Biology Essays Examples For College & High School Students in PDF

10822 total results

An Introduction to the History of the Haber Process (1188 words, 2 pages)

The Haber Process1. The Haber ProcessDuring the first decade of the twentieth century the world-wide demand for ammonia for use in fertilisers (in the form of nitrates) and in the production of explosives for use in mining and warfare could only be satisfied on a large scale from deposits of ... Read More

An Introduction to the History of the Evolution (602 words, 1 pages)

The EvolutionIn nature evolution occurs throughout various different things. Also evolution occurs in technology. Take for instance, ATM was an evolution of frame relay, and frame relay was an evolution of packet switching. Evolution happens everywhere but in technology it happens all the time.Packet switching technology breaks down messages into ... Read More

An Introduction to the Effects of Video Games on the Heart (1640 words, 4 pages)

The Effects Of Video Games On The HeartThe Effects of Video Gameson the Heart For Piedmont AcademyScience ProjectNovember 30, 1999The Effects of Video Games on the Heart In order to determine the effects of video games on the heart, wemust look at several different things. First, we must determine which ... Read More

An Introduction to the Dust-Cloud Hypothesis (318 words, 2 pages)

The Dust-Cloud HypothesisThe universe contains huge clouds made up of very large amountsof dustand gas. About 6,000,000,000 (billion) years ago, one ofthese clouds began to condense. Gravitation--the pull that allobjects in the universe have for one another--pulled the gas anddust particles together. As the dust cloud condensed, it beganto spin. ... Read More

An Analysis of the Development of the Atomic Theory (556 words, 1 pages)

The Development Of The Atomic TheoryThe Greek concept of atomos the atomAround 440 BC leucippus of Miletus originated the atom concept. He and his pupil, Democritus of abdera refined it for future use. Their atomic idea has five major points. All original writings of leucippus and Democritus are lost. The ... Read More

An Overview of the Characteristics of the Cystic Fibrosis Gene (2177 words, 9 pages)

The Cystic Fibrosis GeneBiology - GeneticsThe Cystic Fibrosis GeneIntroduction Cystic fibrosis is an inherited autosomal recessive disease that exerts its main effects on the digestive system and the lungs. This disease is the most common genetic disorder amongst Caucasians. Cystic fibrosis affects about one in 2,500 people, with one in ... Read More

An Analysis of the Cloning’s Morality War (324 words, 1 pages)

The Cloning War Moral Or Immoral?The Cloning War Moral or Immoral?Outside the lab where the cloning had actually taken place, most of us thought it could never happen. Oh we would say that perhaps at some point in the distant future, cloning might become feasible through the use of sophisticated ... Read More

An Introduction to the Analysis of the Cicada (1704 words, 3 pages)

The Cicada Many Things To Many PeopleIn this century of rapid scientific discovery, there still exist natural phenomena with the power to inspire wonder and mystery. The cicada, an insect known since ancient times, is one such phenomenon. Because scientificknowledge of the cicada contains many gaps, these mysterious insects can ... Read More

An Examination of Extraterrestrial Life Forms on Earth (2258 words, 8 pages)

The Case Of Ufo On EarthUFOs and Aliens on EarthIf you had mentioned seeing a Unidentified Flying Object (UFO), or spaceship from another planet 100 years ago, you would probably be thought of as a raving lunatic. If you had mentioned one 50 years ago, the case would be thought ... Read More

An Essay on the Human Brain (623 words, 1 pages)

The Brain EssayThe human body is divided into many different parts called organs. An organ called the brain, is the center of the nervous system and it is the center of all voluntary and involuntary activities. It is also responsible for other complexities such as thought, language, and emotion. The ... Read More

An Analysis of the Big Bang Model in Modern Astronomy (1286 words, 5 pages)

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

An Analysis of the Mystery of Universe’s Start (1285 words, 2 pages)

The Big BangIt 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 ... Read More

An Analysis of the Benefits of Human Cloning in Medical Research (891 words, 2 pages)

The benefits of human cloning There are many ways in which in which human cloning is expected to benefit mankind. Below is a list of ways that it is expected to help people. This list is far from complete. Human cloning technology could be used to reverse heart attacks. Scientists ... Read More

An Overview of the Beginning of Time in Astronomy (1308 words, 4 pages)

The Beginning Of TimeThe Beginning Of Time There was a period in history when the beginning of the world in which we live in was aexpressed through legends and myths, now, through the use of increasingly advancedscientific equipment we can see that the universe is more vast and complex than ... Read More

An Analysis of the Bee’s Life in Biology (665 words, 1 pages)

The Bee EssayTHE BEE ESSAYThe worker bees live a very short life. Their average life span is about six weeks. The worker bees are the sterile females of the bee population. They feed honey and pollen to the queen of the hive. The worker bees are called nurse bees when ... Read More

A Report on the Article, Ancient Asteroid by Dawn Stover (252 words, 1 pages)

The article was written by Dawn Stover, In January 2001. The tileof this article is called Ancient Asteroid. I found this article athttppopsci.comscitechnews010219.s.html.This article is about How Astronomers had thought that theasteroid 433 Eros might have been a flying pile of rubble, but now afterlooking over the images and the ... Read More

A Study of TCE (523 words, 2 pages)

