Ecosystems (OCR GCSE Geography A (Geographical Themes)): Quizzes
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12 questions from this quiz
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Practise the questions
12 questions from this quiz
What does an ecosystem include?
What does an ecosystem include?
All living & non-living parts in an area
What is the difference between a food chain and a food web?
What is the difference between a food chain and a food web?
A food web shows overlapping food chains
What happens when dead material is decomposed?
What happens when dead material is decomposed?
Nutrients are released into the soil
How are nutrients returned to the soil?
How are nutrients returned to the soil?
When plants or consumers die
What are tertiary consumers?
What are tertiary consumers?
Top predators with no predators of own
What are secondary consumers?
What are secondary consumers?
Small carnivores preying on herbivores
What are primary consumers?
What are primary consumers?
Herbivores that eat producers
What role do producers play in an ecosystem?
What role do producers play in an ecosystem?
They form the foundation of food webs
What is the role of decomposers?
What is the role of decomposers?
They break down dead organic matter
What happens when one part of an ecosystem changes?
What happens when one part of an ecosystem changes?
It has an impact on other parts
Why would a reduction in oak trees decrease beetle & caterpillar populations?
Why would a reduction in oak trees decrease beetle & caterpillar populations?
Beetles & caterpillars rely on oaks for food
If beetles & caterpillars decline, what happens to woodpeckers?
If beetles & caterpillars decline, what happens to woodpeckers?
Woodpecker numbers decline