2024 Marine Sem. 1 Exam Review

Front

In which ocean is the majority of the Earth's volcanic activity found?

Back

Pacific Ocean

Front

What percentage of the ocean is taken up by coral reefs?

Back

Less than one percent

Front

In what parts of the world are mangroves found?

Back

In the tropics

Front

What do you call those deep-sea chimneys that blow off steam instead of lava?

Back

Hydrothermal Vents

Front

What does a small craft advisory flag indicate?

Back

It is a red pennant and it signals hazardous conditions for small vessels.

Front

What is the primary function of coral reefs in marine ecosystems?

Back

Coral reefs provide habitat and shelter for many marine organisms.

Front

What are the main threats to coral reefs?

Back

Climate change, pollution, overfishing, and destructive fishing practices.

Front

What is the significance of mangroves in coastal ecosystems?

Back

Mangroves protect coastlines from erosion and provide habitat for diverse species.

Front

How do hydrothermal vents contribute to ocean biodiversity?

Back

They provide unique habitats and nutrients for specialized organisms.

Front

What is the role of ocean currents in marine ecosystems?

Back

Ocean currents distribute heat, nutrients, and organisms across the globe.