Indicator species (Edexcel GCSE Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What are indicator species used to assess?
What are indicator species used to assess?
Pollution levels in water and air
What information can indicator species provide about pollution?
What information can indicator species provide about pollution?
Presence or absence only
What is required for precise pollution measurements?
What is required for precise pollution measurements?
Chemical analysis with electronic meters
What happens to oxygen levels when raw sewage pollutes water?
What happens to oxygen levels when raw sewage pollutes water?
Oxygen levels are depleted
What do bloodworms indicate about water quality?
What do bloodworms indicate about water quality?
High level of pollution
What do stonefly nymphs indicate about water?
What do stonefly nymphs indicate about water?
Water is relatively unpolluted
Why are freshwater shrimps good pollution indicators?
Why are freshwater shrimps good pollution indicators?
Very sensitive to dissolved oxygen
What is a common source of sulfur dioxide pollution?
What is a common source of sulfur dioxide pollution?
Industrial processes and power stations
What does blackspot fungus on roses indicate?
What does blackspot fungus on roses indicate?
Clean air
Which lichen type indicates polluted air?
Which lichen type indicates polluted air?
Crusty lichen
What type of understanding do indicator species provide?
What type of understanding do indicator species provide?
Qualitative
What do electronic meters measure to show air pollution changes?
What do electronic meters measure to show air pollution changes?
Sulfur dioxide concentration