Biology Essays Examples For College & High School Students in PDF

10822 total results

A Look at the Final Days of Galileo Galilei (1761 words, 7 pages)

Galileo"Whereas Galileo spent his last days under house arrest and was formallycondemned by the Church for his scientific views, the elder Darwin was widelyrespected by the Anglican Church and was buried at the Westminster Abbey, anhonor reserved for only the most illustrious personages of Great Britain. Thereason for the two ... Read More

Biodiversity Is Defined as the Variety of Different Types of Life Found on Earth. (514 words, 3 pages)

"BIODIVERSITY"Biodiversity, as defined by E.O. Wilson, "is meant to be all inclusive-it's the genetic based variation of living organisms at all levels, from thevariety of genes in populations of single species, through species, on up to thearray of natural ecosystems." This includes plants, animals, insects, fungi,bacteria, and all microorganisms. All ... Read More

The Usage of Hydroponics in Producing Crops (317 words, 2 pages)

Advantages of Producing Crops Through Use of HydroponicsHYDROPONICS derives its name from the Greek HYDRO-PONOS meaningwaterlabor. Literally, "Hydroponics" means "Water Work." There is no soil in ahydroponic garden. No organic matter is present so nourishment (Nutrient) isnot available to the plants in the same was as it is in a ... Read More

The Effects of Predator on Different Kinds of Ecosystem (421 words, 3 pages)

Predators and Ecosystem ManagementNatural Resources Management012997Predators have an everlasting effect on different kinds of ecosystems.They influence there ecosystems by controlling the abundance of lower speciescertain habitats. In this article, Predators and Ecosystem Management by(James A. Estes). He explains results of case studies that indicate importantecological roles for predators in a ... Read More

A Look at the Nuclear Weapons and Its Destructive Power (929 words, 5 pages)

Nuclear WeaponsEric SajoResearch and Writing 12-2102196Mrs. KrantzA Nuclear weapon is any weapon that gets its destructive power from thetransformation of matter in atoms into energy. They include missiles, bombs,artillery shells, mines and torpedoes. Another name for nuclear weapons areAtomic bombs or Hydrogen bombs. The United States was the first country ... Read More

The Debate About the Whether Human Beings Can Also Go Extinct (3001 words, 15 pages)

Abstract Ever since Dewey McLean (1978) proposed a dinosaur extinction theory that states that a climatic change killed the dinosaurs, it has become the single most accepted theory for the dinosaur extinctions within the scientific community. It is called the dinosaur- greenhouse extinction theory. It says that a climate change ... Read More

An Informative Paper on the Power of Solar Energy as An Alternative Source of Energy (297 words, 1 pages)

Imagine a perfect source of energy. One with which no pollution what-so-ever is associated with. No poisonous gasses or destruction of rain forests. This abundant source of energy comes from the sun. Solar energy is the visible energy produced in the sun as a result of a constant nuclear fusion ... Read More

A Biography of John Muir a Botanist, Geologist and Writer (353 words, 1 pages)

The story takes place at Yosemite National Park from 1838-1914. John Muir was a botanist, geologist, and writer. He had overcome earthquakes, glaciers, and he climbs mountains. John Muir had impressed by overcoming all the dangers like animals. He was an expert on wilderness. He knows survival skills to stay ... Read More

A Discussion of the Formation, Types and Lements of a Volcano (1346 words, 6 pages)

This paper will define and discuss the volcano to include types of volcanoes, formation of a volcano, and elements of a volcano such as, lava, rock fragments, and gas. This paper also tells a little bit about volcanic activity in different parts of the world. What is a volcano? A ... Read More

A Biography of the Life and Research Works of Dr. Anthony D. Johnson (217 words, 1 pages)

Dr. Johnson was born in Brooklyn, New York. His father was a bus driver for the area and his mom worked at the local post office. Since he had no role models in his family what led him to become a scientist? One Christmas, when he was nine years old ... Read More

An Argument That Cloning Has Numerous Benefits (970 words, 4 pages)

CloningCloning opens many doors of opportunities in the agricultural aspect ofthe United States of America. It has already been a major factor in saving thelives of many humans. I feel the society as a whole can not and should notdegrade this scientifical finding. I feel that human cloning should not ... Read More

A Look at Copernicus’ Work on Planetary Motion (206 words, 1 pages)

Copernicus Copernicus' work on planetary motion stood an a very high mathematical levelfor his times. His theory explained how all the celestial bodies move aroundthe Sun. It took Nicolaus 30 years of mathematical research to form a theoryabout planetary motion. The three most popular instruments which Copernicusused were quadrant, armilla, ... Read More

Learning the Mystery and Marvel of Wonders Our Universe Hold (1268 words, 5 pages)

Into the Depths of A Black Hole Everyday we look out upon the night sky, wondering and dreaming of whatlies beyond our planet. The universe that we live in is so diverse and unique,it interests us to learn about all the variance that lies beyond our grasp.Within this marvel of ... Read More

An Analysis of the Experiment of Transport Characteristics in the Permeability of Hydrophilic in the Biochemistry (2443 words, 13 pages)

Permeability of HydrophilicSupervisors Vladan Milovic Professor Per ArturssonSUMMARYInvestigations of the integrity and transport characteristics of 24A1 cellshave been done in this report. The cell line was isolated from rat fetalintestinal epithelial cells and transfected with thermolabile SV40 large Tantigen.These cells proliferated at 33 C, but eliminated the antigen and ceasedproliferating ... Read More

A Question of the Life in Universe, Little Green Men or Just Little Microscopic Organisms (626 words, 3 pages)

Little Green Men or Just Little Microscopic Organisms?The question of life on Mars is a puzzle that has plagued many mindsthroughout the world. Life on Mars, though, is a reality. When you think ofMartians, you think of little green men who are planning to invade Earth anddestroy all human life, ... Read More

Characteristics of GHB (Gamma-Hydroxybutyrate) (2433 words, 11 pages)

GHB, or gamma-hydroxybutyrate, is a nutrient that is part of the metabolismprocess in mammalians. It can be found in every cell of the human body. Thegreatest quantities can be found in the kidney, heart, skeletal muscles, andbrown fat tissues (Chin and Kreutzer, 1992). Chin and Kruetzer also believe itto be ... Read More

Understanding How Cloning World and Its Benefits (2542 words, 11 pages)

Cloning, the process of Manipulating a cell from an animal so that itgrows into an exact duplicate of that animal is the forbidden fruit of biology.(Begley 54). The word clone, derived from the Greek word Klon,meaning twig or slip, refers to asexual reproduction. Also known as vegetativereproduction. Cloning became known ... Read More

A Look at Key Arguments Made Against Human Cloning (3984 words, 18 pages)

The successful cloning of an adult sheep, announced in Scotland this pastFebruary, is one of the mostdramatic recent examples of a scientific discovery becoming a public issue.During the last few months,various commentators -- scientists and theologians, physicians and legalexperts, talk-radio hosts andeditorial writers -- have been busily responding to the ... Read More

A Look at Fusion Reaction and What Is Needed (2381 words, 11 pages)

For a fusion reaction to take place, the nuclei, which are positively charged, must have enough kinetic energy to overcome their electrostatic force of repulsion. This can occur either when one nucleus is accelerated to high energies by an accelerating device, or when the energies of both nuclei are raised ... Read More

Determination of the Amount of Urea in a Specimen of Urine (1334 words, 4 pages)

An experiment to determine the amount of urea in a specimen of urine.Introduction.Metabolism produces a number of toxic by-products, particularly the nitrogenous wastes that result from the breakdown of proteins and nucleic acids. Amino (NH2)groups are the result of such metabolic reactions and can be toxic if ammonia (NH3) is ... Read More

An argument for the existence of other intelligent beings in the Universe (1512 words, 2 pages)

We once believed that Earth is the only planet in the Universe that supports life. Today there is overwhelming evidence that not only suggests, but supports the very real possibility that we may share the Universe with other intelligent beings. I. Things in the Sky A. The First Documented Sighting ... Read More

A short biography of Tycho Brahe (547 words, 3 pages)

Tycho Brahe was born on December 14th, 1546 in a town calledKnudstrup in Scania, Denmark. His early years were filled with pain, as hewas kidnapped by his uncle and raised in his castle in Tostrup, Scania. Hiseducation was backed by his uncle, and he went to the University of Copenhagento ... Read More

A Comparison of Theories Between Michael Green and John Schwartz (537 words, 3 pages)

In 1979 two scientists met at The Center for Nuclear Research (CERN). Thesemen's names are Michael Green and John Schwarz. John Schwarz had beenworking on the Theory of Superstrings Theory of Everything. Michael Greenthe younger of the two men was studying all research that he could get hishands on, and ... Read More

A Comparison of the Quantum Theory by Heinrich Hertz and Albert Einstein’s Theory of Relativity (1438 words, 10 pages)

Introduction TheQuantum Theory was the second of two theorieswhich drastically changed the way we look at ourphysical world today, the first being EinsteinsTheory of Relativity. Although both theoriesrevolutionized the world of physics, the QuantumTheory required a period of over three decades todevelop, while the Special Theory of Relativitywas created in ... Read More

The Man’s Useful but Taken for Granted Telephone That Has Been Outgrown the Ridicule With Which It First Received (3926 words, 13 pages)

The phone is easily one of mans most important, useful and taken for granted inventions. The telephone has outgrown the ridicule with which it first received, now in most places taken for granted, it is a part of many peoples daily lives. It marvelously extended the ways man converses that ... Read More

The Invention of the Steam Engine Which Is the Principal Power Source During the British Industrial Revolution (2133 words, 7 pages)

In the never-ending search for energy sources, the invention of the steam engine changed the face of the earth. (Siegel, Preface) The steam engine was the principal power source during the British Industrial Revolution in the 18th century. The steam engine opened a whole new world to everyone. The steam ... Read More

A Discussion of the Changes in Human Visual Hardware (1019 words, 4 pages)

Human visual hardware is a result of a billion years of evolution within the earths atmosphere where light is scattered by molecules of air, moisture, particular matter etc. However as we ascend into our atmosphere with decrease density, light distribution is changed resulting in our visual hardware receiving visual data ... Read More

The Features of Human Brain Formation (818 words, 2 pages)

The Human BrainThrough the use of molecular biology it is thought that the hominidae family first appeared about 5 million years ago. Based on this time frame it is believed that an African Hominoid lineage was present shortly before that time, approximately 10 myp, which contained the common ancestor to ... Read More

The History of the Human Genome Project and Its Features (1391 words, 7 pages)

What would you do if you were given the power to change your geneticcode from brown hair to blond?. Man has had this ability through natural selectionfor some time without knowing it, but in the near future scientist will beable to speed the process of natural selection by changing a ... Read More

An Experiment on the Effect of Populations of Ankistrodesmus and Chorella on the Growth in the Number of Organisms (1436 words, 4 pages)

AbstractThis experiment tested the hypothesis that the pure algae populations of Ankistrodesmus and Chorella will show growth in the number of organisms, and the mixed population will establish a dominant species. Each population should also reach its carrying capacity. All of the populations had the same resources available.The sampling of ... Read More

Biology Essay Examples