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30 Cards in this Set
- Front
- Back
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Nonliving parts of the environment |
Abiotic |
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An organism that produces its own food; the source of energy for all other living things on earth |
Autotroph |
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The variety of species in an area |
Biodiversity |
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The living parts of the environment |
Biotic |
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An organism that survives by eating animals |
Carnivore |
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The largest population of any single species that an area can support |
Carrying capacity |
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A combination of all the different populations that live and interact in the same environment |
Community |
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The struggle between organisms for the same limited resources in a particular area |
Competition |
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An organism that obtains its energy from producers |
Consumer |
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An organism, generally a bacterium or fungus, that consumes dead organisms and organic waste |
Decomposer |
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The specific role played by an organism or a population of organisms in the ecosystem |
Ecological niche |
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The process by which an existing community is replaced by another community |
Ecological succession |
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The study of how living things interact with one another and with their environment |
Ecology |
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All the living and nonliving things that interact in a specific area; a subdivision of the environment |
Ecosystem |
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A diagram showing how food energy moves through the ecosystem |
Energy pyramid |
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Every living and nonliving thing that surrounds an organism |
Environment |
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Limited; able to be used up |
Finite |
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A representation that identifies the specific feeding relationships among organisms |
Food chain |
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A representation of many interconnected food chains that shows the feeding relationships among producers consumers and decomposers |
Food web |
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The place where an animal or plant lives |
Habitat |
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An organism that eats only plants |
Herbivore |
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Organism that cannot make its own food; a consumer |
Heterotroph |
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The organism in a parasitic relationship that provides a home and/or food for the parasite |
Host |
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Any factor in the environment that limits the size of a population |
Limiting factors |
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An organism that survives by living and feeding on other organisms |
Parasite |
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All the individuals of a single species that live in a specific area |
Population |
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An animal that hunts and kills other animals for food |
Predator |
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An animal that is hunted and killed by predators |
Prey |
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An organism that makes its own food from light energy and inorganic materials |
Producer |
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A carnivore that feeds on the bodies of dead organisms |
Scavenger |
