Question

1. true or false: marine ecosystems cover over 70% of the earths surface.
2. true or false: chemical pollution only includes oil spills and does not affect marine life.
3. true or false: overfishing leads to an increase in biodiversity within marine ecosystems.
4. true or false: the great pacific garbage patch is an area with minimal plastic debris.

5 true or false: marine protected areas (mpas) help to conserve marine biodiversity.

1. true or false: coral bleaching is a direct result of rising sea temperatures.

7 true or false: eutrophication is caused by a lack of nutrients in the ocean.

1. true or false: the cabo pulmo marine reserve has seen a significant recovery in fish populations since its establishment.
2. true or false: sustainable practices in fishing have no effect on marine ecosystems.
3. true or false: ocean acidification negatively impacts organisms that rely on calcium carbonate for their shells and skeletons.

Explanation:

1. Marine ecosystems cover about 71% of the Earth's surface.
2. Chemical pollution includes more than oil spills and harms marine life.
3. Overfishing reduces biodiversity.
4. The Great Pacific Garbage Patch has a large amount of plastic debris.
5. MPAs are designed to conserve marine biodiversity.
6. Rising sea temperatures cause coral bleaching.
7. Eutrophication is due to excessive nutrients.
8. The Cabo Pulmo Marine Reserve has shown fish population recovery.
9. Sustainable fishing practices positively affect marine ecosystems.
10. Ocean acidification harms calcium - carbonate - relying organisms.

Answer:

1. True
2. False
3. False
4. False
5. False
6. True
7. False
8. True
9. False
10. True