
Climate
Definition
Average weather conditions in an area.
Term
Biome
Definition
A large region characterized by a specific kind of climate and certain types of plants and animals.
Term
Producers
Definition
The basic food source for an ecosystem.
Term
consumers
Definition
An organism that eats other organisms.
Term
Decomposers
Definition
Break down the remains of dead animals.
Term
Trophic Level
Definition
Transfer of energy in an ecosystem.
Term
Energy Pyramid
Definition
A diagram that shows the energy passing through the ecosystem.
Term
Carbon Cycle
Definition
The continuous movement of carbon from a nonliving environment.
Term
Respiration
Definition
The process of exchanging oxygen and co2 between organisms and their environment.
Term
Nitrogen Cycle
Definition
The process in which nitrogen circulates around water, air, soil, and organisms in an ecosystem.
Term
Phosphorus Cycle
Definition
The movement of Phosphorus in chemical forms.
Term
Population
Definition
A group of organisms in the same species that live together in one place.
Term
Carrying Capacity
Definition
The largest population an area can support at any given time.
Term
Predation
Definition
The act of one organism to kill another organism for food.
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