Coral ReefsBy Jessica Panev and Imogen

Arnol

Coral reefs are wet Coral reefs are wet environments.environments.They are warm,and they They are warm,and they live in salt water, clear, live in salt water, clear, shallow ocean habitats shallow ocean habitats that are rich in life.that are rich in life.

Coral Reefs have lots of Coral Reefs have lots of animals that live in them.animals that live in them.

Coral reefs need three things to survive. They need warm water, sunlight, and clear, shallow waters. Coral will not grow in waters that are lower than 20 degrees Celsius. Sunlight and clear, shallow water is needed. This is why you usually don’t find coral below 100 meters (330 feet) deep.

Creatures that live in Creatures that live in Coral Reefs Coral Reefs LionfishLionfish Barrel SpongeBarrel Sponge Butterfly fishButterfly fish Brain CoralBrain Coral Spiny pufferfishSpiny pufferfish SurgeonfishSurgeonfish StingrayStingray Elkhorn CoralElkhorn Coral Moray eelMoray eel Lace CoralLace Coral BarracudaBarracuda Cleaner wrasseCleaner wrasse AnemoneAnemone Tube spongesTube sponges AngelfishAngelfish

Reefs are made by tiny sea Reefs are made by tiny sea creatures called coral creatures called coral polyps.polyps.

Polyps are tiny soft-bodied Polyps are tiny soft-bodied animals smaller then a animals smaller then a match head.match head.

. The Great Barrier Reef is the largest coral reef system in the world, composed of over 2,900 individual reefs and 900 islands stretching for 2,600 kilometres over an area of pretty close to 344,400 square kilometres . The reef is located in the coral sea, off the coast of Queensland in northeast Australia. The Great Barrier Reef can be seen from out of space. The Great Barrier Reef is made of living organisms.

Crown of thorns star-fish:Crown of thorns star-fish: The spiny and toxic crown-of-thorns starfish are The spiny and toxic crown-of-thorns starfish are

predators that can wipe out large areas of coral; an predators that can wipe out large areas of coral; an individual can consume up to 6 square metres of living individual can consume up to 6 square metres of living reef per year. Crown-of-thorns starfish have long reef per year. Crown-of-thorns starfish have long spines and are capable of severe stings.spines and are capable of severe stings.

Blast Fishing Blast Fishing Shock waves from blast fishing can Shock waves from blast fishing can destroy coral reefs. destroy coral reefs.

Global Warming- Temperature Changes Global Warming- Temperature Changes Pollution Pollution Storms Storms

The water comes from the ocean where thay live.

The water goes now where the

water stay’s where it is because

Coral Reefs live in the Ocean.

The Great Barrier Reef-Erinn Banting

Coral Reefs-Erinn Banting

Oceans-Beverly mcmillan and John A. Musick