Interactions Between Populations (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 is interspecific competition?
What is interspecific competition?
Competition between different species
What percentage of the world's English bluebell population is found in the UK?
What percentage of the world's English bluebell population is found in the UK?
50%
What competitive advantage do Spanish bluebells have over English bluebells?
What competitive advantage do Spanish bluebells have over English bluebells?
They flower earlier
How does Balanus compete with Chthamalus barnacles?
How does Balanus compete with Chthamalus barnacles?
Grows over or lifts them from rocks
What happens when two species compete for identical resources in the same niche?
What happens when two species compete for identical resources in the same niche?
One outcompetes; the other is excluded
How do zebra and wildebeest partition grazing resources?
How do zebra and wildebeest partition grazing resources?
Zebra eat tough parts; wildebeest eat soft
What is character displacement?
What is character displacement?
Physical differences where species coexist
How often do lynx and snowshoe hare populations peak in their cycle?
How often do lynx and snowshoe hare populations peak in their cycle?
Every 10 years
What does 'bottom-up' control refer to in population regulation?
What does 'bottom-up' control refer to in population regulation?
Food supply limiting population growth
What size mussels do shore crabs prefer when feeding?
What size mussels do shore crabs prefer when feeding?
Intermediate-sized mussels