Maintaining biodiversity (AQA GCSE Biology Combined Science): Flashcards
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What is reforestation?
What is reforestation?
Planting new trees to replace cut-down forests
4 reasons to maintain biodiversity
4 reasons to maintain biodiversity
Moral, aesthetic, ecosystem structure, value to humans
Interdependence in ecosystems
Interdependence in ecosystems
All organisms in an ecosystem depend on each other
Conservation programme examples
Conservation programme examples
Protect habitats, replant hedgerows, recycle, reduce deforestation
3 advantages of reforestation
3 advantages of reforestation
Restores habitat, reduces soil erosion, helps reduce CO2
Extinction definition
Extinction definition
No living individuals of a species remain
Endangered species meaning
Endangered species meaning
Species facing high risk of extinction in near future
Purpose of breeding programmes
Purpose of breeding programmes
Increase population numbers and avoid inbreeding
Inbreeding meaning
Inbreeding meaning
Breeding between closely related individuals
Why large carnivores monitor biodiversity
Why large carnivores monitor biodiversity
Their presence suggests many other species exist (need lots of prey)