When evolution occures, it is localized in rare and rapid events that are proven by the fossil record, as well as a thorough study of natural history (Gould and Eldredge, 1972). There are, however, gaps in the fossil record that remain controversia Continue Reading...
" (Sukumaran, 2004) Mutation is what results in the difference and may be utilized as a measure of the time that has elapsed since separation of the species from the common ancestor during evolution. This is a method of "inferring the divergence of t Continue Reading...
Museum Methods museum is usually a non-profit organization with intent to provide education and enlightenment by the organized collection, preservation, interpretation and exhibit of items deemed to be of interest to the public or community. Historic Continue Reading...
twenty million years ago the Indian plate collided with Asia; this generated the Himalayan mountain range, which drastically altered the earth's climate forever after. Basically, "The climate became drier and the forests of what is now Africa and As Continue Reading...
Homo Erectus: Who was the earliest modern ancestor of today's homo sapiens? Homo Erectus was a species of mammal that was, in form and function, a modern foreshadower of today's human being. Homo Erectus lived from about 1,900,000 years to about 400 Continue Reading...
Public International Law Memorandum for preparation for next year's negotiations for the Conference of the Parties (COP) President XI Jinping of China Preparation for next year's negotiations for the Conference of the Parties (COP) Climate Change Continue Reading...
Environmental Economics Economics and Nature Conservation From early childhood, one is taught of the importance of the surrounding environment in all human activities. Forests for instance are crucial sources of fresh air and clean water, as well a Continue Reading...
If the temperature is taken miles away, or if the insect that was found and studied was not exactly the same as one that had been studied before, only similar perhaps, the defense attorney will also often argue that the entomologist's testimony is Continue Reading...
Wind Farms in Canada As pollution and global warming threaten our environment, wind farms represent a particularly sustainable response via the creation of energy from wind. In Canada, the wind farms are becoming more and more popular and a questio Continue Reading...
Ultra Long-Term Perspectives World Energy Energy is a very important part of our lives and the world that we live in today. It has always been important since the time that the humans used to do all their work by themselves to the times when they st Continue Reading...
The burning of fossil fuels affects the environment, leading to air pollution, global warming, severe climate changes, and health problems such as asthma. Alternative sources of energy may be more expensive or more difficult to obtain, but the negat Continue Reading...
Environmental Issues Faced in 21st Century Aviation Reducing Communication and Coordination Tools and Metrics Technology, Operations and Policy Demand Aviation and the Environment Effects on the health Local Air Quality Climate Change Total Continue Reading...
International Regulation of Tourism in Antarctica Since the mid-1980s, Antarctica has been an increasingly popular tourist destination, despite the relative danger of visiting the largest, least explored -- and arguably least understood -- continent Continue Reading...
In Paleontology, however, these wing digits have been considered as digits 1, 2 and 3 based on phylogenetic assessment of the fossil lineage suggesting that birds have evolved from theropod ancestors that had lost the fourth and fifth digits. Critic Continue Reading...
Global Warming Major Issues of the 21st Century: Who is Responsible for Addressing Global Warming? Global warming is one of the most pressing issues in the 21st century. In the last few decades, the world has experienced higher temperatures, increa Continue Reading...
EVOLUTION What is evolutionary theory and what are causes of evolution and the evidence of evolution? The term 'evolution' evokes varied connotations. In simple and direct terms it is a process of change or development over a long period of time. D Continue Reading...
From the point-of-view of the variation and flexibility of the species such cultivated woody crops rank as no more than cornfields. While the tree farms are conveniently be stretched on the private lands, national forests those are considered pricel Continue Reading...
Wind Power The greatest challenge of the 21st century is filling the gap between energy demand and supply with clean, reliable and green source of energy. Energy is very essential and it is in material form in everything that is around us. The oppor Continue Reading...
While on one hand, the Nile gets the highest discharge from rainfall on the highlands of Ethiopia and upland plateau of East Africa, located well outside the Middle East region; on the other hand, discharge points of the other two rivers, Euphrates Continue Reading...
