Sea urchins are members of the phylum Echinodermata‚ which also includes sea stars‚ sea cucumbers‚ brittle stars‚ and crinoids. Like other echinoderms‚ they have five-fold symmetry (called pentamerism) and move by means of hundreds of tiny‚ transparent‚ adhesive "tube feet". The symmetry is not obvious in the living animal‚ but is easily visible in the dried test. Echinodermate means "spiny skin" in Greek. Specifically‚ the term "sea urchin" refers to the "regular echinoids"‚ which are symmetrical
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Welfare In this discussion we were suppose to side with either the Conservative side or the Moderate side. The Conservative side had points about the welfare which best described my opinion about welfare. One the other hand the moderate view also had several points to the welfare reform. The welfare issue in the U.S. can not be handled in a similar way for everyone. There are certain cases and situations which show that welfare shouldn’t be handled in the same way for everyone. Their should be
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The Aral Sea is actually not a sea at all. It is an immense lake‚ a body of fresh water‚ although that particular description of its contents might now be more a figure of speech than practical fact. In the last 30 years‚ more than 60 percent of the lake has disappeared. The sequence of images above‚ acquired by Landsat satellites‚ shows the dramatic changes to the Aral Sea between 1973 and 2000. Beginning in the 1960s‚ farmers and state offices in Uzbekistan‚ Kazakhstan‚ and Central Asian states
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If I was writing a report on an endangered species I would choose the sea turtle. The reason I would choose the sea turtle is because in our source “Turtles in Trouble” it gave us the story of a turtle named Adelita. This turtle traveled 6‚000 miles alone to Japan. To me that is pretty amazing that a turtle can remember where she laid her eggs especially since it is very far away. Another reason I choose this article is because was pretty reliable. This article was reliable because scientist Jay
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13 Cause and Effect Essay. The Aral Sea disaster. The Aral Sea disaster is one of ecological disasters that effect terribly on our life. It was fourth largest lake in the world‚ but nowadays 80 per cent of water disappeared. The main reason why the Aral Sea has shrunk so dramatically is because water from the rivers flowing to it has been diverted for irrigation. The Aral Sea basin is fed by the Syr Darya and Amu Darya Rivers‚ which flow directly into the sea. Other rivers feeding the basin are
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#1: “The Salton Sea” Summary In 1905 heavy rain falls and snowmelt overfilled the Colorado River. In result the water poured over the headgates in to Alamo Canal. The flood soon reached an Imperial Valley dike and in a period of two years the entire process of the Colorado River flood would soon create the Salton Sea. The Salton Sea is located at the Colorado Desert in Southern California laying below sea level and said to be the largest lake in California. The creation of the sea made Salton City
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This passage is an extract from Joseph O’ Connor’s Star of the sea which was penned in the year 2002. The passage makes use of a third person narrative view point as a result of which the readers are provided with a vivid image of passengers aboard a stormy sea ship. The passage talks about a ship afloat a stormy sea and how the passengers on the deck are caught unaware due to this storm. The author uses a descriptive style of writing with short crisp sentences that heighten the pace of the story
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Riders in the Sea Sheri-Lyn Crump ENG 125 Introduction to Literature Instructor: Mary Lounsbury December 17‚ 2012 The sea is both a source of life and death. As we can see in the poem‚ the sea offers food‚ a way to the mainland and other life giving essentials. It is also the reason that Mauyra has lost all the men in her family. At the beginning of the story we realize that Mauyra’s Daughters Colleen and Nora are trying to hide some clothing that the young priest has given them‚ thinking
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Introduction The movie The Blind Side is about a homeless‚ male‚ African-American teenager Michael Oher (Big Mike) who is taken in by the Tuohy family. Michael grew up never knowing who his father was and his mother wasn’t anything but a drug addict who he was taken away from when he was a child. Michael had very little education but had preformed strong in “protective instincts” which is later on used to help motivate his football skills and eventually shape his football career. The Tuohy’s provided
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2/22/12 ENTO115 Insects in the Sea After reading multiple discussion board posts‚ I realized that many students had great examples as to why insects are not found in the sea. I found three specific hypotheses that I supported. The fact that insects need oxygen to survive‚ their size ratio compared to their predators‚ and their inability to survive in salt were the three hypothesis of my choosing‚ First‚ the simple fact that insect need oxygen to survive. In the lectures‚ we discussed how
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