Human Impact on Biodiversity (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
Which type of ecosystem typically shows higher levels of species diversity?
Which type of ecosystem typically shows higher levels of species diversity?
Natural ecosystems
What do farmers select in crops and livestock that reduces genetic diversity?
What do farmers select in crops and livestock that reduces genetic diversity?
Specific productive qualities
Why do wild species struggle to survive in agricultural areas?
Why do wild species struggle to survive in agricultural areas?
Limited biomass creates competition
Over what time period has UK food output doubled?
Over what time period has UK food output doubled?
Past 40 years
What are monocultures in agricultural practice?
What are monocultures in agricultural practice?
Single crop species replacing diversity
Which hedge profile shape provides superior habitat conditions for wildlife?
Which hedge profile shape provides superior habitat conditions for wildlife?
A-shaped profile
What are conservation headlands?
What are conservation headlands?
Field edges with restricted pesticide use
How much higher are current extinction rates compared to natural background rates?
How much higher are current extinction rates compared to natural background rates?
100-1000 times higher
What percentage of UK hay meadows have declined since 1900?
What percentage of UK hay meadows have declined since 1900?
95%
What type of crops in rotation helps improve soil fertility naturally?
What type of crops in rotation helps improve soil fertility naturally?
Nitrogen-fixing crops
