Biology Essays Examples For College & High School Students in PDF

10822 total results

A Discussion on the Use of Fertilizers (2021 words, 4 pages)

Fertilizers Many questions have been raised concerning the use of fertilizers, why plants require them, and about the benefits they bring. Fertilizers have a significant effect on humanity, as they form the basis of food production. The addition of fertilizers assists enrichment of soil fertility and corrects nutrient deficiencies so ... Read More

The Genetics Supporting the Theory of Endosymbiosis (1038 words, 2 pages)

Scientists have formulated many theories about the origin of life and how it evolved into the various forms known today. These ideas come from the evidence of the fossil record, from laboratory simulations of conditions on the earth, and from consideration of the structure and function of cells. The earth ... Read More

An In-depth Look at the Theory of Embryonic Development (1927 words, 3 pages)

The theory of embryonic development we follow today was proposed 2000 years ago by Aristotle. This idea, called epigenesis, the form of an animal arises gradually from a generally formless egg. The organisms development is largely determined by the genome of the zygote and the organization of the cytoplasm of ... Read More

An Introduction to Earthworms (429 words, 1 pages)

EARTHWORMS Earthworms are classified as Annelida. Annelida mean little rings which refers to the many segments in their body. The structure of an earthworms body is made up of more than one hundred segments separated by partitions that divide the coelum. All segments are identical except by the anterior and ... Read More

An Overview of Filed of Physical Science, Cryogenics (3019 words, 4 pages)

Cryogenics is an entire field of physical science. It is the study of matter at temperatures much colder than those that occur naturally on Earth. Cryogenic temperatures are considerably lower than those encountered in ordinary physical processes. There is another field of interest associated with very cold temperature-cryonics. Cryonics is ... Read More

The Mystical Nature of Cosmology (1151 words, 2 pages)

Cosmology has always been an interesting area of study for me. For as long as I can remember, every time I look up at the night sky, a million questions pop into my head. Questions such as Is there an intelligent life out there? How large is space, does it ... Read More

The Controversy Surrounding Genetic Engineering (1065 words, 2 pages)

Controversy Over Genetic Engineering Dolly was a sheep that was the first living clone in its time, not a country music star from Tennessee. This was a magnificent feat but what did it mean? To some it meant a world of possibility, to others it meant havoc. Who is right? ... Read More

Understanding Chromatography (346 words, 1 pages)

Chromatography is a useful method for separating the substances in certain mixtures. There are many physical processes which may be used to separate mixtures, but chromatography will not be as obvious to students as others such as filtering, evaporation, or using a magnet. Because the substances which make up certain ... Read More

The Negative Effects of Chemical Leaks in Transportation, Storage and Mixing Equipment (596 words, 3 pages)

Chemical Application Maintenance of Equipment No significant leakage of chemicals should be permitted from equipment used for transportation, storage, mixing or application. Mixing When water is used in mixing, provide an air gap between the water source and the mixing tank. Use uncontaminated pumps, hoses and screens. Mix chemicals and ... Read More

An Analysis of Chapter 5 Vocab of Modern Chemistry (326 words, 1 pages)

Chapter 15 Vocab Boiling temperature elevation- property of solutions that describes temperature difference between boiling point of a pure solvent and temperature at which solution begins to boil. Colligative property- characteristic of a solution that does not depend on size or type of particles present as a solute but only ... Read More

An Analysis of the Topic of Chromatids (301 words, 5 pages)

Question 1 (10 points) Chromatids are 1. attached at the centriole. 2. "a pair of chromosomes, one from the mother and one from the father." 3. attached at their centromeres. 4. identical until crossing over occurs. 100.0 5. both 3 and 4 are correct Score 10.0 10.0 Question 2 (10 ... Read More

An Analysis of the Factors Influencing the Criminal Behavior (819 words, 1 pages)

Of all the factors that can influence criminal behavior, biological influences can definitely play one of the more important roles. Several areas of research support ideas of a genetic influence as well as neurological defects and chemical imbalances that play into motivations of criminal activity. More recent than in the ... Read More

A Short Biography of Amedeo Avogadro (573 words, 1 pages)

Your name Your teachers name Name of the course Thursday, June 10, 1999 TITLE OF YOUR ESSAY Avogadro was born on June 9, 1776 in Turin, Italy. He began his career in 1796 by obtaining a doctorate in law and practicing as a lawyer for three years after. In 1800, ... Read More

An Analysis of the Genetic Engineering, History and Future (3003 words, 8 pages)

Genetic Engineering, history and future Altering the Face of Science Science is a creature that continues to evolve at a much higher rate than the beings that gave it birth. The transformation time from tree-shrew, to ape, to human far exceeds the time from analytical engine, to calculator, to computer. ... Read More

The Life and Times of Werner Heisenberg (4415 words, 14 pages)

Werner Heisenberg and the Heisenberg Uncertainty Principle Werner Heisenberg, born in the dawn of the twentieth century became one of its greatest physicists he is also among its most controversial. While still in his early twenties, he was among the handful of bright, young men who created quantum mechanics, the ... Read More