TceWhat is TCE?TCE is a nonflammable liquid it is colorless. It has a sweet odor and a sweet burning taste. TCE does not occur naturally in the environment. It is an artificial compound. It is produced synthetically from 1,2-dichloroethane. And stabilizers are added to the marketed product. What is TCE ... Read More

A Study of the Biological Relationship of the Tapeworm (333 words, 1 pages)

TapewormKyle Biological RelationshipIn nature you see many biological relationship in which two living aninamls have a relationship. One animal will benefits from the other aninaml that animal which lives off the other benefits from that animal or could suffers. A tapeworm and a human are example of a parasitism. The ... Read More

A Biography of Svante August Arrhenius the Swedish Physicist (944 words, 3 pages)

Svante August ArrheniusSvante August Arrhenius was born at Uppalsa, Sweden, on February 19,1859 His intelligence and creativity were apperent nt from an early age--he taughthimself to read when he was three Although credi ted with many scientificinnovations, he remains best known for his ionic theory of solutions, For which hewas ... Read More

The Natural Selection to Survival of the Fittest (1326 words, 2 pages)

Survival Of The FittestChaim H. RespesIH 52Term PaperNatural Selection to Survival of the FittestCharles Darwin felt strongly that observations made on large scale explorations such as his voyage on the Beagle showed conclusively that many clearly different organisms, animals as well as plants, were related to one another buy some ... Read More

A Study of Supernova (694 words, 3 pages)

SupernovasA supernova is a STAR that explodes. It suddenly increases inbrightness by a factor of many billions, and within a few weeks it slowlyfades. In terms of the human lifespan, such explosions are rare occurrences.In our Milky Way galaxy, for example, a supernova may be observed every fewhundred years. Three ... Read More

An Analysis of the Superfields (769 words, 3 pages)

Superfluids"As we shall see, it is generally believed that the phenomenon ofsuperfluidity is directly connected with the fact that the atoms of helium-4obey Bose statistics, and that the lambda-transition is due to the onset of thepeculiar phenomenon called Bose condensation." (Leggett, 1989) BOSE-EINSTEINCONDENSATION This is the phenomenon wherein the bosons ... Read More

An Overview of Production and Uses of Sulfuric Acid (2022 words, 6 pages)

Sulfuric AcidAmong the many plants in Ontario where sulfuric acid is produced, there arethree major plant locations that should be noted on account of their greatersize. These are (1) Inco. - Sudbury, (2) Noranda Mines Ltd. - Welland, and (3)Sulfide - Ontario There are a number of factors which govern ... Read More

A Look at Sugars and Carbohydrates (804 words, 3 pages)

Sugars And CarbohydratesCarbohydrates are present in sugars, starch, acids, and in many other nutrientsthat consist elements of carbon, hydrogen, and oxygen. Having a ratio of 1 2 1or written as CH20. A monosaccharide meaning monomer of sugar is a"simple" carbohydrate. Containing backbone of five carbon atoms thatare present in ribose ... Read More

A Research on the Environment on the Cell Membrane (883 words, 3 pages)

Study Of The Enviroment On The Cell MembraneStudy Of The Enviroment On The Cell MembraneDave LimaSBI OA1Mr. Swanson10499Purpose To study the effect of environmental changes in the permeability of living beet root cells.Procedure A The effect of pH on the cell membraneMaterials Method1. Cut a beet root into slices approximately ... Read More

A Statistical Analysis of Father Youth Study (1891 words, 4 pages)

Statistical Analysis Of Father-Youth StudyIntroductionThe purpose of this study is to ascertain the affects of drug-abusing fathers on the drug usage of their young adolescent children. A special targeted population were chosen for this study they are the children of drug-abusing fathers who are HIV-positive or at risk for becoming ... Read More

An Overview of Stars and Galaxies (403 words, 1 pages)

Stars And GalaxiesHave you ever looked up at the sky and wondered what are those bright and shiny things up there. Stars a natural luminious body visible in the sky especially at night. A self-luminious gaseous celestial body ofgreat mass which produces energy by means of nuclear fusion reactions, whose ... Read More

The Background Information of Stars (3920 words, 14 pages)

Stars A star is a large ball of hot gas, thousands to millions of kilometersin diameter, emitting large amounts of radiant energy from nuclearreactions in its interior. Stars differ fundamentally from planets in thatthey are self-luminous, whereas planets shine by reflected sunlight. Exceptfor the SUN, which is the nearest star, ... Read More

An Essay on Sputnik, an Artificial Satellite (511 words, 1 pages)

sputnikSputnik, name of the first of several artificial satellites launched by the Soviet Union from 1957 to 1961. The goals of the Sputnik program included studying the earth's upper atmosphere, observing animal survival in space flight, and testing Soviet rocket technology. The launch of the unmanned Sputnik 1 and of ... Read More

A Research on Spontaneous Human Combustion or SHC (1615 words, 3 pages)

Spontaneous Human CombustionSpontaneous Human CombustionThe world is full of the unexplained and mysterious, but is spontaneous human combustion truly spontaneous caused by the paranormal, or just simply human combustion? Most people think of spontaneous human combustion, or SHC, as ...the reduction of an otherwise normal, healthy human body to a ... Read More

Biology Essay Examples