This website uses cookies to ensure you have the best experience. Learn more

Http://Www.Paperrater.Com/Free Paper Grader#

1148 words - 5 pages

First adapt radiation after Ordovician Period was the Silurian period, This happened about 443.7 - 416 years ago and after the first extinction. (N/A,N/A) This was the beginning of fresh water fish, plants and animals left the water to be on land. This began the terrestrial form of life with plant being assigned to the cooksonia genus and the vascular systems of complex plants. this period was subdivided into four epochs which had stages. (Fischer,Liu, Yip, and Yu, 1998)

The next period was the Devonian around 408 - 360 million years ago and the Carboniferous Period, about 359.2 - 299 million years ago and after the second extinction. this was divided in to two subsystems the Pennsylvanian and the Mississippian which were subdivided to stages. (Waggoner, 1996) This was a time of the first appearance of amphibians, bony fish, sharks and the diversity of terrestrial life. Also came the beginning of reptiles, the diversity of amphibians, conifers and the first coal beds. (Klappenbach,N/A,)

Next was extinction which is the largest extinction in history. (Alexander, Chang, Tsai, and Wu, 1998) This was the time of diversification of insects and reptiles, with the expansion of conifers. (Klappenbach,N/A,)

Triassic comes after the forth extinction about 248 - 246 million years ago and was divided into seven epochs.( Asaravala, Lam, Litty, Phillips and Wu, 1998) This brings the first dinosaurs the diversity of bony fish, reptiles, many insects and conifers. (Klappenbach,N/A,)

The Jurassic period brought dinosaurs roaming the earth, the first of birds and mammals, more insect, conifers and the diversity of bony fish. the earth had a tropical climate and flowering plants had not evolved yet. when the seas rose North America was flooded and this also go birth to the Atlantic Ocean. (N/A,N/A)

We now go into the Cretaceous, tertiary and quaternary periods between 144 million years ago and the present. near the end of the Cretaceous period was the fifth extinction and the extinction of dinosaurs. This also brought the first modern fish, birds and angiosperms are dominant. In these periods we have the diversity of placental mammals, modern and grazing mammals, primates(anthropoid), many birds, humans origin and family, hominies and the start of the sixth extinction. (Klappenbach,N/A,)

The sixth extinction is more biotic than physical, which is caused by man. How man causing this destruction by transforming the landscape, exploitation of species to the maximum, pollution and bring in alien species. This extinction is divided into two phases, first when man began moving to other parts of the world some 100,000 years ago. part two started 10,000 years ago when man got into agriculture. Man over hunted certain species and may even brought diseases to species that never had human contact before. Man is destroying ecosystems more species are...

Find Another Essay On http://www.paperrater.com/free_paper_grader#

Psychological Egoism Theory Essay

2240 words - 9 pages The theory of psychological egoism is indeed plausible. The meaning of plausible in the context of this paper refers to the validity or the conceivability of the theory in question, to explain the nature and motivation of human behavior (Hinman, 2007). Human actions are motivated by the satisfaction obtained after completing a task that they are involved in. For example, Mother Teresa was satisfied by her benevolent actions and

How Celtic Folkore has Influenced My Family

1587 words - 6 pages Conor Cruise O'Brien. The Story of Ireland. New York: Viking, 1972. Print. Sims, Martha C., and Martine Stephens. Living Folklore: An Introduction to the Study of People and Their Traditions. Logan: Utah State UP, 2005. 99. Print. "The Origins and Influence of The Celtic Cross.” 29 Sept. 2009. Web. 08 Nov. 2011. . Thuente, Mary Helen. W. B. Yeats and Irish Folklore. Totowa, NJ: Gill and Macmillan, 1981. Print.

Julia Margaret Cameron

1406 words - 6 pages At a time when women were looked upon as being homemakers, wives, mothers and such the late 1850's presented a change in pace for one woman in specific. Photography was discovered in 1826 and soon after the phenomenon of photography was being experimented with and in turn brought new and different ways of photo taking not only as documenting real time, but also conceptualizing a scene in which an image would be taken. Julia Margaret Cameron will

Evaluation of School Improvement

1403 words - 6 pages Georgiaville Middle School, November, 2011. Nolan, J. F. (2008). Teacher supervision and evaluation: Theory into practice 2nd ed. Hoboken, NJ: John Wiley & Son, Inc. Oliva, P. (2009). Developing the curriculum for educational management corporation. Garland, TX: Addison Wesley. Wang, S., & Hsua, H. (2008). Reflections on using blogs to expand in-class discussion. TechTrends, 52(3), 81-85. Retrieved from http://search.proquest.com/docview/223124027?accountid=34899

Case Study: The Benefits of Animal Testing

1757 words - 7 pages Nine year old Amy has already had a rough start in life. She was born with an abnormal heart that hinders her everyday activities. Amy is unable to keep up with kids her own age because she often tires out easily. As a consequence, she has very little friends and is often alone. Amy is forced to take different medications everyday just to survive. Amy’s life consists of medicine, doctors, and constant hospital visits. However, Amy is due for a

