Cnidarians Cnidaria is a phylum containing some 11‚000 species of simple animals found exclusively in aquatic‚ mostly marine‚ environments. Cnidarians get their name from cnidocytes‚ which are special cells that carry stinging organelles. The corals‚ which are important reefbuilders‚ belong here‚ as do the sea anemones‚ jellyfish‚ sea pens‚ sea pansies and sea wasps. The names Coelenterata and Coelentera were once applied to the group‚ but those names included the Ctenophores‚comb jellies‚
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falling today. The penguins have to lay their eggs in the snow. When the snow melts‚ the water rots many of the eggs. That’s causing the number of penguins to drop. TROUBLE IN THE TROPICS Earth’s warmer areas are also affected. Tiny animals called coral polyps build huge reefs in warm ocean water. Reefs come in
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fishing is used to capture fish and invertebrates‚ but is damaging to many corals and juvenile reef species. This practice is becoming much more common in the Philippines‚ which was the first country to use the cyanide technique‚ where much of the reefs are destroyed from harvesting corals and cyanide fishing. Over three thousand tropical fishermen in the Philippines expose miles of coral reefs to cyanide‚ killing the coral polyps and bleaching the reef. Until strict regulations are put in place to
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To Yen Ngan ELP 6 Lecturer: Mr. James Topic: Tourism in Phu Quoc Island Phu Quoc Island is located in Thailand Bay‚ lies in front of the Cambodia cost‚ 45km from Ha Tien to the West and 15 km from South Cambodia. Phu Quoc is located in the tropics and is affected by oceanic climate. These are the reasons why Phu Quoc’s climate is always being temperate with average temperature from 24oC - 27oC.The ideal time for tourist to visit Phu Quoc Island is from
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dry pressurized habitats used for commercial diving. Seiko divers Seiko watches are powered by the movement of your arm. Even if you’re not a diver‚ the Seiko diver watch is a worthy investment because it is built to last and won’t stop functioning just because you accidentally drop it or bang it as you walk through a doorway. If you need a quality watch at a quality price‚ then consider any of the Seiko diver watches today. Casio divers When we think about Casio watches‚ most of us certainly picture
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Anthozoa [pic] Corals come in all shapes and sizes--some are reef-builders while others are non reef-builders: The reef builders are the corals that can be seen in the Great Barrier Reef off Austrailia. Reef builders build high structures composed of living and non-living materials. The living materials are most often sponges‚ algae‚ and the corals themselves. The non-living materials are most often the discarded shells of dead bivalves (clams‚ mussels‚ etc.) and other CaCO3 materials. Coral reefs grow
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Arkansas State University- Beebe‚ Arkansas Global Warming Physical Science- Stults 27 November 2006 Contents INTRODUCTION 1 THE GLOBAL WARMING ISSUES 2 WHAT ’S BEING DONE 3 IN DEPTH 4 EFFECTS 5 WHAT CAN I DO? 6 BIBLIOGRAPHY 7 The issue The worldwide community has reached an agreement about the global climate; the world is undoubtedly warming. This warming is the result of emissions of carbon dioxide and other greenhouse gases from human activities‚ such as industrial
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Week 7 Lab Worksheet: Biological Processes‚ Classification of Invertebrates and Bottom ... Page 1 of 6 Week 7 Lab Worksheet: Biological Processes‚ Classification of Invertebrates and Bottom Communities Part 1 of 1 - 99.90001 Points Question 1 of 15 6.66 Points The three families of algaes are:. A.Green‚ Red‚ Grey B.Green‚ yellow‚ brown C.Green‚ red‚ brown D.Mangroves‚ red‚ brown Answer Key: C Feedback: Green algaes are both microscopic (phytoplankton) and macroscopic like sea lettuce. Red
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orders: Actiniaria (true sea anemones)‚ Antipatharia (black corals)‚ Ceriantharia (tube anemones)‚ Corallimorpharia‚ Scleractinia (true or "stony" corals)‚ and Zoanthidea. Hexacorallia includes roughly 4‚300 known extant species. As the name suggests‚ most hexacorallians have hexamerous symmetry (i.e.‚ parts in multiples of 6). The most familiar group of corals‚ the reef builders‚ includes around 650 extant species (i.e.‚ around half the known stony coral species). These are found mostly in the clear‚ shallow
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COMPARE AND CONTRAST THE PRESENTATION OF THE CHARACTERS OF JAY GATSBY AND DICK DIVER. NOTE ESPECIALLY THEIR ATTITUDES TO LIFE‚ LOVE AND RELATIONSHIPS‚ THEIR DEMISE AND THE ROLES THEY PLAY WITHIN THEIR RESPECTIVE NOVELS. F. Scott Fitzgerald is known as a writer who chronicled his times. This work has been critically acclaimed for portraying the sentiments of the American people during the 1920s and 1930s. The Great Gatsby’ was written in 1924‚ whilst the Fitzgeralds were staying on the French
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