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Coral Reefs

Across
______ are located in the Atlantic, Pacific, and Indian Oceans where the climate is tropical.
Acidic or basic
The Sun's light is a form of ______ energy.
Rising levels of ______ threaten the coral ecosystem by making ocean water more acidic and reduces the rate of coral growth.
The ______ is the zone where light penetrates the water and allows for photosynthetic activity.
Calcium carbonate is the building blocks of coral ______.
The amount of salt dissolved in water
Living things in an ecosystem
How far you can see into the water, or visual depth
______ are individual animals that make up a colony in coral reefs.
Down
Coral reefs are located between the Tropic of Cancer and the Tropic of ______.
______ is the cloudiness caused by materials in the water.
______ are responsible for dispersing living organisms and circulating nutrients and oxygen to coral reefs.
This instrument can measure a liquid's density (or salinity).
Unit of pressure
Created by the gravitational forces of the moon and sun
______ is mass per unit of volume, usually expressed in grams per cubic centimeter (g/cm3).
Nonliving things in an ecosystem
______ is a force applied over a given area.
Ocean water is an 8.0 on the pH scale. This means the water is ______.