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Free research papers and essays on topics related to: species

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  • Animal Species - 650 words
    Animal Species Living creatures on Earth need three basic things in order to survive: the ability to eat, breath, and reproduce. All animals are able to do so. Animals are divided into species, among these species are: Mammals, Reptiles, Arthropods, and Aves. Mammals, also known as Mammalia, come from Latin meaning mamma breast. They are called this due to the fact that Mammals are the only animals which have mammary glands, which enable them to nourish their young solely on milk secreted from these glands. Mammals are warm blooded, and all, except for marine mammals, are mostly or completely covered with hair. Mammals give birth to live young, however, there are a few rare exceptions to thi ...
    Related: species, latin, cavity
  • Causes Of Endangered Species - 1,209 words
    Causes Of Endangered Species CAUSES OF ENDANGERED SPECIES The term endangered is used by international and national organizations to define plants and animals currently in danger of becoming extinct. Although the term endangered is universally used, the definition of an endangered species is greatly varied. In most cases, the factors causing an organism to become endangered are human- related. When discussing the causes of endangered species, it is important to understand that individual species are not the only factors involved in this dilemma. Endangerment is a broad issue, one that involves the habitats and environments where species live and interact with one another. Although some measu ...
    Related: endangered species, foreign species, native species, species, human activity
  • Darwins Origin Of Species - 1,665 words
    Darwin's Origin Of Species When the name Charles Darwin is uttered, an immediate association brings about the concept of Evolution. Although he was not the first to discover this phenomenon, he was the first to explain it. In his book, The Origin of Species, Darwin discusses evolution- through variation, why it occurs, the struggle for existence, natural selection, the geological record, and several other topics. This book brought him great recognition as well as many violent attacks. It was written in a time in history when the people were very strong believers in the Church and God. Darwin was the first to contradict their religious beliefs of Creation, and was pummeled with criticism. Alt ...
    Related: charles darwin, origin, origin of species, species, different types
  • Darwins Origin Of The Species - 225 words
    Darwin's Origin Of The Species Darwin is considered the father of evolution. In truth, Darwin arrived at his theory of evolution at the same time another scientist, Alfred Russell Wallace, came to the same conclusion. However, Darwin was a respected scientist even before he wrote On the Origin of Species, while Wallace was relatively unknown, so people were more inclined to listen to Darwin. Origin enjoyed immediate success: its first printing sold out immediately and a second printing following a month later. Darwin's ideas found their way out of the scientific world and into the business world and even society itself. In many senses, Darwin's theories created a societal transformation. Dar ...
    Related: origin, origin of species, species, business world, theory of evolution
  • Endangered Species - 634 words
    Endangered Species ENDANGERED SPECIES Endangered species are living things whose population is so reduced that they are threatened with extinction. Thousands of species are included in this category. The International Union for the Conservation of nature and Natural Resources publishes a list of threatened mammals, birds, reptiles, amphibians, and (many people dont consider them) plants. CAUSES OF EXTINCTION Millions of years before humans, extinction of living things was linked to geological and climate, the effects of which were translated into major alternation of the environment. Environmental change is still the primary cause of the extinction of animals, but now the changes are greatly ...
    Related: endangered species, species, environmental change, new england, peregrine
  • Endangered Species In Canada - 1,479 words
    Endangered Species in Canada There are many trillions of living creatures, and millions of different kinds of animals and plants share our planet (pg 46, Savage). Each Kind, or species, is special and unique. But, some of these species are in danger of disappearing forever, just as the passenger pigeon did. When the last member of a species disappears, that species is said to be extinct. Never again will there be another creature of that type on the planet for eternity. In the following essay it will be proven that Canadian Wildlife is becoming endangered due to the actions of man. Our Country was once filled with wildlife, and in the past, people hunted without worrying about the future. It ...
    Related: canada, endangered species, species, human population, africa asia
  • Hominid Species - 1,918 words
    Hominid Species Hominid Species The time of the split between humans and living apes used to be thought to have occurred 15 to 20 million years ago, or even up to 30 or 40 million years ago. Some apes occurring within that time period, such as Ramapithecus, used to be considered as hominids, and possible ancestors of humans. Later fossil finds indicated that Ramapithecus was more closely related to the orang-utan, and new biochemical evidence indicated that the last common ancestor of hominids and apes occurred between 5 and 10 million years ago, and probably in the lower end of that range. Ramapithecus therefore is no longer considered a hominid. The species here are listed roughly in order ...
