Biology Essays Examples For College & High School Students in PDF

10822 total results

The Changes Brought on by the Scientific Revolution (2265 words, 3 pages)

Major turning points in the world are often due to new discoveries that leave a lasting impression on civilization. Such discoveries challenged beliefs and traditions of every culture in every century. During the medieval period of time, people believed that everything in nature and society were connected and the Earth ... Read More

Genetic Engineering and the Future of Mankind (921 words, 2 pages)

Willard Gaylin stated, "I not only think we will tamper with Mother Nature. I think Mother wants us to." Many believe that new technological advancements in genetic engineering will have an extraordinary medical and progressive effect on human societies. Numerous people have declared that this new technology in genetic and ... Read More

Description of Differences of the Nine Planets of the Solar System (2604 words, 4 pages)

The earth is only one small planet in an extremely large system of planets, satellites, asteroids, meteors and comets that revolve around the sun. This system is referred to as the solar system. A planet is defined as a celestial body that revolves around a central star and does not ... Read More

Role of Plate Tectonics in Creating Ocean Basins (519 words, 2 pages)

Plate Tectonics is theory of global tectonics (geologic structural deformations) that has served as a master key in modern geology for understanding the structure, history, and dynamics of the earth's crust. The theory is based on the observation that the earth's solid crust is broken up into about a dozen ... Read More

The Operation of Fuel Injection Systems (1594 words, 3 pages)

The Operation of Fuel Injection Systems 1. The Fall of the Carburetor For most of the existence of the internal combustion engine the carburetor has been the device that supplied fuel to the engine. On many other machines, such as lawnmowers and chainsaws, it still is. But as the automobile ... Read More

The Concept of Faith in Technological, Scientific and Artistic Context (1569 words, 2 pages)

What characterizes the concept of fate? How do liturgical, literary and artistic creations deal with its presence? Alongside technological, scientific and artistic developments come different perceptions of mankinds own raison-dtre and the status of his existence. The thought of a master puppeteer controlling each and every fibre of human life, ... Read More

The Mysteries of the Sun (2323 words, 3 pages)

Astronomy 115W The Mysteries of the Sun Astronomers once thought of the sun and other objects as simple gaseous spheres governed by the basic laws of the universe gravity, temperature, pressure. In 1939, the hydrogen fusion reactions that powered the sun were discovered, and the detailed model of the interiors ... Read More

The History and Origins of Space Travel (2320 words, 3 pages)

Today the United States is held as one of the super powers of the world, boasting its wealth and armed power. Among its greatest achievements is the NASA Space Program. NASA is currently the leading Space program, setting new standards by conducting experiments in space, exploring new parts of the ... Read More

Characteristics of the Jovian or Jupiter-Like Planets: Uranus, Neptune and Saturn (2870 words, 4 pages)

The Jovian Planets Far beyond Earth in the solar nebula lies an ice belt and beyond that lay the four Jovian planets. They are Jupiter, Saturn, Uranus and Neptune. Jovian means "Jupiter- like" in which the rest of the jovian planets do coincide with the name. Uranus Neptune and Saturn, ... Read More

Glynn Isaac’s Definition of the Homebase Hypothesis (2921 words, 5 pages)

Glynn Isaac Defines "the Homebase Hypothesis" It has been argued since Darwin's day that the great apes were man's nearest living relatives, and as evidence emerged during the late 1960's of the hunting propensities and simple tool use of chimpanzees (Goodall 1986), anthropologists found more and more reason to presume ... Read More

The Circumstances that Led to the Extinction of Dinosaurs (692 words, 3 pages)

The Guessing Game How Dinosaurs Went Extinct In the early nineteen hundreds, dinosaur fossils were discovered and recognized around the globe. Greedy scientists and civilians, searching for their own prize skeleton, rushed to rip bones out of the ground, destroying the fossils as they went. It was not until later ... Read More

Man on the Moon, a Historical Achievement or a Fraud? (2825 words, 7 pages)

THE GREAT MOON HOAX On July 20, 1969 the first dusty footprints left by men on the moon were also indelible footprints left on the hearts and imaginations of the human race. No other adventure was shared by more people. No other quest has meant more to our species as ... Read More

The Changes in the World of Science and New Discoveries (424 words, 1 pages)

The world of science and medicine will be drastically changing this year. Scientists were hard at work all last year to make life a little easier for citizens. These new discoveries will be made available to the public over the next few months. Scientists hope that these many findings will ... Read More

An Argument Against Genetic Engineering (1519 words, 3 pages)

In the last century, there has been a veritable explosion of new revelations, discoveries and understandings that dwarf the accomplishments of the great scientists of the past and peers deeply into a new universe that they could only postulate about. The study of life on earth has made particularly amazing ... Read More

Analysis of Bacteria and How It Impacts Our Lives (2231 words, 4 pages)

Introduction There are times in our lives (as human beings) when people do not feel well. A doctor might diagnose them with a disease or an infection. There are also times when people do not feel clean. This could be a person's feeling after exercising, sweating, or maybe heshe had ... Read More

An Analysis of Essays The Reach of Imagination and Evolution as Theory and Fact (1279 words, 2 pages)

