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12 Cards in this Set
- Front
- Back
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environment |
refers to the conditions that exist in a habitat and act on organisms living there |
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population |
consists of all the members of one species living in a habitat at a given time - growth determined by environmental factors |
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Community |
consists of all the different species living in a habitat at a given time |
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tolerance range |
refers to the extent of variation in an environmental factor within which a particular kind of organism can survive |
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birth rate |
number of organisms born over a given period in a population |
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carrying capactity |
stabilised size reached by a given population in a given habitat |
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competition |
interaction between individuals of the same or different species that use one or more of the same resources in the same ecosystem |
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dominant species |
most common species in a given habitat |
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environmental factors |
external agents, biotic and abiotic, that act and interact to produce the environment in a habitat at a given time |
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habitat |
part of an ecosystem in which an organism lives, feeds and reproduces |
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niche |
way of life of an organism in an ecosystem; role of a species in a community |
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niche overlap |
situation in an ecosystem in which different species ate in competition or the same energy and space resources; in reality, niche overlap in natural ecosystems is typically zero or minimal |
