Biology Essays Examples For College & High School Students in PDF

10822 total results

A Paper on the Anthropic Principle (837 words, 2 pages)

The laws and constants of nature are so "finely-tuned," and so many "coincidences" have occurred to allow for the possibility of life, the universe must have come into existence through intentional planning and intelligence. In fact, this "fine-tuning" is so pronounced, and the "coincidences" are so numerous, many scientists have ... Read More

A Paper on the Controversy of Cloning (870 words, 2 pages)

The Controversy of Cloning In their book On Moral Grounds The ArtScience of Ethics, Daniel C. Maguire and A. Nicholas Fargnoli consider the many issues that modern science presents - many of which wouldhave been science fiction only 10 years ago. One of the most debatable new issues is cloning. ... Read More

A Comparison of the Big Bang Theory and Steady State Theory (1121 words, 2 pages)

It is always a mystery about how the universe began, whether if and when it will end. Astronomers construct hypotheses called cosmological models that try to find the answer. There are two types of models Big Bang and Steady State. However, through many observational evidences, the Big Bang theory can ... Read More

An Essay on Wallace Rupert Turnball, the Inventor of the Controllable Pitch Propeller (826 words, 2 pages)

Canada is not exactly known for having produced several ground-breaking inventions or discoveries in her time. However, the period of rapid technological advancement that she incurred during the third period of the history of engineering in Canada brought with it several important engineering inventions which had their roots in Canada. ... Read More

Telomeres: Their Roles and Connection to Aging (751 words, 2 pages)

The tiny "caps" that keep our chromosomes from fusing together are also providing clues that could eventually lead to the achievement of one our nation's most important public health goals extending good health well into old age. These caps are called telomeres, and they're at the center of much of ... Read More

A Brief Analysis of the ph Unit (537 words, 2 pages)

The Study of pH pH is the measure of H (a proton) a concentration of a solution. In order to understand pH, a scale has been designed, this scale ranges from 0 to 14. Anything from 0 to 6.99 is acidic, a substance that increases hydrogen ions concentration in a ... Read More

DNA the Strands of Life Discovered in 1868 (1016 words, 2 pages)

The Thread of Life, is deoxyribonucleic acid, also known as DNA. This molecule which is the bases of life, is spiral shaped and found in the nucleus of cells. DNA has the genetic code for bodies, controls development of embryos, and is able to repair damage caused to itself. All ... Read More

Electronegative and Steric Hindrance Effects on Synthesized Esters (1048 words, 2 pages)

Electronegative and Steric Hindrance Effects on Synthesized Esters By Katherine Edmonds Introduction Esters are made when an acid and an alcohol are mixed. The reaction causes the oxygen and hydrogen atoms to pair off, forming H20, leaving the rest of the compound to form the ester. The theory is that ... Read More

Moral Issues of Embryonic Stem-Cell Research (1044 words, 2 pages)

Science and technology have caused great leaps in the advancement of human nature. It has aided in saving the lives of millions, yet ironically it has also deliberately taken lives away from those who are innocent and have no means of defending themselves. One branch of science that has recently ... Read More

A Biography of Stephen Hawking (1194 words, 2 pages)

Stephen Hawking's parents lived in London where his father was undertaking research into medicine. However, London was a dangerous place during World War II and Stephen's mother was sent to the safer town of Oxford where Stephen was born. The family were soon back together living in Highgate, north London, ... Read More

A Paper on Max Karl Ernst Ludwig Planck (329 words, 1 pages)

Max Karl Ernst Ludwig Planck (1858 - 1947) was a German physicist who was of the first people to contribute to the invention of quantum theory. After studying physics at Munchen University, he moved to Berlin where, in 1889, Planck discovered a new fundamental constant (h), which is named Planck's ... Read More

A Paper on Sensors and Actuators (441 words, 1 pages)

A senor is a device that converts a physical phenomenon into an electrical signal. As such sensors represent part of the interface between the physical world and the world of electrical devices, such as computers. The other part of this interface is represented by actuators, which convert electrical signals into ... Read More

An Analysis of Science (1678 words, 2 pages)

Science has always been seen as a quest for knowledge that quenches mans thirst for the ultimate truth. This is actually a statement that really cant just be stated but must be followed with a deep explanation as not everyone would agree with this saying. Even if the statement is ... Read More

The Concept of in-Vitro Fertilization (597 words, 2 pages)

There has been an extensive history in the development of In Vitro Fertilisation. This is evident in the scientific discoveries and advances in medical procedures. In addition, the church and society have made scientific contributions to the debate concerning In Vitro Fertilisation techniques. The discovering of human ova and sperm ... Read More

The Theory of the Two Hemispheres of the Human Brain (804 words, 2 pages)

"right brain, Left Brain." The article in which I chose to examine is called Right Brain, Left Brain Fact and Fiction, written by Jerre Levy. In the past fifteen years or so there has been a lot of talk of left brain and right brain people. Levy's reason for righting ... Read More

The Agricultural Revolution (1963 words, 4 pages)