According to the essays by mathematician Jacob Bronowski in "The Reach of Imagination" (1967) and paleontologist Stephen Jay Gould in "Evolution as Theory and Fact" (1981), the behind-the-scene development of science is being induced differently through imagination and evolution. In Bronowski's essay, he describes the unique quality that makes humans ... Read More

A Short Biography of Stephen Hawking (954 words, 2 pages)

Since the beginning, people have been trying to find out where the universe came from. Some people believe that God created it, and others try to explain the formation of it through science and theoretical physics. Stephen Hawking, a famous scientist who overcame his disability and tried to find answers ... Read More

Parts of the Water Cycle: Carbon, Nitrogen and Hydrologic Cycles (576 words, 2 pages)

The Carbon Cycle Since the industrial revolution, humans have greatly increased the quantity of carbon dioxide found in the Earth's atmosphere and oceans. Atmospheric levels have increased by over 30 , from about 275 parts per million (ppm) in the early 1700s to just over 365 PPM today. Scientists estimate ... Read More

The Factors in Construction of a Sports Stadiums (2155 words, 3 pages)

The construction of a sports stadium is a long, drawn out process that requires the involvement of a large amount of people. A finished stadium must incorporate a unique design for it to stand out as a professional sports stadium. And that is exactly what was accomplished in the construction ... Read More

The Essence of Being a Mother (1946 words, 3 pages)

Motherhood - Nine Months vs. A Lifetime "You're about ten meters dilatedit's time to push!" You grab hold onto your husband's hand a little tighter. Take a deep breathand the labor process begins. This is a common everyday scenario that happens thousands of times a day in hospitals all over ... Read More

The Quintessential Man a Biography of Stephen Hawking (638 words, 2 pages)

Steven Hawking Steven William Hawking was born on January 8, 1942, in Oxford, England. He was always interested in science and how things worked. From about the age of 20, he was awarded a first class honors degree in Natural Sciences. After receiving his degree, Steven went to Cambridge, to ... Read More

Questioning the Morality of Human Cloning,Weighing the Pro’s and Con’s (1909 words, 3 pages)

Human cloning is an often controversial and highly emotive issue with many factors surrounding it. A global ban on all facets of human cloning has been introduced for approval by the United Nations, and it is on the verge of being passed. Banning human cloning on all levels would be ... Read More

Stem Cells Offer Limitless Possibilities in Curing Human Diseases (778 words, 2 pages)

Where do stem cells come from? A stem cell is a primitive type of cell that can be developed into developing into most of the 220 types of cells found in the human body (e.g. blood cells, heart cells, brain cells, etc). Some researchers regard them as offering the greatest ... Read More

The Closeness of the Moon to Earth Can Turn Tides (940 words, 2 pages)

The tides at a given place in the Earth's oceans occur about an hour later each day. Since the Moon passes overhead about an hour later each day, it was long suspected that the Moon was associated with tides. Newton's Law of Gravitation provided a quantitative understanding of that association. ... Read More

The Study of the Effects of Inverse Distance Weighted Interpolation and Ordinary Kriging (4050 words, 8 pages)

Abstract. The aim of this study is to investigate the effects of 'Inverse Distance Weighted' interpolation and 'Ordinary Kriging' on a discrete spatial data set. By interpolating the discrete data points with three different techniques observations have been made on the resultant raster surface produced. The test data used for ... Read More

The Race to Space,a Competition among the Nations (1296 words, 2 pages)

Space exploration is a big part of American history and has been shrouded with controversy for years and years. Space exploration is defined as the investigation of physical conditions in space and on stars, planets, and their moons through the use of artificial satellites, space probes, and spacecraft with human ... Read More

Sherman Keene’s Practical Techniques for the Recording Engineer (1117 words, 2 pages)

These days signal processing has become one of the strongest facets of audio and music production. The function of a signal processor is to modify an audio signal in some intended fashion, in either the analog or digital realm. While effecting all parts of audio production, processing is most useful ... Read More

The Braggs: Joint Winners of the Nobel Prize in Physics (494 words, 1 pages)

Sir William Lawrence Bragg was an Australian-born British physicist and Nobel Prize winner. Bragg shared the 1915 Nobel Prize in physics with his father, British physicist Sir William Henry Bragg, for their work in establishing X-ray crystallography, the study of crystal structures with X rays. Born in Adelaide, Australia, William ... Read More

Sir Sandford Fleming Knighted for Saving Us a Lot of Time (691 words, 2 pages)

Sir Sandford Fleming was born on January 7 , 1827 in Kirkcaldy, Scotland. At the age of only 14 Sandford Fleming was a student learning the trade of engineering and surveying from John Sang. On April 24, 1845 Sandford Fleming at only the age of 17 years immigrated into Upper ... Read More

After the Civil War, U.S. Scientific Institutions Received Federal Funding (693 words, 1 pages)

Science in the United States prior to the Civil War was straggling to rise more than a few feet off the ground. Lacking positive support and participation, the few scientific organizations that were established failed to conform to newer thinking styles. With new scientific leaders, holding powerful positions and the ... Read More

Biology Essay Examples