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16 Cards in this Set
- Front
- Back
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Habitat |
The place where an organism lives |
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Population |
All the organisms of one species in a habitat |
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Community |
Populations of different species in a habitat make up a community |
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Ecosystem |
A community, plus all the non-living (abiotic) conditions in the area in which it lives. Ecosystems can be small or large. |
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Abiotic conditions |
The non-living features of the ecosystem |
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Biotic conditions |
The living features of the ecosystem |
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Njche |
The role of a species within its habitat |
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Adaptation |
A feature that members of a species have thhat increases their chance of survival |
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Describe random sampling |
Choose an area to sample Samples should be ranfomto avoid bias. Use a quadrat, transect or the process of Mark-Release-Recapture |
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Equation for Mark-Release-Recapture |
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What is succession? |
The process by which an ecosystem changes over time |
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Primary succession |
This happens on land that's been newly formed or exposed. There's no soil or organic material to start with |
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Secondary succession |
This happens on land that's just been cleared of all the plants, but where soil remains |
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What is the final stage of succession called? |
The climax community |
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What is a plagioclimax |
When succession is stopped artificially, the climax community is called a plagioclimax |
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Ways to manage succession by conservation |
Allowing animals to graze Managed fire are lit |
