Subtidal Unit Review

Front

What is the predicted time scale for the dying of reefs?

Back

In the next few decades.

Front

What percentage of the ocean's sea life lives in coral reefs?

Back

25%.

Front

What are the benefits of coral reefs?

Back

All of the above: Protecting coastal areas from erosion, providing medicine for cancer and bone care, and providing food and income for families.

Front

Do coral reefs minimize the impact of rough waves?

Back

True.

Front

What are the threats to coral reefs?

Back

All of the above: Global climate change, destructive fishing methods, and pollution.

Front

Define coral reefs.

Back

Coral reefs are underwater structures made from calcium carbonate secreted by corals, providing habitat for diverse marine life.

Front

What role do coral reefs play in coastal protection?

Back

They act as natural barriers, reducing wave energy and protecting shorelines from erosion.

Front

How do coral reefs contribute to the economy?

Back

They provide food, income through fishing and tourism, and support local economies.

Front

What is the impact of global climate change on coral reefs?

Back

It leads to coral bleaching, ocean acidification, and increased frequency of severe weather events.

Front

What are destructive fishing methods?

Back

Techniques that harm marine ecosystems, such as blast fishing and cyanide fishing.