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Thursday, May 29, 2008

What Types of Sharks Lived Millions of Years Ago?

The first cartilaginous sharks appeared 370 millions years ago. Their size, their appearance and their fossilized remains tell us an amazing story, the sharks history! What types of sharks lived millions of years ago? Well, here are a few facts about them.

The first interesting fact about prehistoric sharks is that contrary to todays numbers, sharks used to represent 60% of the fish population while now; this percentage has dramatically dropped to 3%.

The size of sharks varied as much as 1 m up to 40 m in length. There were peculiar species of sharks such as flying sharks which escaped larger predators by flying out of the water. Others, like the Megalodon which lived from 5 to 1.6 million years ago, were the largest predator that ever swam in the waters of our planet.

They were so large that their huge teeth which measured as much as 17 cm are mainly the testimony of their existence. The Megalodon was as long as a Greyhound bus and weighted as much as 7 or 8 Tyrannosaurus Rex.

There were also huge differences between males and females. In several species, the male displayed a horn-shaped sexual ornament that was covered with shark teeth. These sharks also proudly show off bright colors.

Some prehistoric sharks were so huge that they would feed on medium size sharks, dolphins and whales. If you put an average size man in the mouth of a Megalodon, it would fit standing up since its jaws were so big.

With sharks as diversified, strange looking and of impressive dimensions, no wonder they made history!

My name is Sylvie Leochko. Sharks are fascinating animals but there is so much more to learn about them beside the various types of sharks, there is also their history. Yes, in fact if you fear the great white shark, terror is too small of a word to describe what you would feel if you came face to face with the Megalodon shark which is the prehistoric ancestor of the great white shark. If your curiosity wants to learn more about this historic fish, I strongly suggest that you follow this link: http://sharks.findoutnow.org/types-of-sharks.html .

Paternity Testing Kits

Although not too long ago, someone seeking a paternity test would have needed to visit a special clinic or physician to be tested, now you can get a DNA test right in the comfort of your own home. You don't have to have any special skills either. As a matter of fact, while a few years ago, you would have spent an arm and a leg for testing, you can purchase a home test now for as little as $20! Of course, you will need to pay the lab for the processing, but the difference in price is phenomenal.

How the Testing Process Goes:

You will receive the test in the mail after ordering it. For discretion purposes, it will be a plain looking envelope or package and you will also receive a similar plain looking envelope to return the results. You will first label everything so that your test will be identified as yours and you will fill out the envelope. You will follow the testing process directions and collect the required samples and then mail them back to the lab.

There will be different envelopes for each person that will participate in the test. Of course, you must fill out all information on forms and envelopes so that they can be correctly identified. Then you will typically use a treated cotton swab to swab the inside of the left cheek and the inside of the right cheek. There are normally two swabs for each cheek for each person. Of course, be sure that the end of the swab touches nothing but the inside of your cheek. Rub it around on the inside of your mouth, using a circular and up and down motion. Once you have used the swab, immediately put it into the envelope. When you've done both swabs, place them in the envelope and seal them.

Once you have tested each person, the swabs should be in the corresponding envelopes which are filled out and sealed. You will then make sure all forms and payment information is filled out and the information on how your results will come back to you. You can often find out online through your e-mail address. You will place all of the envelopes and such into the larger envelope to mail it. Most companies will have the results ready within a week, but all companies are different. You can also usually get a faster service for an additional fee. Results are 100% accurate if the man is not the father and 99.9999% sure if the man is the father.

Are you uncertain about your child's paternity? Do you desperately need answers but don't know where to turn? Have you considering getting a paternity test but are unsure about how they work? Well, we can help! At DNA Paternity Testing Information, we provide confidential and quality information about home and medical paternity tests. Visit http://www.dnapaternitytestinghelp.com today and find the information you need.

Kakadu National Park In Australia: How To Avoid The Tourist Crowds

Kakadu National Park in Frog Toad Supplies Northern Territory is without doubt one Sitemap Videogamesconsoles most popular tourist Sitemap in Australia. It is a must see for anyone Frog Toad Supplies E2macpets Australia's tropical regions.

