Reasons for Maintaining Biodiversity (OCR A-Level Biology A): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What are the four main categories of reasons for maintaining biodiversity?
What are the four main categories of reasons for maintaining biodiversity?
Ecological, economic, agricultural, aesthetic
What is resilience in the context of ecosystem stability?
What is resilience in the context of ecosystem stability?
Ability to recover after damage
What defines a keystone species?
What defines a keystone species?
Impact > population size would suggest
What happened when Pacific sea otters were overhunted?
What happened when Pacific sea otters were overhunted?
Sea urchin populations exploded
What percentage of tree species would disappear without forest elephants?
What percentage of tree species would disappear without forest elephants?
30%
What are trophic cascades?
What are trophic cascades?
Effects from predators to producers
Which bacterium provides heat-stable DNA polymerase used in PCR?
Which bacterium provides heat-stable DNA polymerase used in PCR?
Thermus aquaticus
What effect do monocultures have on soil?
What effect do monocultures have on soil?
Reduce soil biodiversity significantly
What is biophilia?
What is biophilia?
Innate human love of nature
What are umbrella species?
What are umbrella species?
Species whose conservation protects others