Term
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Definition
| study of how organisms interact |
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Term
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Definition
| group of individuals that interbreed |
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Term
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Definition
| member of the same species in the same area |
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Term
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Definition
| all of the populations in one area |
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Term
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Definition
| all living things and their environment |
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Term
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Definition
| all parts of earth that have life |
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Term
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Definition
| – parts of a ecosystem that are living or once living |
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Term
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Definition
| part of ecosystem that has never been living |
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Term
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Definition
| specific environment that ant organism lives |
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Term
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Definition
| anything a organism needs |
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Term
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Definition
| number of individual organisms present in a given time |
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Term
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Definition
| number of individuals within a population |
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Term
| 13. Population distribution |
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Definition
| how organisms are arranged in a area |
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Term
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Definition
| relative number of organisms if each age within a population |
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Term
| 15. Age Structure diagram |
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Definition
| – chart that shows the age distribution of a population |
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Term
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Definition
| proportion of males to females in a population |
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Term
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Definition
| graph showing the likelihood of survival within a group or population by age |
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Term
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Definition
| movement of individual away from a given area |
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Term
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Definition
| pattern of population growth in which a population increases by a fixed percentage each year |
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Term
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Definition
| characteristics of environment that restrict population growth |
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Term
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Definition
| largest population a given environment can support |
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Term
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Definition
| pattern of population growth in which exponential growth is slowed and finally stopped by limiting factors |
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Term
| 24. Density-dependent factor |
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Definition
| limiting factor whose influence changes with population density includes competition predation and disease |
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Term
| 25. Density-independent factor |
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Definition
| limiting facton whose influence is not effected by population density |
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Term
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Definition
| growth rate of a population under ideal conditions |
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