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SingaporeGeographyQuick questions
Coastal Environments
Quick questions on Coral reefs and mangrove coasts 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 is conditions for coral reef growth?Show answer
Reef-building (hermatypic) corals live in symbiosis with zooxanthellae, algae in their tissues that photosynthesise and supply most of the coral's energy. This symbiosis sets the conditions:
What is conditions for mangrove growth?Show answer
Mangroves are salt-tolerant trees of sheltered tropical and subtropical intertidal zones. They thrive where:
What is q1?Show answer
Explain why coral reefs are confined to shallow tropical seas. [3 marks]
What is q2?Show answer
Explain how mangroves reduce coastal erosion. [2 marks]
What is q3?Show answer
Explain why coral bleaching threatens the survival of a reef. [3 marks]
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