AQA 8461 GCSE Biology Ecology Quest
Question 1
Questions:
Question 2
Q1. Knowledge Recall (1 mark)
Define the term "community".
Question 3
Q2. Knowledge Recall (2 marks)
State two abiotic factors that affect the distribution of organisms in an ecosystem.
Question 4
Q3. Application (3 marks)
Explain how deforestation can affect the carbon cycle.
Question 5
Q4. Application (2 marks)
Describe the role of decomposers in a food chain.
Question 6
Q5. Extended Response (4 marks)
Explain the importance of biodiversity in maintaining the stability of an ecosystem.
Question 7
Q6. Knowledge Recall (1 mark)
Define the term "producer".
Question 8
Q7. Knowledge Recall (2 marks)
State the first two trophic levels in a food web.
Question 9
Q8. Application (3 marks)
Explain how human activities can impact the biomass of a population.
Question 10
Q9. Extended Response (4 marks)
Describe the concept of sustainable development and discuss how it can be applied to an ecosystem.
Question 11
Q10. Application (2 marks)
Explain how abiotic factors can influence the habitat selection of a species.
Mark Schemes: