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Free research papers and essays on topics related to: crab

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  • Study Of Shore Crab Response To Intertidal Stimuli - 1,243 words
    Study Of Shore Crab Response To Intertidal Stimuli INTRODUCTION- Since its itroduction to the New Jersey shore in 1988, the western Pacific shore crab Hemigrapsus sanguineus has spread to inhabit rocky intertidal locations along the Atlantic coast from Massachusetts to North Carolina (McDermott 1998). Many reasons have been proposed to explain the rapid spread of this non-indiginous species. For example, it has been shown that H. sanguineus has longer spawning periods along the mid-Atlantic coast than it does in its natural habitat in the western Pacific Ocean, due to a more favorable climate (Epifanio et al 1998). For this reason, these crabs are able to spawn more times per season than ind ...
    Related: crab, shore, stimuli, pacific ocean, atlantic coast
  • Study Of Shore Crab Response To Intertidal Stimuli - 1,193 words
    ... s of 30 and 40 parts per thousand, 7 of 30 (23%) crabs were found in the waters with salinities of 15 parts per thousand, and 18 of 30 (60%) crabs were found dead in the waters with salinities of five parts per thousand (Table 1). The differences between survival and mortality of Hemigrapsus sanguineus at various salinities was statistically signifigant (Contingency Table Analysis, G=47.840, p*0.05). Hemigrapsus sanguineus showed lower rates of survival in waters with temperatures varying from room temperature (25 degrees Celcius), over a range of salinities (Figure 5). Twelve crabs died in the 35 degree Celcius water, 9 crabs died in the 5 degree Celcius water, while only 4 crabs died i ...
    Related: crab, shore, stimuli, natural environment, water table
  • Sexually Transmitted Diseases - 875 words
    A major question facing many teenagers is whether or not to have sex. A result of having sex is contracting sexually transmitted diseases. Sexually transmitted diseases, or venereal diseases affect 10 to 12 million Americans each year. (Daugirdas 75) In the United States, sexually transmitted diseases strike an average of one person every 1.5 seconds. (76) About half of STD patients are under the age of twenty-five. (Landers 45) Nearly 2.5 million teenagers are infected with these deadly diseases. (Welsh A-5) A few types of sexually transmitted diseases are gonorrhea, herpes, chlamydia, syphilis, etc. These diseases can be fatal if not attended to. In addition to those epidemic diseases alre ...
    Related: sexually, sexually transmitted disease, sexually transmitted infections, transmitted, transmitted diseases
  • Amy Tan - 1,551 words
    Amy Tan Kaitlin Sump Amy Tan was born in 1952, in Oakland, California to Chinese immigrants John and Daisy Tan. Her family eventually settled in Santa Clara. When Tan was in her early teens, her father and one of her brothers died of brain tumors within months of each other. During this period Tan learned that her mother had been married before, to an abusive husband in China. After divorcing him, her mother fled China during the Communist takeover, leaving three daughters behind who she would not see again for nearly forty years. After losing her husband and son, Daisy moved her family to Switzerland where Tan finished high school. During these years, mother and daughter argued over what Ta ...
    Related: the joy luck club, chinese american, san jose, jing-mei
  • Bell Jar - 380 words
    Bell Jar The Bell Jar is about a young reporter, Esther Greenwood, and her life during an all expenses paid trip to New York in the 1950s. Esther won the month long trip in a fashion magazine, one of only twelve winners. She is jealous of all the rich girls staying at the all female hotel, especially since it is her first time out of her humble home in New England. In the presence of all the upper class girls, she feels out of place and unwelcome. While in New York, Esther meets Doreen, a social butterfly with no definite personality. While on their way to a party, they meet a man by the name of Lenny who invites them to have drinks they end up bypassing the party. Lennys friend is obviousl ...
    Related: bell, bell jar, the bell jar, food poisoning, new england
  • Brittle Star - 1,485 words
    Brittle Star BRITTLE STAR PHYLUM: Echinodermata SPECIES: Ophioderma panamense GEOGRAPHIC RANGE: From Peru and through Southern California HABITAT: They have been observed in the mid and low tide zones, abundant on the sea floor underneath rocks and in crevices and moving about tide pools and in available habitats in southern California NICHE: Omnivoire and filter feeder ADDITIONAL NOTES: Sometimes often called serpent starts due to their snake like movements. The mouth is located on the underside of the central disc. The aboral disc and arms are dark brown to black, and the disc is usually about 25mm. in diameter and the arms near 180 in length. They have rounded bodies with five slender, fl ...
