Water: Video Quiz

The video tutorial covers various aspects of oceanography, including the extent of ocean coverage on Earth, the stability of ocean water temperature, and how light penetration decreases with depth. It also discusses organisms living on the ocean floor and those that float, the water zone above the continental shelf, and the meeting points of rivers and oceans. Additionally, it highlights the characteristics of estuaries, light penetration to the ocean bottom, and the nature of swamp areas.

What percentage of the Earth's surface is covered by oceans?

• About 50%

• About 70%

• About 30%

• About 90%

How does ocean water temperature generally behave?

• It decreases rapidly

• It fluctuates wildly

• It increases with depth

• It remains relatively stable

What happens to light as ocean depth increases?

• It increases

• It remains constant

• It becomes more intense

• It decreases

What are organisms called that live on the ocean floor?

• Plankton

• Benthos

• Nekton

• Corals

Which zone consists of water above the continental shelf?

• Abyssal Zone

• Pelagic Zone

• Neritic Zone

• Benthic Zone