Adult black widow spiders have a shiny‚ black‚ rounded‚ circular abdomen and are about 1/3 inch long (about 1-1/2 inches when their legs are spread). Adult spiders have two reddish or yellowish triangles on their bottom which looks like an hourglass marking‚ and their body color is dark colored usually black or sometimes dark brown. They are usually recognized because of their red or red-orange hourglass design on the bottom of their abdomen. This pattern is changeable and may look
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Topic 6: Mammalian Pheromones Abstract A pheromone is a chemical signal which is released by one animal and received by another‚ which induce a species specific reaction. Pheromones are detected via chemosensory systems known as the Vomeronasal Organ (VNO). Within a wide range of mammals the VNO is used to elicit a generalized sexual response‚ primarily affecting the reproductive tract. This is seen in most terrestrial mammals who have adapted to sensing volatile chemical signals; the Mouse displays
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Presence of nitrogen fixing Klebsiella pneumoniae in the gut of the Formosan subterranean termite (Coptotermes formosanus) (p3297) A Review by: Mark Edge (Faith & Jaelen Love You) Because the Formosan termite is an economically important pest. Researchers are concentrating efforts on understanding the details of their physiology. Before the late 80’s early 90’s not much physiological research was concentrated toward any one species of termite outside of general physical characteristic‚ anatomy
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The Ant of the Self Most seventh graders know the principle that oil and water don ’t mix. No matter how much the solution is shaken or stirred‚ the water will settle to the bottom and the oil will rise above to the surface. These attributes describing water and oil directly describe the relationship between Spurgeon and Ray‚ the two main characters in ZZ Packer ’s "The Ant of the Self." Spurgeon‚ the "water" and intelligent son of Ray Bivens Jr.‚ finds himself carrying the burden of supporting
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to survive at first. They both also encountered natives living there before they arrived. In Virginia there were the Algonquians and in Massachusetts Bay there was a large number of Puritans. Although there were many differences between the two colonies it comes as to no surprise that they are very much so related in their hardships. Such as in Virginia there was disease‚ famine and continuing attacks of the neighboring Algonquians which took a tremendous toll on the population. Only sixty out of
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Many believe that interactions produce knowledge. This is seen in Cathy Davidson’s “Project Classroom Makeover” and in Steven Johnson’s “The Myth of the Ant Queen.” Davidson discusses the importance of working collaboratively. Johnson explores different systems and the interactions within them. The system is made of many individuals that need to communicate to solve certain problems. Both authors discuss the hierarchies and how it limits individuals from collectively working together. Without a hierarchy
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Back in the Marveloso Valley‚ our team was provided with money to excavate up to three sites. In sector 4‚ the group decided to further pursue the following sites: MARV-61‚ MARV-69‚ and MARV-75. One of the reasons we decided on these particular sites is that all three come from the La Plata phase. The La Plata phase occurred between the years of 1000 to 1450 AD. During this time‚ the Wari Empire collapsed and the valley segmented into local kingdoms in some coast and highland areas. Since sector
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DBQ Essay In the 1600’s‚ the New England colony devolved very rapidly. The political‚ economic‚ and social development of the colonies was highly influenced by the Puritans‚ who helped find most of the colonies in the region after emigrating there from England. The Puritans strict values and ideas helped shape the colonies greatly in several ways. They believed in a representative government which later on became an essential part of the United States’ government. Economically‚ the idea of fair
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you. Prior to 1700‚ the British North American colonies had conflicting outlooks on the extent of religious freedom in the new world based on the different acts of the British Empire and by the English origin of most of the settlers. New England was mostly comprised of Puritans‚ the Middle Colonies consisted of Quakers‚ and the South was more concerned about using the land to make money and didn’t emphasize on religion. The Southern Mainland colonies considered the Church of England as their dominant
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eve of the revolution‚ the British were still very involved in American lifestyle and there was no unity among the colonies. However‚ as the eve of revolution neared and harsh acts‚ salutary neglect‚ and lack of representation was implied on the colonies by their mother country England‚ America built a great sense of unity and a sense of identity as a country. The American colonies were very troubled by England before unifying and battling for their freedom. Examples of this were the many acts
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