Topic 4 - conservation and genetic diversity

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What s the first role of the zoo?
Education
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What are people informed about?
the illegal trade, maintain biodiversity and captive breeding programmes
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What is the second role of zoos?
zoos and unis can work together on projects that are benefit to the conservation of animals
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What is the role of captive breeding programmes?
designed to encourage endangered species to breed
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why?
so that the numbers increase and reduce the risk of extinction
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What are the risks associated with interbreding?
Reduced genetic diversity and reduced chance of adapting to environmental change
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What does it increase the risk of?
genetic condition becoming more common in the breeding population
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What are three techniques used to reduce inbreeding?
do not allow the organism to repeatedly breed with the same partner, select partner by IVF and zoo swapping and Keep a record of individuals in capacity and their breeding history, e.g. stud books
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Why are seeds stored?
less space is required, easier to store and more cost effective
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what is the first step of seed banks?
seeds collected from a number of indivual plants
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What is the second step?
Seeds are x-rayed to check for fully formed embryos
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then?
Seeds dried to remove water
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What temp are seeds stored at ?
-20 degrees celsius
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What happens regularly?
seeds periodically germinated to check viability
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Card 2

Front

What are people informed about?

Back

the illegal trade, maintain biodiversity and captive breeding programmes

Card 3

Front

What is the second role of zoos?

Back

Preview of the front of card 3

Card 4

Front

What is the role of captive breeding programmes?

Back

Preview of the front of card 4

Card 5

Front

why?

Back

Preview of the front of card 5
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