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SingaporeGeographyQuick questions
Tropical Ecosystems and Biodiversity
Quick questions on Rainforest nutrient cycling and energy flow explained: H2 Geography
5short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What are energy flow through trophic levels?Show answer
Energy enters as sunlight and moves along food chains:
What is the nutrient cycle?Show answer
The nutrient cycle is best described with three stores and the transfers between them (the Gersmehl model):
What is q1?Show answer
Name the three nutrient stores in the Gersmehl model and the transfer between biomass and litter. [3 marks]
What is q2?Show answer
Explain why only about four or five trophic levels exist in a rainforest. [2 marks]
What is q3?Show answer
Explain why the soil store of nutrients is small in a tropical rainforest. [3 marks]
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