coastal ecosystems (coral reefs and mangroves) Flashcards

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1
Q

coral reefs distribution are affected by

A

temperature (more than 18*)
light (need light for photosynthesis)
water depth (shallow water)
salinity (need salty water)

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2
Q

coral reefs

A

coral reefs are large deposits of calcium carbonate built entirely of living organisms called coral polyps

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3
Q

types of coral reefs

A
  • fringing reefs – formed around land mass
  • barrier reefs – found parallel to shore – separated by water
  • atolls – horseshoe – coral rim encircles lagoon
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