Light penetrates the ocean in the photic zone down to __________

The region of the ocean where many people go "deep-sea fishing" that is above the continental shelf is called:

The line of seaweed that marks the upper reaches of a high tide in the intertidal zone is called:

A(n) ___________________ is any characteristic of an organism that enables it to live successfully in its environment.

What life zone is more productive:

Which zone is permanently under water in a sandy beach environment?

Coral reefs can normally be found in:

Check all of the following that are all traits of marine life to blend in or identify their own species easily:

The largest Coral Reef in the world, the Great Barrier Reef is located near what country?

Research suggests that living among the Great Barrier Reef' are more than __________ species of fish, among other organisms.

Wetlands are another name for a ________________.

The mixture of seawater and freshwater is commonly referred to as _____________________ helps provide a diverse habitat for marine life.

At the mouth of a river, where fresh water drains into the ocean, _______________ are commonly formed.

A typical sandy beach has a region of crashing waves called the ________________ Zone which is white with foam as a result of air mixing with water as waves pound on the shore.

A behavior where an organism defends its own area is:

The dominant plant life in the salt marsh is the

The zone where you can commonly find barnacles, mussels and seaweeds all together on a rocky coast is called the ___________________-

The food-making process by which most living things depend that requires sun light is:

The deepest part of the ocean is the: