Conservation is important because it can protect...
1) Our food supply 2) Plants and animals that may be useful for medical uses 3) Organisms and habitats that people enjoy to visit and study 4) Also, prevents damage to food chains
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Species are at risk of extinction if...
No. of individuals or habitats falls below critical levels
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Factors considered when trying to conserve species...
1) Size of population 2) No. of suitable habitats available for them 3) Competition from other species
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Whales are kept in captivity for...
1) Research 2) Captive breeding programmes 3) Entertainment
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Why do scientists believe there is a need to kill some whales?
So they can find out about how whales can survive at extreme depths
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What can be studied about whales while they are still alive?
Migration patterns and whale communication
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Examples of sustainable development...
1) Fishing quotas (so enough fish left to breed) 2) Woods are replanted (so supply of trees are kept)
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Whale TEETH used for...
Buttons
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Whale SKIN used for...
Belts
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Whale SINEWS used for...
Tennis rackets
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Whale LIVER used for...
Oil
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Whale OIL used for...
Candles
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Whale BONE used for...
Fertilisers
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What is sustainable development?
Taking enough resources from the environment to meet current needs while leaving enough for the future
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It is necessary to carry out sustainable development as population increases because...
1) Fossil fuels will run out (demand for energy) 2) Food will need to be supplied to growing populations (without destroying large areas of natural habitats) 3) Waste needs to be disposed of (pollution)
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Other cards in this set
Card 2
Front
No. of individuals or habitats falls below critical levels
Back
Species are at risk of extinction if...
Card 3
Front
1) Size of population 2) No. of suitable habitats available for them 3) Competition from other species
Back
Card 4
Front
1) Research 2) Captive breeding programmes 3) Entertainment
Back
Card 5
Front
So they can find out about how whales can survive at extreme depths
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