Maintaining Biodiversity (OCR GCSE Biology A, Combined (Gateway Science Suite)): Flashcards

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Maintaining Biodiversity
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Positive impact: Maintaining rainforests

Protects critical habitats from destruction

Positive impact: Reducing water pollution

Monitors & minimizes pollutants to protect aquatic ecosystems

Positive impact: Preserving areas of scientific interest

Restricts human access to protect sensitive ecosystems

Positive impact: Replanting hedgerows & woodlands

Restores habitats that were previously destroyed

Negative impact: Greenhouse gas emissions

Causes global warming, leading to habitat loss

Negative impact: Acid rain

Caused by sulfur dioxide emissions from factories, damages habitats

Negative impact: Chemical pollution from farming

Pesticides & fertilizers leach into environment, harm wildlife

Negative impact: Land clearance for development

Reduces number of available habitats

Purpose of breeding programs

Prevent endangered species extinction by increasing populations

Purpose of protecting rare habitats

Safeguard habitats with unique species to prevent extinction

Purpose of reintroducing hedgerows & field margins

Create habitats for variety of organisms in agricultural areas

Definition of monoculture

Growing only one type of crop

Benefit of reducing deforestation & CO2CO_2 emissions

Slows global warming, reduces rate of habitat destruction

Benefits of recycling

Decreases land for waste, conserves resources, reduces pollution

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