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Science and Nature Term Papers and Reports
Flooding
3318 Words - 13 Pages

.... and local government, property owners, some who came to observe, and some to rebut. Scientists, engineers and many local planners see coastal erosion and as a serious issue but previously viewed the concept of sea level rise as a codeword for “retreat,” giving up protective measures for the barrier island communities.There has been polarization in the past between some mayors and public officials who favor public expenditures to hold back the sea and other public officials and some scientists who are skeptical about erosion-fighting programs. There were those who believed people should not be allowed to rebuild in hazardous areas and those who would not forbid ....


Darwin's Theory And Modern Genetics
324 Words - 2 Pages

.... in their characteristics; no two individuals are exactly alike.” And last, “Much of this variation is heritable.” This process of eliminating certain parts of a population is natural selection. Studies were being done during Darwin’s findings that indicated there was a “gene” associated with certain characteristics. Mendel’s pea plants proved there was a way of artificially creating trends in color of flowers. This discovery led to modern genetics. We now know chromosomes carry valuable information that determines characteristics in living species. When you put these two discoveries together you really understand how animals have evolved to their c ....


Functions Of The Digestive And Kidney Systems Of The Body
1808 Words - 7 Pages

.... (chyme) in order to give it more surface area so that it can better mix with the acid and pepsinogen. Gastrin also relaxes the pyloric sphincter. Chyme is then passes into the small intestine for main absorption and digestion. The pH in the stomach returns to normal and the stretch receptor stop getting stimulated. #2 You are having severe stomach cramps, the doctor says that you secretin receptors have been blocked. How has this affected your digestive process and what two hormones might be able to alleviate one of the affects. Secretion inhibits stomach movement, emptying, slows secretion of gastric juices and causes bicarbonate to be dumped in from the pancreas and li ....


Dna 3
3302 Words - 13 Pages

.... in deoxyribonucleic acid. These bases connect together into a long chain of bases to form the DNA molecule (much like pearls connect together to form a pearl necklace). The names of these four bases are adenine, cytosine, guanine, and thymine. Conventionally the bases are abbreviated as A, C, G, and T (respectively) for simplicity reasons. At the smallest level, DNA is organized into a double helix. The DNA helix is then repeatedly coiled to allow more of it to fit into a compact space. This helix replicates and passes on its information to the body's cells. In humans, all the DNA is packaged into 46 separate molecules called "chromosomes." The chromosomes each contain ....


Marijuana (simple Essay Without Concution)
327 Words - 2 Pages

.... States but many countries have legalized it because of the medical use of cannabis. Cannabis plants do grow wild in many parts of the world. This plants has been used for thousands of years for medical use only until the 19th century when use of cannabis spread from China and the Middle East to the population of Europe and America. Since that time cannabis became illegal and very popular drug known in all countries. In some way the affects of the marijuana may be serious. When smoked, the effects of cannabis begin immediately. When eaten the effects can take 1 to 2 hours to begin, depending on how much food is in the stomach. The effect after smoking cannabis may ....


Man-of-War
550 Words - 2 Pages

.... and is a translucent pink, blue, or purple. On top of the bladder is a crest. This is to catch the wind, and move the man-of-war along. Below the bladder, hang long stringy tentacles, that can reach a length of up to fifty meters. The tentacles are made-up of three different types of polyps. The names of these three polyps are: dactylozooid, gonozooid, and gastrozooid. The polyps are the parts that: capture prey, digest prey, and reproduce. The dactylozooids have cells called nematocysts(3). The nematocysts release a toxin(4) into anything that they come into contact with. The gastrozooids then attach to the dead/stunned victim, and spread over it. They digest it, and tran ....


Killer Bees
496 Words - 2 Pages

.... soon colonized Mexico. In 1990, the first swarm was found in the United States. The bees spread from Texas to New Mexico and Arizona and then into California by 1994. The bees reached an apparent climatic limit to their southern range in the middle of Argentina, and their range is expected to be similarly limited to the southern and coastal states in the United States. They have hybridized to some extent with resident wild and hive populations of European honeybees. However, many of the basic African honeybee traits remain, including rapid population growth, frequent swarming, minimal hoarding of honey, the ability to survive on sparse supplies of pollen and nectar, and a h ....


The Wolf
926 Words - 4 Pages

.... with their similar faces. They also may look like a German Shepherd. To tell the difference the wolf would have a larger and wider head than any dog. The young ones look like they have smaller heads but they look almost exactly how they would look if they were full grown with small paws. The wolf would move around by walking, running, or in a big pack with it’s family. The pack can have as much as 36 wolves. Each pack always has two head leaders, one male and the other female. The pack may hunt and go as far as 130 to 13,000 sq. km.(50 to5,000 sq. miles)—and will defend all that land from intruders. The wolf would have soft fur over it body to cover it like a jacket ....



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