    Related: brittle, star, san diego, southern california, outer
  • Cancer - 262 words
    Cancer Hippocrates gave cancer ( Greek for crab ) its name because it spread through tissues like the movements of a crab. At first oncogenes, genes with highly specialized functions were said to be the " cancer genes ". This of course was wrong as oncogenes promote normal cell division and growth as well as the repair and replacement of damaged cells. Cancer starts when one out of as many as one trillion cells goes awry. When first damaged the cell loses its external controls and then the internal controls defect. From this it tries to develop a new set of internal controls by multiplying at a rapid pace which spreads colonies throughout the body. Cancer has been said to have two steps: mut ...
    Related: cancer, cell division, blood, hippocrates
  • Case Study Health And The Media - 1,090 words
    Case Study Health And The Media Case Study - Health and the Media 1. There are many different groups who would contribute to the creation of diet campaigns. Each with their obvious agendas in mind, the primary focus of any organization is making profit on sales. Every organization will try to do anything in their power to sell their product, whether the diet product works or not is a secondary concern. Marketing is everything in business and if a company can get a catchy jingle or a flashy advertisement then they are rewarded with sales and high revenue. Most diet campaigns feature "overnight success" stories of overweight people turning slim in low budget infomercials. What sets these comp ...
    Related: case study, health, media, flow chart, weight loss
  • Chemistry Research - 2,013 words
    ... ng; use tissue rich in Mit/blood supply and Thermogenin. COLD vs HOT- Fig. 37.21 THERMAL INSULATION AND RATE OF HEAT LOSS = Thermal energy is release by body to it's environment = Muscle contraction or change blood flow to skin; WOLF-constrict Blood vessel in its feet at above 0 C = Elephant, Rhinos, water Buffaloes have thick layer of fur; so they wallow in water = Sweating, panting are last resort use bu animals in hot climate or habitat (H2O evaporate quickly) THE VERTEBRATE THERMOSTAT- Fig 37.22/37.23 = All animals that thermoregulate must have a regulatory system; Info get from Hypothalamus-integration center In Humans: If glands is cool BT rises (constriction of Blood vessels and i ...
    Related: chemistry, body weight, biological clock, genetic diversity, orange
  • Cozumel - 608 words
    Cozumel Paradise In Mexico, off the tip of the Yucatan Peninsula is an island. The island is surrounded by coral reefs filled with life. Ferry boats pass over the reefs, making half-hour runs to and from the mainland. Dive boats anchor near the coral itself, and divers bob around among the eels, fish, and lobsters. Cruise ships come in around the reef, and drag anchor through dead reef. The dock that accommodates them occupies space that used to be one of the oldest surrounding reefs. If it's right or wrong, it's been done, and people pay lots of money to ride on the big luxury liners. The large dock juts out toward the mainland, and the surf there is calm. The beach is not. Small children w ...
    Related: yucatan peninsula, main street, before sunset, anchor, carlos
  • Different Dining Experiences - 615 words
    Different Dining Experiences Matt Smith Smith 1 Comp 1 Oswald Different Dining Experiences It can be very satisfying to sit down in front of a good meal and indulge in eating it. Eating is fun and plays a large role in every day life. During the preparation there are many choices one must make. What to eat? Where to eat? If one decides to go out, there are many different types of cuisines and restaurants to choose from. Say, for instance, a family wants to go out this Friday night for dinner. They come up with the following choices; a fine Italian restaurant, fine Mexican restaurant, or fine Chinese restaurant. In the process, the family compares the three with the following information. Ita ...
    Related: different types, dining, italian restaurant, important role, shrimp
  • Hamlet Study - 1,448 words
    ... ons as proof of his insanity. But if one were to observe and analyze these passages, they would see that truth and sanity behind them. But the sanity is only a small part. For these passages hold great and profound thought. There are many situations in which Hamlets thoughts are profound. These are not the ponderies of a man gone mad, but of a brain contained within a prison. Of a man whose intellect is holding him back. The first occasion in which Hamlets words, perceived mad, proved to be profound, was with his encounter with Polonius. Polonius, trying to keenly pry from Hamlet his ailment, strikes up a seemingly innocent conversation with Hamlet. To test his madness, Polonius asks Ham ...
    Related: hamlet, prentice hall, englewood cliffs, free press, plato
  • Jocelyn Susan Bell Burnell - 468 words
    Jocelyn (Susan) Bell Burnell Jocelyn (Susan)Bell Burnell An important woman in the contribution of science is Jocelyn Bell Burnell. She is a British astronomer that discovered pulsars, which is a tiny, very dense, rapidly rotating neutron star that appear to emit radiation in pulses. Jocelyn was born in 1943 in Belfast, Northern Ireland. She was raised near the Armagh Observatory, which obviously impacted her life She graduated from Glasgow University in 1965 with a B.S. degree in Physics, and in 1968 she received a Ph.D. in radio astronomy from the University of Cambridge in 1968. Jocelyn began her studies by conducting experiments of gamma-ray astronomy at the University of Southampton. Fr ...