Nowhere else in northern Australia will you be able to gain the same appreciation Ball Python Supplies understanding of tropical habitats, see as much wildlife, learn about Aboriginal culture, see ancient rock art, climb Ball Python Supplies swim at spectacular waterfalls and, and, and...

Almost Grand Theft Auto Sets World Record square kilometres (3.2 million acres) in Pet Reptile Supplies - the same size as Denmark Videogamesconsoles Ireland! - Pet Reptile Supplies National Park is the History Grand Theft Auto one in the world to protect the entire catchment area of a major river system, the South Alligator River.
The habitats range from the high stone plateau to forest woodland, from monsoon rainforest to open savannah-like flood plains dotted with billabongs, from mangrove-fringed estuaries to the coastal beaches of the Arafura Sea.
As a result of the diversity of habitats the Videogamesconsoles contains over 1000 plant species, a quarter of all the freshwater fish species found in Australia, Tortoise Supplies over History Grand Theft Auto of all the bird species. Add reptiles, mammals, amphibians, and thousands of insect species a reminder that the tropics really are the breeding ground for the whole planet.
Aborigines have lived in Kakadu for at least 25,000 years (perhaps as long as 50,000 years), the longest continuous surviving human Sitemap in the world. The park is one of the few World Heritage sites to be listed for both natural and cultural reasons. Kakadu is a treasure chest of exceptional galleries of Aboriginal art, some dating back to the Ice Age.

But Kakadu's popularity has one draw back: 200,000 visitors a year, all visiting the same attractions at the same time, don't add to the experience of E2macpets wilderness"...

If you would like to experience the wonders of Kakadu National Park, but want to escape the tourism circus that surrounds it, follow the tips laid out below:

Choose the right time to visit Kakadu National Park.
It is accepted wisdom that the middle of the dry season, from June to August, is the best time to visit Kakadu. This is the time of the year with the most pleasant temperatures, and by far the most tourists. Avoid the biggest Ball Python Supplies by scheduling your trip earlier or later. It might be a bit warmer in May or September, but heck, that's what the Pet Reptile Supplies waterfalls and rock pools are there for.

Choose the right areas within Kakadu National Park.
Most tourists enter Kakadu through the northern entrance, the one closest to Darwin. Be different. Instead of turning left just south of Darwin onto the Arnhem Highway, continue on to Pine Creek, and Grand Theft Auto Sets World Record left there. The Kakadu Highway leads to the southern entrance, which is located only 60km from the main highway. Many of Kakadu's most beautiful waterfalls, like Maguk and Gunlom Falls, can easily be reached from there. And many people who choose the northern entrance never E2macpets it that far.

Choose the right History Grand Theft Auto for your trip.
Kakadu's network of bitumen and gravel roads is fantastic and well maintained. Still, there are several tracks that are accessible by four wheel drive only. Hiringa four wheel drive vehicle greatly increases your reach within Kakadu National Park, and allows you to leave the other tourists behind.

Do you like camping?
Kakadu offers some of the best camping facilities of all Australian national parks. Therefore the managed camp sites, the ones that offer a generator area and a proper bathroom with hot water, fill up quickly. However, there are many bush camping sites that are well maintained, too. And usually they are only accessible by four wheel drive. See Frog Toad Supplies three, and be willing to rough it a bit. As a reward you will wake up to bird songs rather than your neighbour's blaring stereo.

Do youlike walking?
Kakadu also offers an extensive network of walking tracks. You can choose from short half hour walks, to Tortoise Supplies day or even over night trips, and everything in between. The longer the walk, the less people you will meet and the more Tortoise Supplies habitats, flora and wildlife you will see.

To sum it E2macpets to get E2macpets from the tourist masses visit Kakadu National Park in the shoulder season, take your four wheel drive to the southern parts of the park, and be willing to exchange ultimate comfort for the ultimate nature experience. You will treasure the memories of your visit for the rest of your life.

B. Bradtke is the founder and editor of the Outback Australia Travel Guide. Her site specializes in Grand Theft Auto Sets World Record beat travel away fom the tourist crowds.Visit it to find out about the secrets of big attractions like Kakadu National Park, up and coming regions like the Western Australia Kimberley, and for more ideas for travel in the Australian Outback.

