Biology Essays Examples For College & High School Students in PDF

10822 total results

The Reasons Why Science Fiction Has Taken Long to Become an Excepted Media Form (762 words, 1 pages)

Science Fiction - an escape People are always looking for a good way to escape the real world, especially work. Since work is so important in society today that it is almost impossible to avoid doing work without having to pay the price in the future. The perfect escape would ... Read More

A Debate About the Moral and Ethic Views About the Scientific Cloning (1262 words, 4 pages)

Scientists For many years man has driven himself to make new discoveries to better mankind and himself. We call these people scientist, they try to make new discoveries or take a scientific look at something and better it. Unfortunately their discoveries or views and improvements on something is not always ... Read More

An Analysis of Integration of Science and Society (1554 words, 2 pages)

Science and Society Society's image of science and scientists as well as the public's misunderstanding and often fascination with science clearly demonstrate the influence science and society have on each other. Certain stereotypical images created by the media and instilled in the public's minds have surrounded scientists for years. These ... Read More

Can Scientific Progress Destroy the Moral and Ethical Fiber of Society (1090 words, 2 pages)

SCIENTIFIC PROGRESS CAN DESTROY THE MORAL AND ETHICAL FIBRE OF SOCIETY Scientific progress can destroy the moral and ethical fibre of society, well that is the question puzzling the people for 70 years. The first attempt at cloning happened in1938 by Hans Spumone he was the first man to successfully ... Read More

A Comparison of the Predicted and Actual Resistance in a Circuit of Resistor Combinations in Series and in Parallel (1229 words, 4 pages)

Title Resistors in Series and Parallel Date 17705 Aim The aim of this experiment is to compare the predicted and actual resistance in a circuit of resistor combinations in series and in parallel. Background A resistor is an electrical componentdevice that has electrical resistance. Resistors can be used in electric ... Read More

A Study on the Resistance of a Wire When Its Length or Diameter Are Changed (2108 words, 4 pages)

The Resistance of a Wire Background Information Resistance, in electricity, is the property of any substance that can slow down the flow of an electrical current to an extent. A substances resistance in an electrical circuit determines the amount of current flowing through the circuit for any given voltage that ... Read More

A Description of the Process of Photosynthesis (1237 words, 3 pages)

BACKGROUND Photosynthesis is the process in which light energy is converted to the chemical energy of sugars. It can be summarised in the following equation. Cardon dioxide Water in the presence of chlorophyll and light produces Glucose Oxygen This process occurs in the chloroplasts of plant cells which are primarily ... Read More

An Introduction to the Analysis of Photovoltaic Solar Cells (285 words, 2 pages)

Photovoltaic solar cells Directly convert sunlight into electricity, are made of semi conducting materials. Calculators Types Crystalline Silicon- most popular Thin film - Thin film photovoltaic cells use layers of semiconductor materials only a few micrometers thick, attached to an inexpensive backing such as glass, flexible plastic, or stainless steel. ... Read More

Phototaxis in Euglena Gracilis (810 words, 2 pages)

Phototaxis in Euglena Gracilis Abstract The unicellular flagetta Euglena gracilis (E. gracilis) shows positive phototaxis. We studied E. gracilis to see its effects of photosynthesis under the compound microscope. What I came up with is that E. gracilis uses photosynthesis to make their food and to have a positive phototaxis. ... Read More

An Explanation of Why Pluto Must Remain a Planet (693 words, 1 pages)

Pluto The International Astronomical Union or IAU, was highly critisized for the rumor that Pluto's status as one of the nine planets of our solar system might be changed. The reports indicated that the IAU was planning to reclassify Pluto as a minor planet or what is known as a ... Read More

Late Pleistocene Extinctions: Overkill or Climate Change? (2485 words, 4 pages)

Evolutionary Synthesis Biology Late Pleistocene Extinctions Overkill or Climate Change? Abstract During the late Pleistocene era, which lasted from about 18,000 to 10,000 years ago, North America was filled with giant mammals. These mammals were known as the Pleistocene mega-fauna. At about 10,000 years ago, almost all of these huge ... Read More

A Description of Planet Earth (837 words, 2 pages)

Planet Earth Welcome to planet Earth. Although Earth's basic structure is similar to several other planets, Earth is the only planet that is able to sustain life. Actually, Earth is unique and special in many ways. Why does Earth, the third rock from the Sun, have the unique ability to ... Read More

Tectonic Plate Mechanics (395 words, 1 pages)

A meteorologist named Alfred Wegener had a theory about how the continents got where they are today. He thought that they had started as one supercontinent named Pangaea, and then drifted to their current position. His theory wasn't believed during his time because he had no way to prove it. ... Read More

The Advantages and Disadvantages of Using Pesticides (918 words, 2 pages)

A pesticide is a substance used to kill, control or repel a pest. Pesticides have disadvantages and advantages. They are able to control pests, but it can also kill other organisms as well. Not only do they affect animals but they can effect us, as humans. It can get into ... Read More

A Biography of Louis Pasteur a French Chemist (990 words, 2 pages)

PASTEUR, Louis (1822-95). The French chemist Louis Pasteur devoted his life to solving practical problems of industry, agriculture, and medicine. His discoveries have saved countless lives and created new wealth for the world. Among his discoveries are the pasteurization process and ways of preventing silkworm diseases, anthrax, chicken cholera, and ... Read More