    Related: bell, jocelyn, susan, electromagnetic spectrum, milky way galaxy
  • King Lear - 1,329 words
    ... ith- out a figure. I am better than thou art now; I am a fool, thou art nothing." (I, IV, 188.) -The Fool knows that Lear is changed now because he is worried that Goneril is frowning. -Lear should not have to worry about Goneril frowning because he his her father, but the fact that he gave her half of his land and worth, he is nothing. -The Fool thinks that Lear used to be respectable but now has become pathetic he has become an "O without a figure". He has lost his identity, his self-respect, and his kingship. 9. "For you know nuncle, "The hedge sparrow fed the cuckoo so long That it had its head bit off by its young." So, out went the candle, and we were left darkling." (I, IV, 212.) ...
    Related: king lear, lear, love thee, confusion, shadow
  • Love Song Of Prufrock - 1,037 words
    ... pecially detached from society and burdened by his awareness of it. He thinks "I should have been a pair of ragged claws/ Scuttling across the floors of silent seas." Eliot not only uses imagery here to create a picture of a headless crab scuttling around at the bottom of the ocean, but he uses the form of the poem itself to help emphasize his point here. The head is detached from the crab, and the lines are detached from the poem in their own stanza, much like Prufrock wishes his self-consciousness would just "detach" itself. This concept is echoed in the very next stanza when he says, "Though I have seen my head (grown slightly bald) brought in/ upon a platter,"(83), an allusion to the ...
    Related: love song, love story, prufrock, song, prince hamlet
  • Medical Testing On Animals - 839 words
    Medical Testing On Animals Animals have been used in medical research for centuries. In a recent count, it was determined that 8,815 animals were being used for research at MSU, 8,503 of them rodents - rats, mice, hamsters and gerbils. There were 18 dogs, three cats and a variety of goats, ferrets, pigeons and rabbits. The struggle against this tyranny is a struggle as important as any of the moral and social issues that have been fought over in recent years." Animal rights are an emotional issue-second only, perhaps, to the bitter abortion debate." For decades the value of animal research has been grossly overrated. Although researchers have depended on animal test data to achieve medical a ...
    Related: american medical, animal research, animal rights, medical association, medical research, medical science, testing
  • Metabolism Studies - 1,448 words
    Metabolism Studies Abstract The purpose in experimenting with computer simulations was to compare oxygen consumption rates in different mammalian subclasses. We compared monotremes, marsupials, and placental mammals at both warm and cold temperatures. The results supported our hypothesis that when temperature increased, metabolic rate decreased. This was also supported using a student's t-test. We also found that placental mammals had the highest oxygen consumption rates and marsupials had the lowest. We compared oxygen consumption rates in different sized crabs at different temperatures. The results supported our hypothesis that the smaller crab would have a higher rate of consumption. Howe ...
    Related: metabolism, average weight, basal metabolic rate, works cited, experiment
  • My Antonia - 1,462 words
    My Antonia Author: Willa Sibert Cather, Nebraska's most noted author was born in Virginia. At the age of ten she moved with her family to Webster County, Nebraska. Many of Cather's acquaintances and Red Cloud area scenes can be recognized in her writings. Cather wrote poetry, short stories, essays and novels, winning many awards. In 1920 she won the Pulitzer Prize for her novel One of Ours, about a Nebraska farm boy who went off to World War I. Willa Cather's reputation as one of America's finest novelists rests on her novels about Nebraska and the American Southwest. These novels express her deep love of the land and her distaste for the materialism and conformism of modern life. Devoted to ...
    Related: antonia, my antonia, modern life, red cloud, bitter
  • Pokemon Phenomenon - 2,240 words
    ... carnation, these are the ideas presented in Pokmon. We live in a post Christian era in America, and what is coming in is the old paganism, with a vengeance. There are different cards used in the game for ones warfare; They can resemble a supernatural chicken fight. Machop, Machoke, Machamp are all fighters. Machoke is the final stage of evolution for Machop.There are 151 Pokmon (Pocket Monsters) that must be engaged in battle and defeated. Many of these evolve, some to the fourth level, into other creatures more powerful than the original Pokemon. They possess different levels of power and can become more powerful with the use of crystals, thunderstones, and other evolving techniques Evo ...
    Related: phenomenon, left hand, different levels, young child, intelligence
  • Role Of The Sexes - 1,099 words
    Role Of The Sexes Roles of the Sexes The submissive role of the female in a marriage or relationship is a common problem in many societies, including our own American society. This role has become so common that in fact it is now expected of the female. This male dominance goes as far back as the human race, to the beginning of relationships and marriage between the female and the male. Then, the physical prowess of the male led to his dominance in all situations and thus formed these roles. Even presently, with all our advances in equal rights and womens advances in the work fields, this role of submission and passivity is still present among our society. Why do women accept this role? Why ...
    Related: james joyce, professional life, human race, defensive, joyce
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