The Interesting Process That Creates the Northern Lights (299 words, 1 pages)

Many people look into the northern sky at night and happen to spot a strange, yet majestical illumination. This natural phenomenon has perplexed and puzzled some of the worlds greatest minds for many years. Its known as Aurora Borealis, which means northern lights in Latin. Many people dedicated numerous years ... Read More

A Discussion on the Physical and Mental Changes People Go Through (954 words, 3 pages)

" A person has a body ". " A person is a body ". Which of these statements more accurately expresses the truth about personal identity? When considering the content of the question there are two questions which must be considered before an adequate conclusion can be found what really ... Read More

The Many Reasons Why Space Explorations are So Crucial (794 words, 1 pages)

Some of Life's greatest questions have always been "Who are we?" "Why are we here?" and "Where are we going?" In a lifetime, most of us will probably never discover the answers to these questions. Many people use God as an outlet for answers to the questions they cannot explain ... Read More

An Introduction to the Concept of Symbiosis (532 words, 1 pages)

As a watchman goby fish peeks his head out of a hole on the sea floor, a pair of antennas arise from aside him, followed by a flurry of rocks and sand being moved by a pistol shrimp. At first, one might think that this odd couple should be fighting ... Read More

The Growing Concerns Over the Safety of GM Foods (553 words, 1 pages)

Messing with Nature Is our food supply safe? By genetically modifying our food sources will we have problems in the future? Enough time has not passed to answer this question we could be unleashing untold consequences that we are yet to suffer. Ecovandals, people who fear GM (genetically modified) plants ... Read More

A Description of Cloning as a Gift From God, or an Injustice Towards Humanity (1762 words, 2 pages)

Cloning - a Gift From God, or an Injustice Towards Humanity? In a world that is as fast paced as the one we live in today, it is hard to stop and remember the moral values and religious beliefs we were taught as children. We live in a world where ... Read More

The Stiff Competition to the Moon Displayed by the Americans and Russians Throughout History (1617 words, 2 pages)

On July 20, 1969, the world stopped dead in its tracks and changed forever. Humans had stepped foot on something besides the earth the moon. The United States had beaten every other country to the moon. It was a hard mission to achieve, because it takes a lot of people ... Read More

A History of Victor Chang, Born in Shanghai (469 words, 1 pages)

Born On 21st or 25th of November, 1936 (his birth certificate was lost when traveling). Early Life He was born in Shanghai. He moved to Hong Kong in 1938 and stayed there until 1940. He lived in Rangoon, Burma for a year then moved to Chung K'ing, China the following ... Read More

An Analysis of Machines and Tools Helping Humans (866 words, 2 pages)

People always tend to seek the easy way out looking for something that would make their lives easier. Machines and tools have given us the ability to do more in less time giving us, at the same time, more comfort. As the technology advances, computers become faster and more powerful. ... Read More

The Controversy of the Embryonic Stem Cell Research (480 words, 2 pages)

On a political hot potato scale of one to 10, embryonic stem cell registers about a 13. Inextricably linked not only to the abortion debate, but also to patients' rights advocacy and the esoteric world of research science, the issue never fails to spark passionate, even hysterical, debate. And Wednesday, ... Read More

An Introduction to the Analysis of Pain (664 words, 1 pages)

What Is Pain? What is pain? In the American Heritage Dictionary, pain is referred to as "an unpleasant sensation occurring in varying degrees of severity as a consequence of injury, disease, or emotional disorder. Pain is a very realistic problem that many individuals face daily. People can wear pain on ... Read More

An Introduction to the Analysis of Catalytic Converters (1720 words, 3 pages)

Catalytic Converters What is a catalytic converter and how does it do what they do. The term Catalytic Converter covers the stainless steel box mounted in the exhaust system. Inside the cover is the catalyst, a ceramic or metallic base with an active coating incorporating alumina, ceria and other oxides ... Read More

An Introduction to the Life of Werner Heisenberg (4435 words, 6 pages)

Books related to Werner Heisenberg and the Heisenberg Uncertainty Principle Werner Heisenberg and the Heisenberg Uncertainty Principle Werner Heisenberg, born in the dawn of the twentieth century became one of its greatest physicists he is also among its most controversial. While still in his early twenties, he was among the ... Read More

A Look at Early Researches on Chemical Explosives (1478 words, 2 pages)

Explosives were the love of chemist Alfred Nobels life. He managed to blow up his laboratory several times. Even the death of his brother in an accidental explosion did not deter him from continuing his quest for the ultimate explosive. His crowning achievement was dynamite, invented in 1866. Subsequently, dynamite ... Read More

An Introduction to the Life of Alfred Russel Wallace (1107 words, 2 pages)

"Wallace's reputation is less than his scientific achievements merit. What arguments can be used to support or contest this theory?" By the turn of the century Alfred Russel Wallace was very probably Britain's most known naturalist. By the end of his life, moreover, He may well have owned based on ... Read More

Biology Essay Examples