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Why reefs are where they are

Why reefs are where they are

World map of the tropical coral belt with six named reef locations labeled Warm-water coral reefs are built by coral polyps that secrete calcium carbonate skeletons. Inside their tissues live zooxanthellae, microscopic algae that photosynthesise and share food with the coral.

Distribution of coral reefs Lesson

  1. GCSE
  2. /Geography
  3. /Distribution of coral reefs

Step-by-step lessons on OCR A GCSE Geography Distribution of coral reefs. Each one builds up to exam-style questions. Build a solid grasp of core physical and human processes before tackling the evaluation- and decision-making-style questions used in the final papers, which carry the most marks.

Lessons