Biology Essays Examples For College & High School Students in PDF

10822 total results

The Best Ways to Control the Formation and Effects of Acid Rain (1110 words, 2 pages)

Acid rain is precipitation of higher than normal acidity. Manmade increases in the acidity of precipitation are traced mainly to the burning of coal, oil, and gas by heavy industry and electrical utilities. Burning these fuels releases sulfur and nitrogen oxides (Sox and Nox) to the atmosphere where they combine ... Read More

The History and Applications of Hydroelectric Power (2860 words, 7 pages)

The term "hydropower" is a common word used to generalize the many different means of utilizing the energy in flowing water, ranging from large hydroelectric power plants to systems that harness both tidal and wave power. Hydroelectric facilities provide approximately 25 percent of the world's electricity supply-with plants operating in ... Read More

An Overview of the Human Brain (1795 words, 3 pages)

The Human Brain The human being is considered to be the ultimate form of life on the earth. This is not because the human body is strong and agile. Many other animals posses skills much superior to humans and are able to perform feats humans can only dream of. The ... Read More

An Analysis of Scott Hemmerling Tough’s The Hero’s Quest” (1043 words, 2 pages)

The Hero's Quest by Scott Hemmerling Tough, long, hard, exhausting all words that are used to describe the hero's quest. In most sci-fi movies, the main hero must undergo a quest. Either the hero is reluctant and trained or willing and untrained to do this quest. In all the science ... Read More

The Greatest Case of Scientific Fraud (1556 words, 2 pages)

Miriah Killam Writing 122 David Rothgery October 12, 2000 The Greatest Case of Scientific Fraud I have been told I have a beautiful smile, and I once thought it was true. It is big and quick, the kind that flashes across a whole face to reveal pearly whites. The sad ... Read More

An Overview of the Five Kingdoms (253 words, 1 pages)

The Five Kingdoms Monera This biological kingdom is composed of bacteria and cyanobacteria, one-celled (sometimes colonial) organisms whose cells lack a nuclear envelope, mitochondria, or plastids. They reproduce asexually through fission (splitting in two) and mainly gain their nutrition by absorbing it from their environment (though some species are chemoautotrophs ... Read More

An Introduction to the Effect of Salinity on Growth and Chlorophyl Content in Representative Classes of Unicellular Marine Algae (235 words, 1 pages)

Title The Effect of Salinity on Growth and Chlorophyll Content in Representative Classes of Unicellular Marine Algae. Significant Findings, Questions and Observations The purpose of this study was to determine if there was a general relationship between the relative amount of chlorophyll per cell and growth at various salinities in ... Read More

An Analysis of Cloning (1582 words, 3 pages)

Cloning is one of the most widely talked about topics in this world. It is one topic that evokes a great public response worldwide. The defenders of cloning believe that cloning and genetic engineering will be the answer to most of the diseases in the future. On the other hand, ... Read More

An introduction to the Chemistry of Photography (266 words, 1 pages)

Michael Shorrock The chemistry of Photography Summary Joseph-Nicephore Niepce took he words first photographs in 1824. Many people dont know that he was the person who invented photography they think that a Frenchman named Daguerre was the inventor but he got the idea from Niepce. Jacqueline Belloni, a chemist at ... Read More

An Analysis of Cell in the Body (1378 words, 3 pages)

This paper reports studies and findings of the intercellular adhesion molecule in relationship to the common cold virus and rheumatic diseases. The role of the cell and intercellular adhesion molecules is also examined. Cell-cell adhesion is required at all stages of development and is of importance in the establishment and ... Read More

An Analysis of Air (4134 words, 6 pages)

Air is never clean. Natural sources have polluted our breathable air for centuries. Sources such as volcanic ash, salt released from oceanic waves crashing, smoke from forest fires and windblown dirt particles all contribute to natural air pollution. Humans and their ability to manipulate these natural pollutants have accentuated their ... Read More

An Analysis of the Topic of the Mars Pathfinder and the Martian Sufrace (1634 words, 2 pages)

On July 4, 1997 the Mars Pathfinder finally came to rest after ninety minutes of bouncing around on the Martian surface. The purpose of the mission was to explore the Martian surface, collect and analyze the chemical makeup of Martian rocks, and test the new technology and software put into ... Read More

An Overview of the Intelligent System of the Humans (885 words, 3 pages)

Overview of Intelligent System Intelligent systems are systems that have the ability to emulate humans. These systems can perceive, reason, make decisions, and act. These systems can make a machine or device to anticipate requirements and deal with are complex, unknown, and unpredictable environments. Intelligent systems were initially developed to ... Read More

The Issue Surrounding Stem Cell Research (1026 words, 2 pages)

As history has progressed, the sanctity of life has risen to an echelon never before seen. Monotheistic outlooks and teachings have caused the world to reach an understanding that every life is to be cherished. Where in ancient times people would be executed simply for speaking their minds, sentences of ... Read More

An Analysis of the Importance Od Steel as Most Cpmmonly Used Product Today (519 words, 1 pages)

