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Malaysia & South East Asia Steve By Steve 1. * Made from Jelly? 2.

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Presentation on theme: "Malaysia & South East Asia Steve By Steve 1. * Made from Jelly? 2."— Presentation transcript:

1 Malaysia & South East Asia Steve By Steve 1

2 * Made from Jelly? 2

3 They are living Sea Creatures 3

4 Jellyfish have drifted along on ocean currents for millions of years, even before dinosaurs lived on the Earth. They are abundant in cold and warm ocean water, in deep water, and along coastlines. 4

5 Jellyfish have tiny stinging cells in their tentacles to stun or paralyze their prey before they eat them. 5

6 There are many types of jellyfish in the ocean. These jelly-like creatures pulse along on ocean currents. Inside their bell-shaped body is an opening that is its mouth. 6

7 They eat and discard waste from this opening. As jellyfish squirt water from their mouths they are propelled forward. Tentacles hang down from the smooth bag-like body and sting their prey. 7

8 Jellyfish stings can be painful to humans and sometimes very dangerous. But jellyfish don't purposely attack humans. 8

9 The stinging cells of a Jellyfish are called… Nematocysts and are venomous like snakes… Some contain Neurotoxins. 9

10 Most stings occur when people accidentally touch a jellyfish, but if the sting is from a dangerous species, it can be deadly / fatal. 10

11 The box Jellyfish also known as the Sea Wasp is the most toxic to humans. In Australia they are called Stingers. 11

12 12 The lion's mane jellyfish found in the north Atlantic, has a bell which can reach six feet (two meters) in diameter with tentacles as long as 100 feet (33 meters).

13 13 The poisonous Portuguese man- of-war is found floating on the surface of tropical ocean waters and its sting is said to be as toxic as a cobra's bite.

14 Jellyfish digest their food very quickly. They wouldn't be able to float if they had to carry a large, undigested meal around for a long period. 14

15 They dine on fish, shrimp, crabs, tiny plants, and will even eat other species of jellyfish. 15

16 * Sea turtles relish the taste of jellyfish. * Some jellyfish are clear and can look like a plastic bag in the water. Others are in vibrant colours such as pink, yellow, blue, and purple, and often are luminescent. 16

17 * For this reason many turtles die each year. * Because we humans throw plastic bags into the sea as waste or rubbish… * Turtles eat them but cannot digest them and they die slowly. 17

18 * The Chinese have fished jellyfish for 1,700 years. * They are considered a delicacy and are used in Chinese medicine. 18

19 * Fast Facts * Jellyfish are classified in the phylum Coelenterata, which means they have a very simple body with a large central mouth where food comes in and waste goes out. * Jellyfish are invertebrates and don't have a backbone or spine (like us). 19

20 * All jellyfish sting, but the stings of some specimens and those with short tentacles often are not so painful to humans. (A bit like a bee sting) dead jellyfish can sting * Even dead jellyfish can sting. * Jellyfish are the favourite meal of many sea turtles. 20

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22 22 * If you see a Jellyfish * If you get stung * If someone else is stung

23 23 * If you see a Jellyfish Do NOT touch it or Play with it… Warn others NOT to go close to it…

24 24 * If you get stung! * DO NOT Touch the skin and use wet sand to rub off jellyfish… Then see a doctor A.S.A.P….

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26 26 * If someone else is stung * DO NOT Touch the area, wash off with wet sand… NEVER use fresh Water…

27 27 * The following first aid steps may be followed until medical help arrives, for most jellyfish stings: * Bathe the sting immediately with vinegar. (This may help deactivate any nematocysts that get lodged under the skin.)

28 28 * Do not rub the sting as this will make the embedded nematocysts release their venom, further aggravating the symptoms of the sting.

29 29 * In the absence of vinegar, sea water can also be used to clean the sting and attendant rash. * Fresh water must be avoided as this can result in the embedded nematocysts releasing their venom.

30 30 * The tentacles of a jellyfish must never be touched. * If there are any tentacles attached to the skin, you need to wear gloves before trying to remove them with a pair of tweezers.

31 31 * Even when the tentacles are not attached to the jellyfish, the embedded nematocysts can still release their venom into your flesh.

32 32 * You must avoid hampering blood circulation. * Hence, do not tie the area of the sting under any circumstances. * This can lead to an increase in the toxicity of the area, causing a great deal of cellular damage.

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36 36 The School for allowing this presentation Mdm. Georgina for Concept You the students for being Interested… And…..

37 * http://kids.nationalgeographic.com/kids / http://kids.nationalgeographic.com/kids / * Read more: http://www.jellyfishfacts.net/jellyfish-first- aid.html#ixzz2Cj3sq3Qlhttp://www.jellyfishfacts.net/jellyfish-first- aid.html#ixzz2Cj3sq3Ql 37 Steve Murray


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