    Related: hominid, species, homo erectus, musical instruments, limestone
  • Origin Of Species - 397 words
    Origin Of Species Considered one of the most significant, influential, and controversial publications in history, this book, I felt would be interesting to read and learn from. Although his content in this particular book is the subject of much controversy, Darwin's proffesional contributions and accomplishments will remain well known and respected. Therefore, I selected The Origin of Species believing that it would prove to be a stimulating and challenging reading experience. This famous book discusses in-depth many important aspects of the study of life. Darwin analyzes various issues including: creation, spontaneous generation, adaptaion, laws of organism variation, hybridism, and natural ...
    Related: origin, origin of species, species, flora and fauna, charles darwin
  • Primate Species Profile - 774 words
    Primate Species Profile Primate Species Profile Red-shanked Douc Langurs What are their names? Scientific name: Pygathrix nemaeus English name: Red-shanked douc langurs How are they classified? Order: Primata Family: Cercopithecidae Did you know..... - That Douc langurs are leaf-eating monkeys with long intestines and very large stomachs to get nutrients out of leaves. Leaves are difficult to digest, so therefore, the langurs spend most of their time sleeping in order to properly digest them. They leaves they eat ferment inside them as part of their natural digestion, which releases bubbles of gas and causes them to burp! - Douc langurs have a specific playface in which the eyes are closed, ...
    Related: primate, profile, species, various types, vietnam war
  • Species Concept - 1,265 words
    Species Concept annon Over the last few decades the Biological Species Concept (BSC) has become predominately the dominant species definition used. This concept defines a species as a reproductive community. This though has had much refinement through the years. The earliest precursor to the concept is in Du Rietz (1930), then later Dobzhansky added to this definition in 1937.But even after this the definition was highly restrictive. The definition of a sp ecies that is accepted as the Biological species concept was founded by Ernst Mayr (1942); “..groups of actually or potentially interbreeding natural populations which are reproductively isolated from other such groups” However, ...
    Related: origin of species, species, flowering plants, homo erectus, experiment
  • Species Preservation - 1,639 words
    Species Preservation One issue that has been a controversy is the preservation of endangered species. Ever since the 1960's, scientists have been fighting for laws and acts to protect animals and plants in keeping them in good health and their populations high in numbers. The problem is animals and plants are having trouble surviving in today's world which leads them to be classified as endangered or threatened. Endangered, meaning animals or plants with little population that the species could soon become extinct and threatened is less severe and basically just means that they are close to becoming endangered. By species becoming endangered, this affects our habitat's biodiversity. Today, h ...
    Related: endangered species, foreign species, native species, plant species, preservation, species
  • The Orgin Of The Species By Charles Darwin 18091882 - 1,340 words
    The Orgin of the Species by Charles Darwin (1809-1882) The Orgin of the Species by Charles Darwin (1809-1882) Type of Work: Natural history text First Published 1859 Complete Title The Origin of Species by Means of Natural Selection , or the Preservation of Favored Races in the Struggle for Life Book Historical Commentary Charles Robert Darwin, the grandson of the English scientist Erasmus Darwin, studied medicine at the University of Edinburgh and prepared for the ministry at Cambridge. Following his abiding interest in natural history, however, he became a naturalist and sailed in this capacity on the H.M.S. Beagle from 1831 to 1838. The Beagle's expedition took Darwin to various Southern ...
    Related: charles darwin, charles lyell, charles robert darwin, darwin, erasmus darwin, origin of species, robert darwin
  • There Are Many Different Life Forms On Earth New Species And Different Sub Species Are Evolving Every Second As Others Die Ou - 1,229 words
    There are many different life forms on earth. New species and different sub species are evolving every second as others die out. In order to explain the origin of life, people have used the bible story of creation, while others came up with their own theories. Out of all those theories, the theory of evolution by Charles Darwin seems to have the most supporting evidence to back it up. Evidence on earth suggests that single cell creatures are the ancestors of all life. These organisms slowly evolved into air breathing creatures when oxygen was created. Slowly, the as land dried up, these creatures moved away from the water and on to land where they evolved legs and a strong back bone. The the ...
