Marine Science Semester 1 Exam Review

Front

In 1400, which country had the most advanced naval fleet?

Back

China

Front

What common navigation method did all ancient seafaring societies use?

Back

They used the stars for navigation.

Front

Are eastern boundary currents, such as the Canary current, cold?

Back

True

Front

Which color of light penetrates deepest into ocean water?

Back

Blue

Front

Is seawater slightly more acidic than freshwater?

Back

False

Front

What is the primary reason for the ocean's blue color?

Back

The absorption and scattering of light by water.

Front

What is the significance of the thermocline in marine environments?

Back

It is a layer in the ocean where temperature changes rapidly with depth.

Front

Define 'salinity' in the context of ocean water.

Back

Salinity is the concentration of salts in water, typically expressed in parts per thousand (ppt).

Front

What role do phytoplankton play in marine ecosystems?

Back

They are primary producers that convert sunlight into energy through photosynthesis.

Front

What is the Coriolis effect and how does it influence ocean currents?

Back

The Coriolis effect is the deflection of moving objects caused by the rotation of the Earth, influencing the direction of ocean currents.