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Stack #3897045
| Term | Definition |
|---|---|
| Ecology | the study of the interactions of living organisms with one another and with their environment |
| Ecosystem | a community of organisms and their abiotic environment |
| Biome | a large region characterized by a specific type of climate and certain types of plant and animal communities |
| Biodiversity | the variety of organisms in a given area, the genetic variation within a population, the variety of species in a community, or the variety of communities in an ecosystem |
| Abiotic | describes the nonliving part of the environment, including water, rocks, light, and temperature |
| Autotroph | an organism that produces its own nutrients from inorganic substances or from the environment instead of consuming other organisms |
| Carnivore | an organism that eats animals |
| Community | a group of various species that live in the same habitat and interact with each other |
| Consumer | an organism that eats other organisms or organic matter instead of producing its own nutrients or obtaining nutrients from inorganic sources |
| Decomposer | an organism that feeds by breaking down organic matter from dead organisms; examples include bacteria and fungi |
| Detritivore | a consumer that feeds on dead plants and animals |
| Food chain | the pathway of energy transfer through various stages as a result of the feeding patterns of a series of organisms |
| Food web | a diagram that shows the feeding relationships between organisms in an ecosystem |
| Heterotroph | an organism that obtains organic food molecules by eating other organisms or their byproducts and that cannot synthesize organic compounds from inorganic materials |
| Herbivore | an organism that eats only plants |
| Omnivore | an organism that eats both plants and animals |
| Producer | an organism that can make organic molecules from inorganic molecules; a photosynthetic or chemosynthetic autotroph that serves as the basic food source in an ecosystem |
| Trophic level | one of the steps in a food chain or food pyramid; examples include producers and primary, secondary, and tertiary consumers |
| Chemosynthesis | the production of carbohydrates through the use of energy from inorganic molecules instead of light |
| Keystone species | a species that is critical to the functioning of the ecosystem in which it lives because it affects the survival and abundance of many other species in its community |
| Biotic | describes living factors in the environment |
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Abriel>w
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