A survey of scientific responses to extinction at the present moment is fairly unambiguous, however. Paleontologist James Kirchner calculated in 2002 that extinction rates could more or less be statistically inferred from the fossil record, and use Continue Reading...
urban area of Tampa, Florida, and serves as an instrumental case study of how an urban locale can address problems of environmental health and safety. Specifically, this study assesses the failures and successes of Tampa to regulate and reduce water Continue Reading...
Ecology Global Warming: From Milutin Milankovitch to Greenhouse Gases Global warming is one of today's most pressing issues. Though some dispute its existence, the great majority of individuals - scientists and lay people - do believe that the Ear Continue Reading...
This suggests that a philosophy of true deep ecology, or at least an understanding of what it entails, does not really exist on the island. Energy should be focused on maintaining what exists of native species and ecosystems, and of limiting the gro Continue Reading...
preferences by countries can led to different forms of the challenges that they face and the strategies they choose to address these challenges. However, in an increasingly globalized world, many modern challenges are increasingly affecting the worl Continue Reading...
Archeological Survey of Fort/Tomb in Madras (Chennai), India This article will focus on Madras (Chennai), India, where the Thomas Christians are said to have been planted over the centuries. Their heritage is said to date back to the time of Christ, Continue Reading...
The central issue remains the status of the sea; which has prevented any real efforts towards negotiations that could solve the environmental problems. (Experts debate ailing Caspian Sea) Therefore the pollution and other environmental problems in t Continue Reading...
Literature Review, Analysis and Discussion 7,500 words This section presents a review of the recent relevant peer-reviewed and scholarly literature concerning environmental sustainability in general and how environmental sustainability initiatives Continue Reading...
The International Civil Aviation Organization’s Role in International Relations Established shortly before the end of World War II in December 1944 and known as the Provisional International Civil Aviation Organization, the International Civil Continue Reading...
By regulation, the design of the nuclear reactor must include stipulations for human operator error and equipment failure. Nuclear Plants in the western world use a Defense in Depth idea which is a system with numerous safety components, each with Continue Reading...
It had started in the present-day Sahel region of south-eastern Mauritania and western Mali. (The similarities and differences between the rise of complex societies in West and East Africa) The evidence for this is again not in written records, but Continue Reading...
Air Pollution: A Testament to Human History Air pollution is woven throughout the fabric of our modern life. A by-product of the manner in which we build our cities, air pollution is waste remaining from the ways we produce our goods, transport ours Continue Reading...
Sami Entry Into the 21st Century The lives that the Sami lead are so different from the ones that most of the industrialized West lead that we might be inclined to view them as something out of history - a sort of living fossil. But, in fact, their Continue Reading...
An article in the Saturday Evening Post relates the story of a scientific party in a whaling boat on the Bering Sea in the early 20th Century "witnessed an awesome sight when, with mighty roars, fire and smoke and exploded lava shot out of the water Continue Reading...
During this penultimate period of violence under Rojas, the violence that wracked Colombia assumed a number of different characteristics that included an economic quality as well as a political one with numerous assassinations taking place. These w Continue Reading...
Environmental Tour: The Russian Domain and the BalkansOverviewThe Russian Domain is enormous, stretching from the Pacific Ocean to the Black Sea, and the Balkans extend that territory to the Mediterranean Sea. It is thus a region that is truly Eurasi Continue Reading...
about.com. 2011. Some facts about the actual costs of recycling vs. traditional disposal expenses is presented by this article, and is certainly worthy of examination: a) a well-run curbside recycling program costs between $50 and $150 per ton; b) t Continue Reading...
Two general approaches are used in connection with mangrove restoration. One method only focuses on the replanting of mangroves to replenish those that were lost. The other concentrates on discovering the reason for losses and preventing further lo Continue Reading...
In India, the government is attempting to bring the focus of attention on the presence of fine dust particles as well as the presence of fly ash in the air, and this attempt is being carried out by a series of mitigation measures. The need of the da Continue Reading...
While feminists often militate for environmental conservation, one particular stance they take in this direction is that of addressing the issue of gender differences in environmental issues. The feminist approach to environmentalism promotes a sup Continue Reading...
