Term
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Definition
| Number of organisms of a given species in a particular area, eg number of mice in a field, number of humback whales on the planet |
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Term
| Interspecific Competition |
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Definition
| Competition between members of different species, eg competition between Balanus & Chthamalus barnacles on a rocky shore. |
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Term
| Intraspecific Competition |
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Definition
| Competition between members of the same species, eg competition between frogs (eg Rana rana) in a pond. |
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Term
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Definition
| Maximum growth rate a population can achieve. The population doubles every generation. |
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Term
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Definition
| Maximum number of individuals of a particular species that can be supported indefintely by a given part of the environment. |
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Term
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Definition
| Phase of a growth curve where a species is acclimatising to its surroundings, absorbing nutrients, growing, producing organelles etc (in the case of a microbial culture) |
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Term
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Definition
| Phase of exponential growth when nutrients are plentiful and toxic products have not built up to dangerous levels. |
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Term
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Definition
| Phase in a growth curve when birth rate = death rate. Toxic products are building up to toxic levels, nutrients are scarce. |
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Term
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Definition
| Phase in a growth curve when death rate is greater than birth rate. Population decreases due to toxic products, lack of nutrients. |
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Term
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Definition
| 'Living' factors affecting populations. |
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