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5.6 - The Importance of Coral Reefs

Question 1 of 250 correct · 0 wrong

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The BEST way a coral reef protects a coastline is by:

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Coral reefs support fisheries mainly because they:

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Explain how coral reefs support recreation in the Caribbean.

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Which land-based activity is MOST likely to cause sedimentation that harms reefs?

✅EvaluateQuestion 5 of 25

Coral reefs are built by organisms that are best described as:

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✅EvaluateQuestion 6 of 25

One major way coral reefs protect Caribbean coasts is by:

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✅EvaluateQuestion 7 of 25

Which activity is an example of the recreation value of coral reefs?

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✅EvaluateQuestion 8 of 25

The memory aid C–FAR helps students remember that reefs provide:

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✅EvaluateQuestion 9 of 25

Which is a land-based human activity that can damage coral reefs?

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✅EvaluateQuestion 10 of 25

Which is a sea-based activity that can physically break corals?

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✅EvaluateQuestion 11 of 25

A key reason coral reefs support fisheries is that they:

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✅EvaluateQuestion 12 of 25

After a strong storm, a beach in St Lucia erodes much faster than usual. The nearby reef has been badly damaged. The MOST likely reason is that the reef now:

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✅EvaluateQuestion 13 of 25

Heavy fertiliser use on farms near a coastal plain leads to nutrient-rich runoff entering the sea. A common reef impact is:

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✅EvaluateQuestion 14 of 25

A fishing community removes many parrotfish from a reef to sell in the market. Over time, the reef is more likely to suffer because parrotfish normally:

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✅EvaluateQuestion 15 of 25

A dive operator in Tobago installs mooring buoys and tells boats not to anchor near the reef. This mainly reduces:

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✅EvaluateQuestion 16 of 25

Which statement BEST links coral reefs to livelihoods in many Caribbean islands?

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✅EvaluateQuestion 17 of 25

A new coastal road is being built. Which action would BEST reduce sediment reaching nearby coral reefs during construction?

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✅EvaluateQuestion 18 of 25

In a sheltered bay in Antigua, broken coral pieces increase near a popular swimming spot. Water is clear, but coral branches are snapped. The MOST likely cause is:

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✅EvaluateQuestion 19 of 25

A reef near a small town becomes muddy after heavy rain, and fish catches drop in the following months. Which pair of human activities BEST explains BOTH changes?

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✅EvaluateQuestion 20 of 25

A government is deciding between (1) building a long concrete seawall and (2) restoring a damaged coral reef. Which option is more likely to deliver MULTIPLE ecosystem services at once?

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✅EvaluateQuestion 21 of 25

A marine park wants to increase tourism income without damaging the reef. Which management plan is MOST suitable?

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✅EvaluateQuestion 22 of 25

Blast fishing destroys the reef crest in one area. Which outcome is MOST likely over the next storm season?

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✅EvaluateQuestion 23 of 25

Two neighbouring beaches experience the same storm surge height of 1.2 m. Beach A sits behind a healthy reef, but a channel (gap) cuts through the reef. Beach B has no reef. Which statement is MOST accurate?

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✅EvaluateQuestion 24 of 25

A teacher asks students to prove that a reef is supporting fisheries. Which evidence would be STRONGEST?

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✅EvaluateQuestion 25 of 25

A coastal lagoon in Belize shows coral decline. Tests reveal high sediment after rain and fresh anchor scars on coral heads. Which set of actions BEST targets BOTH causes?

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✅Evaluate

The BEST way a coral reef protects a coastline is by:

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