Skip to content

Course home

Distribution of coral reefs

How do tiny coral polyps form the physical structure of a massive reef?

A

They extract calcium phosphate from seawater to build a hard inner skeleton.

B

They extract calcium carbonate from seawater to build a hard outer skeleton.

C

They extract sodium chloride from seawater to build a hard inner shell.

D

They extract silicon dioxide from seawater to build a hard outer shell.

Distribution of coral reefs Flashcards

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

Flashcards for OCR A GCSE Geography Distribution of coral reefs, covering the key terms, case studies and geographical processes you need to recall for Component 01, Component 02 and Component 03. 21 cards, matched to the OCR A GCSE Geography (J383) specification. Recall questions account for roughly 15% of marks at GCSE Geography, so these target the marks you can secure before the paper starts.