Conditions Before Before the agricultural revolution there was the open field system was used. There were strips of land which were shared between farmers meaning that no one had any privacy on their farm. There were many disadvantages of the open field. Disease could spread quickly and easily among animals ... Read More

What Is Electrical Conductivity (1548 words, 2 pages)

Electrical conductivity estimates the amount of total dissolved salts, or the total amount of dissolved ions in the water. EC is the abbreviation of electrical conductivity, and TDS is the abbreviation of total dissolved salts. This is stated by numerous sources, including J. P. Michaud, 1991. Conductance is the opposite ... Read More

An Paper on Research Methodology (2072 words, 7 pages)

Research Methodology. Research involves two steps Generating scientific hypothesis testing hypohtesis. Generating Hypothesis Hypothesis a statement that can be tested - about the topic of interest Eg Adolescents tend to be more moodier than children or adults How to generate hypothesis by general observation It also helps to be very ... Read More

The Accuracy of Radiocarbon Dating (2612 words, 4 pages)

The method of radiocarbon dating and its potential usefulness was discovered and developed by a team of scientists led by the late Dr. Willard Libby. He later received a Nobel Peace Prize for chemistry. Since the formation and calibration of radiocarbon dating, it has risen to become the field standard ... Read More

A Short Essay on Radar Applications According to Frequency (433 words, 2 pages)

Radar applications by frequency HF (3 to 30 MHz) The very first British radar system chain home used the HF band, but it was soon realised that these frequencies were becoming too crowded with other users and they suffered from too much external noise for serious use. The HF band ... Read More

An Essay on the Quantitative and Qualitative Approaches to Research (3400 words, 6 pages)

FET 8801 Research Methods in Education Quantitative and Qualitative Approaches to Research (3,248 words) INTRODUCTION For thousands of years, philosophers and other academics have formulated and debated theories of knowledge in attempts to conceptualize and analyze reality. These ways of knowing are commonly referred to as epistemologies which help us ... Read More

A Research on Quantum Physics (1551 words, 3 pages)

While researching quantum physics, I realized that I had just finished a book that was based on quantum theory. At the time, I didnt quite realize that quantum theory and quantum physics were related except in name. Niels Bohr once said, Anyone who is not shocked by quantum theory has ... Read More

What Is Qualitative Analysis? (2100 words, 4 pages)

Qualitative Analysis Introduction Qualitative analysis is used in the determination of the identity of a substance. It is different from quantitative analysis, which deals with the determination of the amount of a substance. In this experiment, qualitative analysis techniques are used to determine whether or not a sample contains a ... Read More

An Essay on the Invasive Qualities of Purple Loose-strife (3095 words, 4 pages)

an essay on the invasive qualities of purple loosestrife and the consequences. well researched, minor grammar mistakes PURPLE LOOSESTRIFE The scene is breathtakingly beautiful, a thick brush of purple flowers blankets Canada's wetlands. This blanket silences the expected sounds of the wetland environment, birds chirping, ducks splashing, insects buzzing and ... Read More

A Paper on Astronomers and Their Jobs (381 words, 2 pages)

People would think that staring at the stars and pondering the interactions of large bodies of matter would involve a life of quiet contemplation, removed from the petty day-to-day distractions of the working world. But being an astronomer involves more then just this. Astronomers track, study and review data of ... Read More

A Paper on Plate Tectonics Theory (771 words, 1 pages)

Plate tectonics are a relatively new theory that has revolutionized the way geologists think about the Earth. According to the theory, the surface of the Earth is broken into large plates. The size and position of these plates change over time. The hypothesis of continental drift was largely developed by ... Read More

A Research on Antarctic Phytoplankton Content (188 words, 1 pages)

ANTARCTIC PHYTOPLANKTON CONTENT Upon a short period of very extensive research, one can conclude many things about the phytoplankton content of the waters surrounding the continent of Antarctica.First of all, what is phytoplankton? Phytoplankton is defined as planktonic plants and other autotrophs which are the most important primary producers in ... Read More

An Example of Statistics Exam (839 words, 3 pages)

Chapter 7 Outline Objectives Find the confidence interval for the mean when s is known or n gt 30. Determine the minimum sample size for finding a confidence interval for the mean. Find the confidence interval for the mean when s is unknown and n lt 30. Objectives (cont'd.) Find ... Read More

A Paper on Osmosis, Plasmolysis and Turgor (657 words, 1 pages)

Osmosis, Plasmolysis, and Turgor Each cell has constantly to cope with osmotic phenomenons. Cells without walls that live in aqueous solutions are usually hypertonic. They are subject to a continuous influx of water that results in a pressure on the inside of the membrane. Some ciliates (like Paramecium) and flagellates ... Read More

Rules of Numbers and Their Meanings for Different People (1093 words, 2 pages)

Shiraz Z. Moughal Numbers! What are numbers? Well can someone think of them? Well as far as I know, numbers came from the Egyptians. Though the passage of time, Arabs played a great role in numbers. In the past, numbers were used for different then they are now a days. ... Read More

Biology Essay Examples