    Related: evolving, life changes, origin of life, species, the bible
  • None - 262 words
    To investigate the abiotic factors which affect the biodiversity of invertebrate organisms in a series of 6 ponds over a period of 2 months. By Contents Page Abstract Contents page Introduction Hypothesis Method Results Conclusions Limitations Reliability Sources of error Modifications Appendix Bibliography Footnotes Acknowledgements Abstract For this investigation I visited 6 ponds and a spring, at each location I recorded the following data: Temperature Turbidity Colour and appearance of water pH of water Nitrate level of water Ammonia levels of water Oxygen levels of water Number and species of life present in the pond I will use shop brought chemical tests for many of the chemical analys ...
    Related: chemical analysis, abstract, species, pond
  • 20,000 Leagues Under The Sea - 203 words
    20,000 Leagues Under The Sea Captain Nemo is, by far, the best of all the characters. He show quickness, a cunning and charming personailty. Captain Nemo is the captain of this extravagent under water ship called the Nautilus. On his ship the scavage the surface of the ocean under them in search for food, supplies, and new species of animals. One day the Nautilus picks up some people who are ship wrecked and just floating around on the ocean. Captain Nemo invites the people abord his ship and treats them as the highest of guest. The few people who were ship wrecked start to get a little noisey and snoop around. One of the men even tries to sabotage the ship. The man's attempt fails. Although ...
    Related: defoe, magnificent, crew
  • 51000 - 994 words
    5/10/00 Globalization and Ideal Landscapes Globalization is a broad term that has several meanings to different factions, cultural Groups and nations. For our purposes globalization refers to the loss of time and space through the rapid development of technologies. It also refers to a world in which all nations and peoples are directly or indirectly connected through the international economy and world politics. This rapid trend toward a globalized world has seen supporters from both the first world financial sectors and the mass producing agricultural sector. Its main detractors have been environmentalists and the indigenous peoples who are adversely affected by the encroaching nature of gl ...
    Related: point of view, computers and the internet, indigenous people, landscape, supporters
  • A Parasite Is Defined As An Organism That Lives In Or On Another Organism, Called A Host 2 If The Parasite Has The Capacity T - 1,538 words
    A parasite is defined as an organism that lives in or on another organism, called a host (2). If the parasite has the capacity to cause disease in the host then the parasite is called a pathogen. Disease in the host is caused by the infection of the parasite. The interaction between the host and parasite is complex. Both the pathogen and the host strive for survival in some of the cases. The pathogen divides within or on the host in an attempt to keep its species alive while the hosts defense mechanisms simultaneously attempt to eliminate the pathogen. The extent of the battle for survival varies depending on the relationship. This paper discusses the disease state of Chlamydia; how the orga ...
    Related: capacity, host, organism, parasite, upper saddle
  • A Reaction To Clive Pontings A Green History Of The World - 1,810 words
    A Reaction To Clive PontingS A Green History Of The World A Green History of the World has been very educational reading and has given me a new prospective on the environment. While I do disagree with some of Clive Pointings views I have learned a lot from his work. A Green History of the World was a very in-depth look at the past and the future of our environment. Pointing raised my consciousness regarding the trials we face as inhabitants of this great planet and left me with some food for thought. After reading Chapter One I found myself entranced by the mystery of Easter Island and excited about the information A Green History of the World had to offer. I had virtually no understanding o ...
    Related: clive, history, third world, third world countries, world countries
  • A Sociological Look At Jaws - 1,690 words
    A Sociological Look At Jaws The movie I choose to review was Jaws, which is one of my favorites and a timeless classic. A traditional story about man against beast takes place on an island that depends on its summer tourist business. When the summer season in threatened by a series of shark attacks three men are sent out to track down a great white shark. The three main (human) characters are Brody (Roy Scheider), the police chief, who came to the island from New York looking, so he thought, for a change from the fears of the city. There's Quint (Robert Shaw), a caricature of the crusty old seafaring salt, who has a very personal reason for hating sharks. And there's Hooper (Richard Dreyfuss ...
    Related: jaws, sociological, turning point, working class, ocean
  • A Vindication Of The Rights Of Women - 280 words
    A Vindication Of The Rights Of Women In A Vindication of the Rights of Women Mary Wollstonecraft wanted to point out the indifferences women faced at that period in time. In the her work of literature she stated, "they are treated as a kind of subordinate beings, and not as part of the human species," In this point in time women could never of gained their independence they were ruled by society itself. They had to adhere to certain standards as if it was a rule and if they broke it they were punished. Women were seen as inferiors to men. They weren't allowed to get an education or even have their own ideas. The character of women in my opinion was falsified as if they had to repress their d ...
    Related: vindication, mary wollstonecraft, limit, woman
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