The Population, Resources and Pollution Model (AQA A-Level Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is carrying capacity?
What is carrying capacity?
Max population size sustainably supported
What shape is the typical population growth curve?
What shape is the typical population growth curve?
S-shaped (sigmoid) curve
What are the four main components of the PRP model cycle?
What are the four main components of the PRP model cycle?
Population, resource acquisition, use, pollution
What does positive feedback do in a system?
What does positive feedback do in a system?
Enhances changes, moves from equilibrium
What is the main function of negative feedback in biological systems?
What is the main function of negative feedback in biological systems?
Regulates system toward stable equilibrium
What is environmental resistance?
What is environmental resistance?
Combined effect of limiting factors
What are the three types of pollution identified in the PRP model?
What are the three types of pollution identified in the PRP model?
Land, water and air pollution
How does Malthusian theory compare population and food growth?
How does Malthusian theory compare population and food growth?
Population grows geometrically, food linearly
What is the positive feedback spiral between population and agriculture?
What is the positive feedback spiral between population and agriculture?
Population growth drives more food production
What happens when population exceeds carrying capacity?
What happens when population exceeds carrying capacity?
Environmental resistance increases