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Description
Flashcards by Elena Cade, updated more than 1 year ago
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Created by Elena Cade
over 8 years ago
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| Question | Answer |
| Definition of Population: | All the organisms of one particular organisms living in a particular habitat |
| Definition of Community: | The total number of living organisms in a particular ecosystem or habitat |
| Definition of Habitat: | The part of an ecosystem in which an organism lives |
| Definition of Ecosystem: | A group of interrelated organisms and their physical environment |
| Definition of Niche: | Where an organism lives and what it does there - a description of how an organism fits into its environment e.g feeding, breeding etc. |
| Definition of Biotic factors: | The effects of the activities of living organisms on other organisms. |
| Definition of Abiotic factors: | The non-living, physical conditions of an ecosystem. |
| Definition of Competition: | A relationship between different organisms requiring the same resource, one organism/population can out compete another. |
| What is Intraspecific competition? | Competition between animals of the same species. |
| What is Interspecific competition? | Competition between members of different species. |
| Resources animals frequently compete for? | Food, Water, Space, Breeding. |
| Resources plants frequently compete for? | Mineral ions, Water, Light, Space. |
| What is the Lotka-Volterra model? | Model used to understand predator-prey relationships in regards to population. |
| Factors effecting birth rates of humans: | Contraception Medical care Political change Economic change Religion Female emancipation |
| Factors affecting human death rates: | Conflict Natural disaster Life expectancy Disease Medical care Resources Sanitation Infant mortality |
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