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Hedgehog oyster quiz: what is its impact on Mediterranean ecosystems

1. From what geographical area does the curly oyster originate?

Indo-Pacific Red Sea Atlantic Mediterranean

2. What kind of organism is the curly oyster?

Fish Bivalve mollusk Crustacean annelid

3. Where does the curly oyster stick?

Sandy bottoms Algae Rocks and other marine organisms Coral reefs

4. What is one of the negative effects of curly oyster proliferation?

Increase in water temperature Decrease in salinity Smothering of native species Reduction in oxygen levels

5. How can the curly oyster alter marine ecosystems?

Improving water quality Altering natural balances and choking other species Reducing coastal erosion Encouraging algae growth

6. What is the scientific name of the curly oyster?

Mytilus edulis Spondylus Ostrea edulis Pinctada margaritifera

7. What impact does the proliferation of the curly oyster have on native species?

It increases their population It can suffocate them It has no impact It helps them grow

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