The Concepts of Development for the Argumentative Research Paper and the Analytical Research Papers

Writing a research paper is significantly different from creating a personal essay. This is due to the extensive research the author must engage in to complete these papers. Research papers serve as the writer's ideas and opinions intertwined with facts and theories from credible sources. The way in which the paper is presented makes it fall into two separate categories: Analytical or Argumentative. The two can be easily distinguished from one another. Read below to find out how both methods are applied to research papers.

The Analytical Approach to Research Papers

Analytical research papers require the writer to have thoroughly explored the topic being covered. The goal is to provide expert knowledge in a way that is broken down into the writer's own words. With an analytical approach to writing, the writer answers the research question objectively by coming into the project with no pre-conceived opinions about the subject.

Once the writer becomes familiar with the topic they are able to piece together their findings that best represent the purpose of the paper. Put simply, an analytical research paper combines serious contemplation with a critical evaluations of the question.

The Argumentative Approach to Research Papers

Argumentative research papers are also known as persuasive papers. Besides presenting ideas which have undergone much critical thinking, the writer takes one side of an argument and uses it to form a thesis. The thesis is essentially a statement proposing one side of an argument that the writer feels should be taken into consideration.

What separates the argumentative approach from the analytical is the writer's stance which demonstrates being in favor of one side of an argument. Facts and credible resources are then used in order to compliment the writer's position. The point of writing an argumentative research paper is to convince the reader to side with the writer by using reliable sources and making valid arguments.

The main difference between the two types of writing is that the argumentative research paper is an attempt to convince your readers of the validity of a certain view you hold of a subject, while the analytical research paper is an attempt to use your research to give an objective snapshot of what is known about the subject.

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America's Stonehenge - A New Theory

The America's Stonehenge archaeological site is located on the summit of Mystery Hill in North Salem, NH. It consists of enigmatic stone chambers, standing stones, niches, drains, and astronomical alignments. Who built these stone structures and for what purpose?

The professional archaeological community has long argued that the site was built by an eccentric farmer who built his house on the hill between 1825 and 1850. Other researchers have proposed that the site was built by Irish Monks. Both of these theories, although quite popular, have been disproven by the archaeological evidence. Stone tools used to quarry the bedrock and shape stones for the some of the earliest structures were C-14 dated to 3000 years ago. This means the site began construction well before Irish Monk starting building religious communities, and certainly predates any 19th century farmers by over three thousand years. Who else could have built this site?

Archaeology has discovered two groups of artifacts and other evidence at the site. The first group of artifacts dates from the 1800's though the early 1900's. All this evidence is associated with the Pattee homestead on the site (circa 1825-1850) and later picnickers from the early 1900's. The second group of artifacts and other evidence spans from 3000 years ago through the 1600's. All of this evidence is associated with Native American activity on the site. It consists of various stone tools used for quarrying, shards of Native American pottery made and used on the site, petroglyphs (rock carvings), pecked & abraded grooved drains, and other Native American artifacts. The evidence overwhelmingly points in one direction - the site was built by Native Americans.

What was the purpose of these stone structures? Like all cultures worldwide, the Native Americans had their own religious traditions. These religious beliefs involved holding ceremonies with various spirits. They created astronomical alignments to mark the date that a ceremony was to be held and also as a means to call the Sun Spirit into their ceremonies. They carved drains in the bedrock to pour sacred water into during ceremonies. They built stone chambers to hold other important ceremonies.

The theory that America's Stonehenge was built by Native Americans is based upon an exhaustive four year study of the site. This study is carefully documented in the book America's Stonehenge Deciphered.

Not sure what theory to believe? Then take a tour of the site and see for yourself. America's Stonehenge is open year round to visitors (admission fee is charged). For an in depth self-guided tour of the site based upon this new research checkout A Guide to America's Stonehenge pamphlet ($4.95) before your trip. Can't travel to the site in person? Take a tour of the site with a 40 minute documentary film, America's Stonehenge: The History of a Sacred Place

Mary Gage and James Gage (mother & son research team) are co-authors of several books on stone quarrying, historic carved stones, America's Stonehenge, and Native American stone structures in Northeastern United States.

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