Chloe Lindbom Regeneration of a Planarian Over Time Erin Davis Biology Mrs. Werfelman 5th Hour 10/09/2014 10/20/2014 Background: The planarian‚ also known as the flatworm‚ is a creature that live all over land‚ oceans‚ and freshwater. (Biggs‚ A.‚ Gregg‚ K.‚ Hagins‚ W.‚ Kapicka‚ C.‚ Lundgren‚ L.‚ Rillero‚ P.‚ 2002) The planarian has a threebranched digestive cavity. (Alvarado‚ 2004) Planaria range from 1/8 to 1 inch. (Alvarado‚ 2004) The planarian can be cut into many pieces and each piece will grow
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Why Balloons Deflate Over Time Balloons are perhaps one of the main choices for party decorations. They come in different forms and sizes‚ and are made of varying materials. Balloons however do not stay inflated for a long period of time even if they are tightly knotted. Some stay inflated for weeks‚ some for days‚ and some even for only a few hours. Have you ever wondered how the air inside the balloon escapes? There are several factors that cause the deflation of a perfectly inflated balloon
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Sub-saharan Africa has undergone changes with religion such as the changing of religious affiliation to Christianity and the practices of cosmology and ontology‚ however‚ Sub-saharan Africa has also remained constant with their thoughts being focused on various beliefs like a creator and evil. Christianity was predominantly the main religion in Sub-saharan Africa opposed to the Muslims of North Africa. Christianity in the Americas slowly began to send out missionaries to spread the Gospel and build
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200 B.C.E. to 1450 C.E.‚ the Silk Road changed in terms of trade‚ such as what items were traded‚ and contact with civilizations‚ such as what societies made use of the Silk Road. Although these changes affected the efficiency of trade and goods‚ the route of the Silk Road was able to remain the same over time. Many goods were traded on the Silk Road throughout its history. In its early history‚ the goods traded on the Silk Road were mainly items made from silk; therefore‚ it was given the name‚ the
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The first poem in Ezekiel’s first volume published in 1952‚ A Time to Change is a remarkable poem. The poem is built upon the journey and quest motifs. The poem‚ partly a lament and partly a prayer‚ continually hovers around the basic concerns of the poet: moral conduct‚ spiritual redemption‚ the desires of the body and the claims of the soul. It begins with a question and ends with a sense of certainty‚ assurance‚ and hope. The poem in this sense symbolizes the poet’s spiritual journey from doubt
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Marriages and Families over Time 1. Contemporary definitions of marriages and families a. What is marriage? i. Union between people that unites partners sexually‚ socially‚ and economically ii. Relatively consistent over time iii. Accords each member certain agreed-upon rights b. Types of marriages iv. Monogamy: one person married to another person of other sex v. Serial monogamy: person marrying as many time as they like prior to
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Introduction Over the centuries that maps have been created‚ they have changed by a lot‚ they have gotten some helpful tools such as BOLTS which has made understanding maps much easier. This essay will focus about the compass‚ the age of discovery‚ how the compass has made maps more accurate‚ how maps have changed over time and a comparison between an old map and a modern map. Compass The compass is a tool which has helped navigation greatly‚ it is a navigation tool which allows people to know what
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Inventions that sparked economic advancement 1865-1917 1865 Rotary printing press (web) • In 1865‚ William Bullock invented a printing press that could feed paper on a continuous roll and print both sides of the paper at once. Used first by the Philadelphia Ledger‚ the machine would become an American standard. 1866 Urinal (restroom version) • A urinal is a specialized toilet for urinating only‚ generally by men and boys. It has the form of being wall mounted‚ with drainage and automatic
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How has the strategy of pirates changed over time? The North and East coast of Africa are very well traveled waterways for the Global Maritime Shipping business. Learning about and working with one of these businesses was very eye opening to an unknown world. With every major industry there are upsides and downsides. When someone is placed in a new industry they are generally naïve to any downsides until they begin reading periodicals and researching every facet of the industry. When someone
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Assignment 06 – Africa February 6‚ 2013 Africa’s Apartheid Policy South Africa has suffered a great amount throughout the last few centuries. One of South Africa’s most devastating events was the Apartheid Policy. It was initiated and passed in an unfair manner. The Apartheid policy was very damaging to the economy‚ citizens and environment of South Africa. South Africa is a region located in the continent of Africa. In most textbooks‚ South Africa is defined as the region of Africa South of the
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