Humans and the Environment

Front

What is a dead zone in the context of marine environments?

Back

An area with low oxygen levels.

Front

How do oceans help regulate the Earth's climate?

Back

By absorbing carbon dioxide.

Front

How do ocean gyres affect marine debris?

Back

They trap debris in specific areas.

Front

What is upwelling?

Back

It brings nutrient-rich water to the surface.

Front

What does brackish water mean?

Back

The river's freshwater mixes with the seawater.

Front

What is biodiversity?

Back

The variety of life in a particular habitat or ecosystem.

Front

What is the role of coral reefs in marine ecosystems?

Back

They provide habitat and shelter for many marine organisms.

Front

What is the significance of the carbon cycle in the environment?

Back

It regulates the amount of carbon in the atmosphere and oceans.

Front

What are the effects of ocean acidification?

Back

It harms marine life, especially organisms with calcium carbonate shells.

Front

What is the importance of mangroves in coastal ecosystems?

Back

They protect shorelines from erosion and provide habitat for wildlife.