These were made of corals which are

marine organisms from the phylum

Cnidaria and exist as small sea-anemone-

like polyps typically in colonies of many

identical individuals:

?

Coral Reefs

4 types of coral reefs

Atolls Fringe reefs

Barrier Reefs

Platform Reefs

Atollsa ringed shaped reef that grows around the rim of a dead underwater volcano.

B

Fringe Reefs grow along the borders of islands and continents

B

Barrier Reefsgrow between a landmass and an ocean

B

Platform Reefsgrow in patches behind barrier reefs with flat upper surface

Next

Reefs Activity: Arrange the sentence on how coral reefs formed.

Write the FIRST FOUR LETTER of your name on the blank provided below. Write also the name you have to use.

For example: KATH

Most Corals depend on sunlight and grow in clear and shallow water.

Coral reefs are made up of corals which are marine organisms from the phylum Cnidaria and exist as a small sea-anemone like

polyps.

Coral reefs are formed from the pilling up of the skeletons of marine animals cemented together by living blue-green and red algae.

Coral reefs grow in a water temperature of at least 20 Celsius.

ARRANGED:

T

K

A

H

KATH (arranged)

Coral reefs are made up of corals which are marine organisms from the phylum Cnidaria and exist as a small sea-anemone like polyps. Coral reefs are formed from the pilling up of the skeletons of marine animals cemented together by living blue-green and red algae. Most Corals depend on sunlight and grow in clear and shallow water. Coral reefs grow in a water temperature of at least 20 Celsius.