Essay Database

… of not only the trees in the forest, but the streams, habitat, watersheds, and even the decaying trees or logs on the forest floor. Managing our forests is not only important to the wildlife, but to our future economy and way of life. We need to…

… atmosphere has been increasing rapidly over the last few decades and continues to do so. 2) Historically, the trends in increase of carbon dioxide started in the late 1700's. This was the approximate time of the Industrial Revolution. At this time,…

… was indeed originated from abiotic surroundings. In fact, organic molecules have been successfully generated from abiotic elements by scientists To understand how this creation of life from abiotic material occured, we have to consider a critical…

… humans have been in search of fuel to power machines and generate energy. Fossil fuels, such as crude oil and coal, discovered beneath the Earth’s surface were found to be an excellent source of fuel. These fossil fuels are burnt in order to generate…

… medium, which like never before is becoming a medium of communication and interaction between humans, namely the World Wide Web. This old but yet new medium is expanding and changing rapidly, thus making it close to impossible to control. The World…

… into five stages.They are: oral, anal, phallic, latency, and genital, each occurring sequentially according to age. The first stage occurs from birth to about fifteen months. A child’s primary source of pleasure is derived from things going in or…

… serves as an insect trap. The mouth, consist of a tongue and two sets of special teeth. The frog has a large elastic gullet that allows it to swallow large prey. Food passes from the gullet through the tubular esophagus and then into the stomach. Then…

… the world, tea and coffee rival each other as mankind's most popular brewed beverages. For thousands of years, however, tea has had one great advantage over coffee: it is believed to have a wide range of medicinal properties. In his book,…

… tetrapods were the first vertebrates to actually walk the solid earth. They began their conquest of land in the Paleozoic era around 360 million years ago. The question many paleontologists have been asking for a long period of time is whether the…

… physiological response to the increased food in your stomach. Food inters the stomach and it increases the pH and H+ decreases thus the stomach get more basic. The stomach walls are also stretched. Chemoreceptors and stretch receptors detect the…