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Hypotheses Of The Effects Of Wolf Predation

... - multiple prey relationships. The effects of predation can have an enormous impact on the ecological organization and structure of communities. The processes of predation affect virtually every species to some degree or another. Predation can be defined as when members of one species eat (and/or kill) those of another species. The specific type of predation between wolves and large ungulates involves carnivores preying on herbivores. Predation can have many possible effects on the interrelations of populations. To draw any correlations betwe ...

Number of words: 1767 | Number of pages: 7

Global Warming 4

... information on this problem. Right now, the rate of global warming may be 100 times faster than it has ever been. Very soon the earth may become hotter then at any time in human history. In the last decades the problems of atmospheric change have been gravely advanced by pollution resulting from human activities. These environmental changes pose a real threat to the lives of people and wild life.It is vital to all of us that we fully understand the complex relationship between the atmosphere and the earth. The earth is getting warmer. the ...

Number of words: 773 | Number of pages: 3

David Levinson: Seasons' Of A Man's Life

... 40 men were between 35 to 45 years in age and they worked as either biology professors, novelists, business executives or industrial laborers. The biographical interviews lasted one or two hours and ranged from six to ten interviews for each subject. The questions asked focused on the subject's life accounts in their post adolescent years. The interviews focused on topics such as the men's background (education, religion, political beliefs) and major events or turning points in their lives. Levinson's concept of life structu ...

Number of words: 4195 | Number of pages: 16

Agent Orange

... most lethal compounds known to man (Nguyen, 2). Ironically, the dioxin, which makes lethal to humans, isn’t intended to kill plants at all (Vancil, 1). It is extremely hard to prove, however, that dioxin is responsible for the countless illnesses acquired by many Vietnam veterans because each individual has their own tolerance to dioxin (Vancil, 1). Many soldiers in the Vietnam War encountered repeatedly. Their lives revolved around the 55-gallon drums, which once were filled with an extremely harmful herbicide. Unaware of the pos ...

Number of words: 724 | Number of pages: 3

Iron And Rust

... that it is known to be an electrochemical reaction. Three methods may be used to prevent iron from rusting: (1) alloying the iron so that it will be chemically resistant to corrosion which is the most satisfactory method of the three but also is the most expensive. A good example of this method is stainless steel. (2) Coating the iron with a material that will react with the corroding substances more readily than the iron does which leads it to protect the iron from corroding. This method is also satisfactory but is also expensive. The mos ...

Number of words: 410 | Number of pages: 2

Bipolar Disorders

... success. Because bipolardisorder has such debilitating symptoms, it is imperative that we remain vigilant in the quest for explanations of its causes and treatment. Affective disorders are characterized by a smorgasbord of symptoms that can be broken into manic and depressive episodes. The depressive episodes are characterized by intense feelings of sadness and despair that can become feelings of hopelessness and helplessness. Some of the symptoms of a depressive episode include anhedonia, disturbances in sleep and appetite, psycomoter reta ...

Number of words: 1763 | Number of pages: 7

Through A Narrow Chink: An Ethical Dilemma

... and for a small fledgling company in Mexico of all places to find it first only added to the excitement of the achievement. Yet aside from all this excitement and competitive fervor something great and disturbing was being bypassed. Science, in my view had done something great without looking into the possibilities of where this would lead. I believe Djerassi, similar to most scientists of his day, was so entranced by the excitement of synthesizing his product and achieving his goal that he did not stop to think of the ramifications of his ...

Number of words: 1217 | Number of pages: 5

Platinum

... was accomplished in the early 19th century. An Italian scientist, Julius Scaliger, discovered platinum in 1557, but fairly large quantities were not discovered until around 1750, when the Spaniards discovered it in Peru. They named the metal platinum, deriving from their word plata, meaning silver. The ore, called native platinum, usually occurs in beds of gold-bearing sand. Miners call it white gold. Native platinum contains from 60 to 85 percent pure platinum. The small, irregular grains that contain the ore also contain other rare met ...

Number of words: 640 | Number of pages: 3

The Noble Gases

... helium in the sun¹s spectrum. Helium is not found a lot on the earth because gravity cannot keep helium from escaping to space. Helium is found mostly in stars, where it goes through nuclear fusion with hydrogen. Most Helium comes from natural gas taps in North America. It is used in balloons and divers use it with oxygen to breath easier and to not get sick or dizzy. Neon is an element that is lighter than air. The element is found most common in the atmosphere of the earth. It is also found in the earth¹ s crust. It was discov ...

Number of words: 454 | Number of pages: 2

Computer History

... in some instances, today's computer related technologies have emerged. A major influence in the development of what is now known as the computer were made by the United States military in the 1940's and 1950's. The needs of the military at the time required that a system be created that could aid in the aiming of ballistic military equipment. Today’s modern computers are undoubtedly the result of the United States military’s early developments and technological advancements in computing. Because of the military’s need for the computer e ...

Number of words: 1410 | Number of pages: 6

Fetal Development

... genetic material that it needs to make a new human being. It nows begins to move down into the uterus. The egg is now called a blastocyst. The time that this takes is often measured after the last menstrual period(LMP). The time is also measured in trimesters, three month intervals. After about thirty hours the cell divides for the first time. It is continuously moving towards the uterus where it will call home for the next nine months. After about two days it has divided to having about eight cells. After four days it is ...

Number of words: 2666 | Number of pages: 10

Cloning

... of interesting questions and assumptions. The hope is that this knowledge will subsequently be able to benefit the treatment of a series of different illnesses. In addition, this form of may possibly prove to be fitting in order to manufacture pharmaceutical drugs. On the other hand, Dolly has also brought forth disgust and dismay. animals reflects a lack of respect for the individual animal's integrity and that the application of such technology will result in undesirable shifts in our view of how we may treat animals and how radically ...

Number of words: 544 | Number of pages: 2

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