Exploring Marine Biomes: Video Assessment

The video tutorial introduces the marine biome, explaining its composition of water. It covers the concept of salinity, which measures dissolved salts in water. The tutorial discusses how light availability decreases with increasing ocean depth. It also describes benthic organisms that inhabit the ocean floor. Finally, it explains estuaries, where salt and fresh water mix.

What is the primary component of the marine biome?

• Air

• Water

• Ice

• Land

What does salinity measure in ocean water?

• Dissolved salts

• pH level

• Temperature

• Pressure

As ocean depth increases, what happens to the amount of light?

• It fluctuates

• It decreases

• It remains constant

• It increases

Where do benthic organisms primarily reside?

• Ocean surface

• Mid-ocean

• Ocean floor

• Coral reefs

What is the area called where saltwater and freshwater mix?

• Estuary

• Lagoon

• Reef

• Abyss