Under the Sea-Wind: A Naturalist's Picture of Ocean Life

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Environmentalists were dismayed in February when, despite the protests of hundreds of people, the commission ousted its popular executive director, Charles Lester, who opposed development. It is often the vacant shell of an urchin that is most visible (it bleaches white after death), rather than the living animal. Parks Canada Environmental Conservation Programs. These careers range from training dolphins for major marine parks to conducting marine biology research studies on a particular species of interest.
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Know Your New Zealand ... Fishes

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Regardless of how that greenhouse scenario starts - whether it's a massive volcano or centuries of burning fossil fuels - climate change kills more effectively than a meteor impact. Coasts are partly created by marine life; some marine organisms even help to create new land. Others are larger – ribbon worms are the longest animals in the world, some reaching 60 metres. Please be ready with school name, address, phone number, teacher's name, grade level, number of students/class, program choice, and preferred dates and times.
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For Love of Some Islands

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Failure to comply may result in legal action. When is an extinct animal no longer considered to be extinct? Small pilot fish and remoras often latch on to buoys until a more mobile companion turns up, while juvenile fish use them for shelter. Words which appear as underlined maroon text (e.g. autotrophs ) will pop-up a definition box when you move your mouse over them. Ctenophores superficially resemble miniature medusae (phylum Cnidaria); however, most medusae arise asexually from a polyp generation and ctenophores have no polyp stage in their life cycle.
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National Geographic Magazine, March 1941 (Vol. 79, No. 3)

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But for higher-level parameters such as abundance or biodiversity, food is more important. It is elongate and flattened and has short spines up to 1/2" long that are usually a reddish brown in colour. Credit: Thinkstock This past May, government figures that were released showing the death toll added fuel to the opposition. A few inhabit brackish water, but there are no true marine amphibians. [226] There have been reports, however, of amphibians invading marine waters, such as a Black Sea invasion by the natural hybrid Pelophylax esculentus reported in 2010. [227] Fish anatomy includes a two-chambered heart, operculum, swim bladder, scales, eyes adapted to seeing underwater, and secretory cells that produce mucous.
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Ocean Zoning: Making Marine Management More Effective

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The wound will be cleaned with soap, water, and antibacterial solution. Simple multicellular animals that spend their lives anchored to a rock or ocean bottom; they are mostly marine but some species live in fresh water; sponges have radial symmetry with a cylindrical, globose or irregular body containing an internal skeleton of minute spicules made of calcium carbonate, silica, or a fibrous collagen protein called spongin; the surface contains numerous pores connecting to canals and chambers lined by flagellated collar cells (choanocytes); sponges are filter-feeders, taking in microscopic plankton by miniature currents created by the choanocytes; sponges are divided into three classes: Class Calcarea (chalk sponges) with calcareous spicules; Class Hexactinellida (glass sponges) with siliceous spicules; and Class Demospongiae (horn sponges) with a skeleton of spongin or none; calcareous and siliceous sponge spicules often become components of tropical beach sand.
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Anatomy of a Photo Contest: John Pennekamp Coral Reef State

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India has more than half of the 3,200 tigers believed to be left in the wild in the world. The coconut palm (Cocos nucifera) lines many of Fiji's sandy coastal areas. Through photosynthesis, phytoplankton convert the Sun�s energy into food. Honestly, I have never given this question any thought. It can resemble a barrel or cake with a rather flat top sporting a cluster of black holes (osculum) in the center of the top for outflow of water.
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Active Military Sonar and Marine Mammals: Events and

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Did you know that the popular PBS series, Antiques Roadshow, regularly appraises ivory carvings on air? Dugongs spend most of their life in the shallow coastal areas grazing on sea grass beds. But recent research is showing that such diseases don't discriminate—and the ocean provides "lots of opportunities" for viruses and bacteria to blossom, Venn-Watson said. A small group of marine invertebrates that were once thought to have a short notochord, the supportive axial rod that characterizes the phylum Chordata; hemichordates do possess gill slits or pharygeal clefts that are also found in chordates.
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Shark!: Killer Tales from the Dangerous Depths

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Natural Sea salt has 84 essential minerals the body requires for OPTIMAL cellular function. We obtained documents showing, among other abuses, that when CDC employees failed to monitor an owl monkey who had undergone experimental surgery, the distressed monkey pulled out the sutures and her intestines spilled out of the wound. Among vertebrate animals, only a relative few groups contain species that are regularly found within coral reef communities. It's something like a jellyfish, and is more closely related to the Portugese man o'war.
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Dolphin Tales : True Stories of the Atlantic Spotted

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It also is the material of energy-efficient insulation and the required material of wind turbines that greenly convert wind (kinetic) energy into mechanical energy. What are the different uses of animals in a different walk of life? Their bodies are made up of multiple cells: In almost all animals, their cells are arranged into tissues that perform different functions. For example, corals such as those in the Great Barrier Reef are to face the worst bleaching in decades, which will severely weaken the species.
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Saved from the Sea: Tales from Sea Life Centres (Animals)

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There are about 5000 to 10,000 of species of Porifera that are known today. Gigantic tubeworms and mussels thrive in densities of up to 65 pounds per square foot around vents. Though branched, the sack is made up of dead ends. Outreach programs are developed and presented by our marine staff and focus on place-based experiences and a hands-on approach to learning. Both forms have a single orifice and body cavity that are used for digestion and respiration. These are active filter feeders, pumping water through strainers to remove food.
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