Myth and Magic: Realism in "One Hundred Years of Solitude"

1531 words - 6 pages Garcia Marquez." Wikipedia, the Free Encyclopedia. 1 Dec. 2011. Web. 2 Dec. 2011. García, Márquez Gabriel. One Hundred Years of Solitude. New York: Harper & Row, 1970. Print. MacEwan, Michelle. "The Power of Myth and Storytelling: Part 5 – The Sustenance of Myth." Http://www.michellemacewan.com. Michelle MacEwan Trust, 31 July 2009. Web. 2 Dec. 2011. "Magic Realism." Dictionary.com | Find the Meanings and Definitions of Words at

Adiponectin: a Novel Indicator of Malnutrition and Inflammation in Hemodialysis Patients

2384 words - 10 pages Objective Protein-Energy malnutrition (PEM) and inflammation are common and overlapping conditions in hemodialysis patients which are associated with increased risk of morbidity and mortality. Adiponectin is an adipocytokine which is exclusively produced by adipose tissue. Few studies in hemodialysis patients have demonstrated that serum levels of adiponectin were significantly higher in malnourished patients compared to well-nourished ones. The

The Congo Free State: A Legacy of Apathy, Exploitation and Brutality

2298 words - 9 pages Between 1885 and 1908, Belgium’s Leopold II ruled Congo, a region in central Africa, as his personal colony, exploiting the resources and inhabitants for his own gain. Leopold allowed and encouraged Europeans and other Westerners to enter Congo and set up companies whose primary purpose was to gather rubber, which was abundant but difficult to get to in the Congo, using the Congolese as the laborers for the Europeans. Rubber gathering in Congo

Selective Exposition in The Lottery, by Shirley Jackson

1073 words - 4 pages Usually when someone hears the word “lottery” the first thing that comes to mind is a large sum of cash that people compete against highly impractical odds to win. Shirley Jackson’s story The Lottery might imply a similar conception based on the title alone, but the story is filled with unknowns never revealing exactly when and where the story takes place, or why the lottery exists; even what the lottery is isn’t revealed until the very end. Yet

Lightning

1857 words - 7 pages ). When there is a great imbalance between positive and negative charges in the atmosphere an electrical discharge takes place, this electrical discharge is classified as lightning. (http://environment.nationalgeographic.com/environment/natural-disasters/lightning-profile/) About 80% of all lightning occurs between clouds, with the other 20% occurring between the ground and clouds. Lighting events also generate a great amount of heat, which can be

Maryland's Ecology and Environment

1130 words - 5 pages , Philip D., Grace S. Brush, & George W. Fisher. (2001). Discovering the Chesapeake. The History of an Ecosystem. The Johns Hopkins University Press, Baltimore. Fighting Climate Change to Secure a Sustainable Future for Maryland. (2011). Retrieved from http://www.dnr.md.gov/dnrnews/pressrelease2010/061710b.asp Jones, K. Bruce, Kurt H. Ritters, James D. Wickham, Rober D. Tankersley, Robert O’neill, Deborah J. Chaloud, Elizabeth

Similar Essays

When The Bubble Burst Essay

1539 words - 6 pages By the time I arrived state side from my second tour in the Middle East the housing bubble had already burst. I noticed a drastic change in the way that many of my friends and family were living. Several of my friends that worked in real estate had sold their boats and seconds houses. My own stock portfolio had lost a third of its value. My sister and her husband had defaulted on their home mortgage leaving them scrambling for a place to live. I

Phase Diagram Essay

4456 words - 18 pages Introduction: Chemical equilibrium is a crucial topic in Chemistry. To represent and model equilibrium, the thermodynamic concept of Free energy is usually used. For a multi-component system the Gibbs free energy is a function of Pressure, Temperature and quantity (mass, moles) of each component. If one of these parameters is changed, a state change to a more energetically favorable state will occur. This state has the lowest free energy

Revolutionary Work Of Art Essay

1890 words - 8 pages Walter Benjamin emphasizes in his essay, “The Work of Art in the Age of its Technological Reproducibility” that technology used to make an artwork has changed the way it was received, and its “aura”. Aura represents the originality and authenticity of a work of art that has not been reproduced. The Sistine Chapel in the Vatican is an example of a work that has been and truly a beacon of art. It has brought a benefit and enlightenment to the art

Enlightenment Thought In New Zealand Schools

1594 words - 6 pages [1784]). What is Enlightenment? In I. Kramnick (Ed.), The Portable Enlightenment Reader (pp. 1-7). New York: Penguin. Kramnick, I. (1995). Introduction. In The Portable Enlightenment Reader. (pp. ix-xxiv). New York: Penguin. Kramnick, I. (1995). The American Declaration of Independence. In. The Portable Enlightenment Reader, (pp. 448-452). New York: Penguin. Mallard, T. (2001). Speech to Auckland Primary Principals’ Association. http