Classification and Biodiversity 2

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Convention on International Trade in Endangered Species (CITES)

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An international agreement that regulates the trade of endangered species so that their survival is not threatened and biodiversity can be maintained.

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Difference between conservation and preservation

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Conservation is the sustainable and active management of an ecosystem, whereas preservation aims to maintain an ecosystem in its current state.

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Site of Specific Scientific Interest (SSSI)

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An area of regulated and conserved land due to its natural features or the species it contains.

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Captive breeding programmes

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Plans to help ensure the survival of a species by encouraging existing members of that species to breed together in enclosures (e.g. in zoos).

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Seed banks are useful for preserving biodiversity by storing seeds in regulated environments.

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They maintain copies of important genes in the seeds which can help to prevent extinction.

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Tool used to record the abundance of different plant species in a habitat

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A quadrat.

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Tool to record the abundance of different plant species in a habitat

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A quadrat

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Importance of taking multiple readings in different areas when using quadrats

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Ensures a more accurate and representative sample of the area being studied.

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Distribution of quadrats needs to be random

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To ensure that the sample is representative of the entire area and to avoid bias in the data collection.

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Transects measure the change in the distribution of organisms in an area.

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The change in the distribution of organisms in an area