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Learning Objectives:
· How zoological gardens conserve animal species
(advantages / disadvantages / problems / solutions).
· How botanical gardens & seed banks conserve plant species.
· How nature reserves conserve habitats.…read more

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Zoos - Why have them?
· Originally created out of curiosity - achieved little in terms of
maintaining or increasing wild populations.
· Conservation is a recent aim:
preservation of genetic stock
captive breeding
reintroduction to the wild.…read more

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Zoos - The Advantages
· Well fed / protected from predators & disease.
· Can monitor health of mother & foetus.
· Transfer breeding individuals between zoos (expensive /
no guarantees).
· Gametes can be collected & stored (also from wild).
· Allows artificial insemination, IVF & surrogate mothers
(possibly different species).
· Can keep genetic records to avoid inbreeding.…read more

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Zoos - The Disadvantages
· Some programmes too successful ­ overpopulation (low
· Can't reduce birth rates ­ ageing population doesn't pass on
learnt behaviours.…read more

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Zoos - The Problems
A) Some animals don't breed in captivity
· Not natural habitat.
· Stressful ­ disrupts reproductive cycles / breeding
· Cannot chose own mate ­ rejection.…read more

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