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30 Cards in this Set

  • Front
  • Back
Abiotic
nonliving parts of the environment
Autotroph
organism that produces its own food (plants)
Biodiversity
the variety of species in an area
Biosphere
all of Earth's ecosystems, including all of the water, land, and air in which organisms survive.
Biotic
living parts of the environment
Carnivore
an organism that eats animals
Carrying Capacity
the largest pop. of any species that an area can support
Community
a combo of all the different populations that live & interact in the same environment
Competition
the struggle between organisms for the same limited resources in a particular area
Consumer
an organism that eats producers
Decomposer
an organism, usually a bacteria or fungus, that consumes dead organisms and organic waste
Ecology
the study of how living things interact with one another and with the environment
Ecological Niche
the specific role played by an organism or a pop. of organisms in the ecosystem
Ecological Succession
the process by which an existing community is replaced by another community
Ecosystem
all the living & nonliving things that interact in a specific area
Energy Pyramid
a diagram showing how food energy moves through the ecosystem
Environment
every living & nonliving thing that surrounds an organism
Food Chain
a representation that identifies the specific feeding relationships among organisms
Food Web
a representation of many interconnected food chains that shows the feeding relationships among producers, consumers, and decomposers
Habitat
the place where an animal or plant lives
Herbivore
an organism that eats only plants
Heterotroph
an organism that eats only consumers (cant make its own food)
Host
the organism in a parasitic relationship that provides a home & or food for the parasite
Limiting Factors
any factors in the environment that limits the size of a pop.
Parisite
an organism that survives by living and feeding on other organisms
Population
all of the individuals of a single species that live in a specific area
Predator
an animal that hunts & kills other animals for food
Prey
an animal that is hunted & killed by predators
Producer
an organism that makes its own food from light energy & inorganic materials
Scavenger
a carnivore that feeds on the bodies of dead organisms