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Definition
| the process by which chemical substances become more concentrated at each trophic level |
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Definition
| a group of populations of organisms living and interacting with each other in a habitat |
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Definition
| the study of relationships between living organisms and their environment - a community and its abiotic environment |
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Definition
| a natural unit of biotic and abiotic components |
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Definition
| the locality or surroundings in which an organism normally lives or the location of a living organism |
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Definition
| a group of organisms of the same species which live in the same habitat at the same time |
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Definition
| the total amount of organic matter produced |
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Definition
| the organic mtter of organisms less the amount needed to fuel respiration |
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Definition
| a group of individuals of common ancestry that closely resemble each other and that are normally capable of interbreeding to produce fertile offspring |
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Term
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Definition
| a level in a food chain defined by the method of obtaining food and in which all organisms are the same number of energy transfers from the original source of energy (photosynthesis) |
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