Earth: A Gem in the Sea of the Unknown (897 words, 1 pages)

In a chapter (Evil from Cosmic Risk) from the book, The Universe is a Green Dragon there are a lot of things presented for us as humans to take in. All of our nuclear wastes and plastics are described as violence striking against the earths surface killing off a different ... Read More

A Description of Atomic Spectroscopy and How It Comes About (918 words, 2 pages)

Chemistry Open Book Paper Atomic spectroscopy is a chemical analysis technique and it is used to identify what elements are in a compound. It uses the idea of a photon being absorbed or emitted whenever an electron changes from one energy level to another. The diagram below shows sodium salt ... Read More

An Analysis of the Science Theory by J. J. Thomson (1305 words, 2 pages)

J.J. Thomson Science lecturers who traveled from town to town in the middle nineteenth century delighted audiences by showing them the ancestor of the neon sign. They took a glass tube with wires embedded in opposite ends . . . put a high voltage across . . . pumped out ... Read More

An Introduction of Omar Kahyyam a Mathematician and an Astronomer (2313 words, 4 pages)

PROLOGUE Omar Kahyyam was primarily a mathematician and an astronomer. He was an extremely intelligent individual who wrote many theories in physics and metaphysics. He is also attributed with the reformation of the Persian calender with seven other great intellects to create a calender more accurate than the Gregorian calender. ... Read More

The Concept of Electronic Spectrum and Hoe Maxwell Gave a Realistic Value of the Speed of Light in the Nineteenth Century (2745 words, 5 pages)

Observing Stars Our view of the sky at night is possible because of the emission and reflection of light. 'Light' is the better-known term for the electromagnetic spectrum, which includes waves in the visible, ultra-violet, infra-red, microwave, radio, X-ray and gamma-ray regions. The scale of the spectrum is so large ... Read More

A Comparison of Nuclear Power and Coal Power (985 words, 2 pages)

Nuclear Power vs. Coal Power Today we are living in a world that is becoming increasingly more environmentally conscious, yet consuming more energy than ever. Having such high-energy demands creates many environmental issues, such as pollution, land exploitation, and the consumption of finite resources. In order to begin a true ... Read More

The Need for Nuclear and Atomic Bombs in Today’s Volatile Security Era (742 words, 1 pages)

Over the last decade there has been a traumatic increase in terrorism. As the amount of terrorist threats and attacks increase, so does the creation of new weapons. Nations are competing with each other to create more destructive weapons. These weapons of mass destruction are essential to modern way of ... Read More

An Analysis of Electron Flows in a Series and Parallel Circuits (370 words, 1 pages)

In a series circuit Electrons flow along a single path through 2 or more loads before returning to source. Law 1 - any break in a series circuit stops the entire electron flow (a break or loose connection can prevent electrons from flowing) Law 2 - when there are two ... Read More

An Introduction to Bees and the Making of Their Honey (1243 words, 2 pages)

Bees to Honey Nearing my father-in-laws house, I was surrounded by a concrete jungle. Tax services, restaurants and shopping centers were closing in on me. I then turned the corner onto Cherry Street. This put me on a residential block. A man was walking his dog and a family with ... Read More

Nanotechnology as a Medicine (1194 words, 2 pages)

Nanotechnology as a Medicine As modern science learns more and more about the human body and the functions of its various systems, material science is delving into the molecular level. The marriage of these two fields is considered to be nanotechnology. Todays science is working on the design and synthesis ... Read More

How the Human Body Responds Emotionally to Music (616 words, 1 pages)

When I hear a song by Mozart, I tend to think of the grand Classical Style, the Great Baroque Cathedrals, and the Symphonic Orchestras. Todays modern recording technology can store all that grandness in a digital disk, the size of my hand. But what could that Mozart CD possibly have ... Read More

An Analysis of the National Organization for Planetary Exploration (NOPE) (1094 words, 2 pages)

I leave my words in front of you as sales manager of the newest, fastest growing, and most innovative company in the world National Organization for Planetary Exploration (NOPE). I am submitting this paper today to make you more aware of the possibilities that lie before you. My team and ... Read More

An Overview of the Infectious Mononucleosis and Its Epidemic (1920 words, 3 pages)

Infectious mononucleosis -- known popularly as "mono" or "the kissing disease" -- has been recognized for more than a century. An estimated 90 percent of mononucleosis cases are caused by the Epstein-Barr virus (EBV), a member of the herpes virus group. Most of the remaining cases are caused by certain ... Read More

Overcoming the Differences between Masculinity and Femininity (1113 words, 2 pages)

Misunderstanding Men and Women Since the beginning of biological time, males and females have had noticeable and unnoticeable differences. These differences have caused conflicts, which have endured time and are still a part of our modern everyday lives. However, the discord has become more defined than what is characterized as ... Read More

An Overview of the Stages of the Cell Cycle (512 words, 1 pages)

The stages of the cell cycle is an ordered set of events rising in cell growth and division into two daughter cells. Non dividing cells are not considered to be in the cell cycle. Mitosis is further divided into 4 phases, which you will read about later on. Interphase is ... Read More

Biology Essay Examples