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5.7 - Mangroves

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✅EvaluateQuestion 1 of 21

Which statement BEST describes a mangrove ecosystem?

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✅EvaluateQuestion 2 of 21

Mangroves help protect tropical coastlines mainly by

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✅EvaluateQuestion 3 of 21

Which of the following is a direct benefit of mangroves to fisheries?

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✅EvaluateQuestion 4 of 21

A major reason mangroves can survive in salty water is that they are

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✅EvaluateQuestion 5 of 21

Which human activity is MOST likely to destroy mangroves directly?

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✅EvaluateQuestion 6 of 21

Mangroves are important for wildlife because they

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✅EvaluateQuestion 7 of 21

Which term BEST matches what mangrove roots do to muddy coastal water?

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✅EvaluateQuestion 8 of 21

A coastal village removes mangroves to widen a beach for tourism. Which outcome is MOST likely during storm season?

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✅EvaluateQuestion 9 of 21

In a mangrove area, water is calm and muddy and the tide rises and falls daily. This environment is BEST described as

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✅EvaluateQuestion 10 of 21

A river drains farmland into a mangrove lagoon. After heavy rain, the lagoon becomes cloudy and algae increases. The MOST likely cause is

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✅EvaluateQuestion 11 of 21

Which combination BEST shows how mangroves support the marine ecosystem?

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✅EvaluateQuestion 12 of 21

A student claims: ‘Mangroves only matter for land animals.’ Which evidence BEST challenges this claim?

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✅EvaluateQuestion 13 of 21

Which management action is MOST effective at reducing land-based damage to mangroves?

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✅EvaluateQuestion 14 of 21

Mangroves often reduce coastal erosion because their roots

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✅EvaluateQuestion 15 of 21

A coastal planning team must choose ONE site for a mangrove restoration project. Which site is MOST suitable?

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✅EvaluateQuestion 16 of 21

A new road blocks tidal flow into a mangrove swamp. Over time, what is the MOST likely impact on the mangroves?

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✅EvaluateQuestion 17 of 21

Two Caribbean coasts are compared after a hurricane: Coast X has wide mangrove belts; Coast Y has none. Which conclusion is MOST reasonable?

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✅EvaluateQuestion 18 of 21

A fishery declines in a bay even though fishing effort stays the same. The mangroves were recently cleared for development. What is the BEST explanation?

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✅EvaluateQuestion 19 of 21

Which chain of effects is MOST accurate when mangroves are removed from a coastline?

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✅EvaluateQuestion 20 of 21

A coastal student survey reports: (i) more shoreline retreat, (ii) fewer crabs and juvenile fish, and (iii) murkier water after construction upstream. Which cause BEST fits all three observations?

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✅EvaluateQuestion 21 of 21

A class proposes two actions to protect mangroves: (1) ban sand mining near mangrove shorelines, (2) enforce boat-speed limits in mangrove channels. Which statement BEST justifies BOTH actions?

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✅EvaluateQuestion 1 of 21

Which statement BEST describes a mangrove ecosystem?

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