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by: Dawn N Location The Great Barrier Reef is on the north-east coast of Australia. The Great Barrier Reef is on the north-east coast of Australia.

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Presentation on theme: "by: Dawn N Location The Great Barrier Reef is on the north-east coast of Australia. The Great Barrier Reef is on the north-east coast of Australia."— Presentation transcript:

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2 by: Dawn N

3 Location The Great Barrier Reef is on the north-east coast of Australia. The Great Barrier Reef is on the north-east coast of Australia.

4 Weather JanFebMar Apri l MayJunJulyAugSeptOctNovDec 898887848178787982858789 15.715.215.48.93.62.21.31.21.01.32.75.0 Temp Rainfall Inches

5 Landform There are 600 islands that make up the Great Barrier Reef.

6 Animals Nudibranch Nudibranch –Nudibranchs live on sea squirts, sponges, and other poisonous animals. They recycle the toxins for their own defense. –They are called solar-powered because they eat soft corals, which generally have algae living in their tissues. They don’t digest the algae, instead they keep the algae in their skin. The algae continue photosynthesizing, making food for themselves and the nudibranchs.

7 Hard Coral that is no bigger than a fingernail. They only grow about a half inch a year.

8 Cone snails have a tubelike siphon called a proboscis, for sniffing out worms and other prey on the seafloor. The cone snail injects poison that causes muscle spasms and death. It can also poison a human, although deaths are rare. Cone snails have a tubelike siphon called a proboscis, for sniffing out worms and other prey on the seafloor. The cone snail injects poison that causes muscle spasms and death. It can also poison a human, although deaths are rare.

9 Plants Mangrove Mangrove Sponge Sponge Seagrass Seagrass

10 Threats Human expansion is one of the biggest threats to coral reefs. As we change the landscape, the amount of freshwater runoff increases. Human expansion is one of the biggest threats to coral reefs. As we change the landscape, the amount of freshwater runoff increases. Pollution also damages the reef. Pollution also damages the reef.

11 Questions & Answers The Great Barrier Reef has a collection of over ______ types coral reefs. The Great Barrier Reef has a collection of over ______ types coral reefs. 400 400 1,500 different species of ______ live here. 1,500 different species of ______ live here. fish fish There are _____ kinds of mollusc. There are _____ kinds of mollusc. 4,000 4,000 _________________ is the habitat of some threatened species like the dugong ('sea cow') and the large green turtle. _________________ is the habitat of some threatened species like the dugong ('sea cow') and the large green turtle. The Great Barrier Reef The Great Barrier Reef

12 Sources: Great Barrier Reef @ www.nationalgeographic.com Great Barrier Reef @ www.nationalgeographic.com www.nationalgeographic.com World Heritage Great Barrier Reef.htm World Heritage Great Barrier Reef.htm http://www.crystalinks.com/greatbarri ereef.html http://www.crystalinks.com/greatbarri ereef.html http://www.crystalinks.com/greatbarri ereef.html http://www.crystalinks.com/greatbarri ereef.html http://www.divethereef.com/Guides/S easonsF.asp http://www.divethereef.com/Guides/S easonsF.asp


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