Steel is one of the most commonly used products today. One of its biggest uses is in the construction industry. This is referred to structural steel. Structural steel can be further classified by the way it was produced and its components. Two main kinds of steel are A36 Structural steel ... Read More

The Early Life and Times of Paul Berg (541 words, 1 pages)

On a cold New York morning in the early 1940s, Paul Berg left his home in Brooklyn heading to 528 Ridgewood Avenue, the site of Abraham Lincoln High School. The young Berg loved Chemistry, a feeling that grew after reading Paul de Kruif's Microbe Hunters and Sinclair Lewis's Arrowsmith. Berg ... Read More

Theories Explaining the Origin of the Solar System (886 words, 3 pages)

Origin Of The Solar System For more than 300 years there has been serious scientific discussion of the processes and events that led to the formation of the solar system. For most of this time lack of knowledge about the physical conditions in the solar system prevented a rigorous approach ... Read More

A Scientific Look at the Single Junction Solar Cells (2057 words, 3 pages)

Single junction solar cells The most common structure is a semiconductor material into which a large-area diode, or p-n junction, has been formed. The fabrication processes tend to be traditional semiconductor approaches diffusion, ion implantation and so on. Electrical current is taken from the device through a grid contact structure ... Read More

An Overview of Research on Dark Matter (1574 words, 3 pages)

Looking for the Invisible Search for the Dark Matter There is perhaps no current problem of greater importance to astrophysics and cosmology than that of dark matter. The search for dark matter has dominated cosmology for half of the century. But one might ask, what is dark matter? What is ... Read More

A Background Information on the Planet Saturn (719 words, 2 pages)

Jessica Alcalde Earth and Space Saturn SATURN Saturn is the sixth planet from the sun and it is the second largest of the nine planets in the solar system. In Roman mythology it was believed to be the god of agriculture, he ate his children. Its Greek name is Cronos. ... Read More

The Two Types of Satellites and Their Characteristics (463 words, 1 pages)

There are two types of satellites in the world, man-made satellites, and natural satellites. Natural satellites are things like moons and rocks orbiting a larger body, they dont do much for you, except that our moon provides some light for us at night. Man-made satellites are very important in our ... Read More

The Early Life and Times of Microbiology Pioneer, Salvador Luria (725 words, 2 pages)

Salvador Luria Salvador Luria was one of the founders of microbiology, as we know it. He emigrated from here from his native country of Italy in 1940. His work in the United States is his best known. His work on bacteriophage (bacterial virus) here brought up many new topics in ... Read More

The Advance in Science and Medicine Made by the Romans (834 words, 2 pages)

Where would the world be today without the founding of the Roman Household and the idea of paterfamilias, advances in science and medicine, and the many changes in Christianity and marriage practices? It is hard to imagine what our society would be like without a head of the household, medicine ... Read More

An Analysis of the Works by Robert Hooke (528 words, 1 pages)

Robert Hooke ICEMANBM260 Robert Hooke was and English scientist born in 1635 and died in the year of 1703. Robert Hooke was born in the town of Freshwater, which is located in the Isle of Write. Hooke was born to a minister named John Hooke. Robert received a great deal ... Read More

A Biography of Richard Trevethick, a Pioneer of the Industrial Revolution (1199 words, 2 pages)

When one considers the many technological achievements of mankind, few people can match those of Richard Trevethick (See Appendix 1). He was a pioneer of the Industrial Revolution and undoubtedly one of the greatest engineers to have ever lived. The range and magnitude of his inventive genius is truly astounding, ... Read More

The Early Life and Times of Richard Spikes (326 words, 1 pages)

Richard Spikes though little is written about his personal life, education, or childhood what is know is that he invented many thing that would be welcomed by many major companies. The first invention credited to him was the railroad semaphore invented in 1906. But his more famous invention was the ... Read More

An Analysis of the Stem Cells (1761 words, 3 pages)

Research on stem cells is advancing knowledge about how an organism develops from a single cell and how healthy cells replace damaged cells in adult organisms. Stem cells are one of the most fascinating areas of biology today. But like many expanding fields of scientific inquiry, research on stem cells ... Read More

The Several Determining Factors That Dictate Vineyard Selection (1190 words, 3 pages)

Vineyard site selection is dictated by several determining factors including environmental stresses and biological pests, slope of growing area, climatic variables, soil and water quality and . Grapes grown in Ventura County exposed to environmental stresses and biological pests that can reduce crop quality and yields and injure or kill ... Read More

The Views of the Universe in the Renaissance Era (851 words, 2 pages)

THE RENAISSANCE VIEW OF THE UNIVERSE Through history people have been very interested in what lay above them. Every night as the people would go to sleep they would look up and wonder, what are those white dots up there? Some of the astrologers who would observe the night sky ... Read More

An Analysis of Isaac Newton’s Theories Explaining How Materialism Dominates Our Culture (1270 words, 2 pages)

The key to humanities freedom lies in its religious and sexual paradigms. Religion, as a social control mechanism, has sought to limit mans sexual freedom. The stigma associated with sexual promiscuity permeates every level of our society. I believe that in time people will demand freedom in the sexual and ... Read More

Biology Essay Examples