Term
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Definition
| Non living factors in an ecosystem (including tempreture, apect, topology, edaphic featurers, catastophies, light intensity, etc) |
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Term
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Definition
| Number of a particular population in a given area |
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Term
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Definition
| Numerical scale representing actual abundance used to plot data |
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Term
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Definition
| Factors affecting ecosystems arising from human activity |
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Term
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Definition
| Living factors in an ecosystem |
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Term
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Definition
| Final stable community at the end of the proces of sucession |
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Term
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Definition
| When sucession is not completed, due to human activity |
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Term
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Definition
| Factors that have a greater effect on the population when the population is large |
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Term
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Definition
| Description of where a particular species can be found |
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Term
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Definition
| Interaction between the living and non-living componants in a given area. |
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Term
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Definition
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Term
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Definition
| Type of feeding relationship between a herbivore and plants. |
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Term
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Definition
| Place where an organism lives, e.g. in canopy of forrests, under stones, inside tree bark |
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Term
| Interspecific competition |
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Definition
| Competition for resources between organisms of different species |
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Term
| Intraspecific competition |
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Definition
| Competition for resources between organisms of the same species. |
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Term
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Definition
| Type of bar chart representing distribution and abundance of organisms |
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Term
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Definition
| Feeding/living arangement between two organisms where both benefit |
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Term
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Definition
| Description of the relational position of a species in its ecosystem |
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Term
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Definition
| Structure that closes the aperture of periwinkles, preventing dessication |
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Term
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Definition
| Relationship where one organism feeds from the other living organism |
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Term
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Definition
| First species to colonise bare rock |
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Term
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Definition
| Feeding relationship where one organism kills and eats the other |
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Term
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Definition
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Term
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Definition
| Sucession which occurs in an area where no previous species existed |
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Term
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Definition
| Square frame of known area usually 1m2 or 0.25m2 |
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Term
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Definition
| Succession that occurs on land that has been cleared where communities existed before |
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Term
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Definition
| Communities that develop during sucession between the pioneer community and the climax community |
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Term
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Definition
| Animal that does not move, e.g. it attaches to rocks |
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Term
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Definition
| Measure of the spread of data about a mean |
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Term
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Definition
| Process of changes in community over time brought about by the changes in abiotic factors caused by the previous communities |
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Term
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Definition
| Description of the profile of an area, including altitude, slope, aspect and drainage |
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Term
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Definition
| Description of the profile od an area, including altitude, slope, aspect and drainage |
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Term
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Definition
| Line across an area to be investigated |
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Term
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Definition
| Feeding level in a food chain or web |
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Term
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Definition
| Adaptations of plants that enable them to survive dry conditions |
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Term
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Definition
| The individuals of all the species that live in a particular area |
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Term
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Definition
| A group of individuals of the same species found in an area |
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