Neritic Zone Quiz

1. Coral reefs are made of

Sodium chloride.

Calcium carbonate.

Rock.

Silica.

2. Why is the neritic zone the most productive zone in the ocean?

It contains a lot of fish.

It contains a lot of pollution.

It is warmer.

Sunlight can reach the entire zone.

3. Water in estuaries is usually:

Very salty.

As salty as the ocean.

Brackish (a mix of salt and fresh water).

Fresh water.

4. What is the continental shelf?

A shallow border surrounding the continents.

A wall around every island.

A shelf to display models of the continents.

A platform in the middle of the open ocean.

5. What is the distance range for the neritic zone?

From the high tidemark to the low tidemark

From the low tidemark to the open ocean

From the low tidemark to the continental shelf

From the continental shelf to the open ocean

6. Topsoil that washes onto a coral reef as a result of human interaction:

Makes the water less fertile.

Is used as food for reef organisms.

Helps protect the reef from the surf.

Makes the water cloudier, reducing photosynthesis.

7. About how much of a world's oceans are contained in the neritic zone?

5%

10%

20%

50%

8. What is one of the important reasons that we should conserve estuaries?

They look pretty.

They filter sediments and pollutants.

They are used to tell the temperature of the water.

They are home a huge variety of plants.

9. Other than the fact that coral reefs provide a home to a variety of plants and animals, why else is it important to conserve coral reefs?

They are a buffer zone.

They extend far out into the open ocean.

They can be used for harvesting fish for home aquariums.

Some organisms that live in the reef have great medical value.

10. What lives inside the coral and creates a symbiotic relationship with the coral?

Fish

Seaweed

Algae

Anemones