Human Impact on the Ocean Flashcard

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What are marine protected areas (MPAs)?

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Designated regions in oceans where human activity is restricted to protect marine ecosystems and biodiversity.

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How do marine protected areas help combat ocean acidification?

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By preserving ecosystems that absorb carbon dioxide.

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What is overfishing?

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The practice of catching fish at a rate faster than they can reproduce, leading to a decline in fish populations.

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What is a consequence of overfishing on the food web?

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Decreased biodiversity and imbalance in the ecosystem.

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What happens to ocean salinity when polar ice caps melt?

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It decreases due to the influx of freshwater from melting ice.

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What is plastic pollution?

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The accumulation of plastic products in the environment, particularly in oceans, harming marine life.

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What strategy can help reduce plastic pollution in oceans?

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Banning the disposal of plastics into water bodies.

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How does carbon dioxide absorption affect marine shell-building organisms?

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It hampers their ability to build shells.

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What is ocean acidification?

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The decrease in pH levels of the ocean due to increased carbon dioxide absorption.

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What are apex predators?

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Top predators in a food web that have few or no natural enemies.