Ecosystems (AQA GCSE Geography): Flashcards
📚Flashcards
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12 cards from this deck
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Practise the cards
12 cards from this deck
What does an ecosystem include?
What does an ecosystem include?
All living and non-living parts in an area
What is a food chain?
What is a food chain?
Shows what eats what
What is a food web?
What is a food web?
Shows lots of food chains and how they overlap
What is the nutrient cycle?
What is the nutrient cycle?
Transfer of nutrients from soil to organisms and back
What does decomposition release?
What does decomposition release?
Nutrients into the soil
What are tertiary consumers?
What are tertiary consumers?
Top (apex) predators with no predators of their own
What are secondary consumers?
What are secondary consumers?
Small carnivores that prey on primary consumers
What are primary consumers?
What are primary consumers?
Herbivores that eat producers
What are producers in an ecosystem?
What are producers in an ecosystem?
Plants that form the foundation of food webs
What is the role of decomposers?
What is the role of decomposers?
Break down dead matter, return nutrients to soil
Impact of changes in an ecosystem
Impact of changes in an ecosystem
A change to one part impacts other parts
If oak trees reduce
If oak trees reduce
Beetle & caterpillar populations decrease