Biology Essays Examples For College & High School Students in PDF

10822 total results

An Introduction to the Life of Jin Zhao (519 words, 1 pages)

Good morning, ladies and gentlemen, distinguished judges and my dear friends!My name is Jin Zhao, a sophomore from College of Life Sciences, Wuhan University.Standing here, in front of so many talented English learners, I would just like to share my ideas on learning English with you all.Last time when I ... Read More

An Introduction to the Magnetic Anisotropy of Fine Particles (373 words, 1 pages)

"Magnetic Anisotropy Of Fine Particles" In nature, single domain particles are magnetized to saturation, where the magnetization has an easy axis, or several easy axes, along which it prefers to lie. In this case the total internal energy is minimum. Rotation of the magnetization vector away from the easy axis ... Read More

An Analysis of Space (1044 words, 2 pages)

Space is filled with radiant energy and beyond earth's atmosphere this energy flow more steadily and more intensely from the sun than that which penetrates to the surface of the Earth. So an abundant and essential source of energy that would be used in space for the space colony would ... Read More

The Little Soldiers of the Animal Kingdom (6433 words, 8 pages)

One of the most little known species of ants in North America is the leaf-cutter ant. This is mainly because it lives in tropical environments and it is not aggressive to animals or humans if not disturbed. The leaf cutting ant is a social insect. Alone the ant is virtually ... Read More

A Research on Hydrogen Peroxide (H2O2) (645 words, 1 pages)

(H2O2), a colourless liquid usually produced as aqueous solutions of various strengths, used principally for bleaching cotton and other textiles and wood pulp, in the manufacture of other chemicals, as a rocket propellant, and for cosmetic and medicinal purposes. Solutions containing more than about 8 percent hydrogen peroxide are corrosive ... Read More

A Look at the Various Theories Explaining the Evolution of Man (926 words, 2 pages)

Evolution is the complexity of processes by which living organisms established on earth and have been expanded and modified through theorized changes in form and function. Human evolution is the biological and cultural development of the species Homo sapiens sapiens, or human beings. Humans evolved from apes because of their ... Read More

An Essay on Human Evolution (924 words, 2 pages)

Evolution is the complexity of processes by which living organisms established on earth and have been expanded and modified through theorized changes in form and function. Human evolution is the biological and cultural development of the species Homo sapiens, or human beings. Humans evolved from apes because of their similarities. ... Read More

A Report on the Topic of Human Cloning (789 words, 2 pages)

Since I am majored in biology, I will mainly talk about the topic of human cloning today.Four billion years ago, life arose on the earth. Four billion years later, human beings begin to look into the secrets hidden in the genes, which are the most delicate structure of life. A ... Read More

A History of Space Exploration (1826 words, 3 pages)

Exploration to travel in a little-known region for discovery, as defined by Webster. Since the age of the Greeks, Anglo-Saxons have been interested in space exploration. From Copernicus to Gaileo to Newton, space has been looked upon with adoring eyes. Space has been regarded time after time as the final ... Read More

An Overview of the Monte Carlo Method (MC) and the Molecular-Dynamics Method (MD) (369 words, 1 pages)

It could be argued that current physics research could be divided into three areas - theoretical, experimental and computational. Numerical approach, in which systems are mimicked as accurately as possible using a computer or in which computer models are set up to provide well - behaved experimental systems are increasingly ... Read More

A Highlight of Early Physics (1421 words, 3 pages)

Early PhysicsPhysics began when man first started to study his surroundings. Early applications of physics include the invention of the wheel and of primitive weapons. The people who built Stone Henge had a knowledge of physical mechanics in order to move the rocks and place them on top of each ... Read More

Understanding the Idea Behind the Hertzsprung-Russell Diagram or H-R Diagram (497 words, 1 pages)

The Hertzsprung-Russell Diagram or, the H-R Diagram for short, is a graph which plots stars according to their temperature and absolute magnitude. This graph reveals a pattern, which in fact is quite interesting. The H-R Diagram is named for the two astronomers, Ejnar Hertzsprung and Henry Russell, who discovered this ... Read More

A Look at the HAARP Low Frequency Radio Wave Generator and How It Works (1380 words, 2 pages)

HAARP is an extremely low frequency radio wave generator. It stands for High Frequency Active Auroral Research Program. It is a massive antennae array up in Alaska on the Copper River Basin. It's altitude fluctuates between 1000 and 3000 feet above sea level. It is operated by the US military, ... Read More

The Wide Range of Techniques and Agents That Can Be Used in Germ Warfare (420 words, 1 pages)

Biological or germ weapons are living organisms used for the military and intended to cause diseases or death in human, animal, or plant life. They are made up of organisms that are highly contagious and reproduce very quickly. The groups using germs as their weapons depend on their fast reproduction.There ... Read More

An Analysis of Geosychronous Orbits and Geostationary Orbits (395 words, 1 pages)

Geosynchronous Orbits Geostationary Orbitsa href"httpclick.linksynergy.comfs-binstat?idpcZ8g7DjAzAofferid6424type2subid0urlhttp253Asearch.borders.comfcgi-bindb2wwwsearchsearch.d2wDetails253F2526mediaType253DBook2526prodID253D3805147" Webster's DictionaryIMG border0 alticon width1 height1 src"httpad.linksynergy.comfs-binshow?idpcZ8g7DjAzAbids6424type2subid0" a defines a Geostationary orbit as of, relating to, or being a satellite that travels above Earth's equator from west to east at an altitude of approximately 35,900 kilometers (22,300 miles) and at a speed matching that of ... Read More

A View on the Genetically Engineered Food as a Solution to the Problem of World Hunger (663 words, 1 pages)

Millions of people all over the planet suffer from poverty and starvation. One very interesting but experimental solution to the problem of world hunger is genetically engineered food. The process involves the crossbreeding of crops in a laboratory with species that are not plant like. Say for example, that a ... Read More

The Steps to Understanding Genetic Engineering (3097 words, 5 pages)

IntroductionScience 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 an analytical engine, to a calculator, to a computer. However, science, in the past, has always ... Read More

An Analysis of Giant Transnational Companies (747 words, 2 pages)

centerGENETICALLY ENGINEERED FOODS- RISK TO HUMANITYcenterGiant transnational companies are carrying out a dangerous global experiment by introducing large numbers of genetically engineered foods into our diet. Genetic manipulations can result in unanticipated harmful effects, and because genetically engineered foods are not tested sufficiently, this experiment not only jeopardizes the health ... Read More

The Early Life, Achievements and Influence of Galileo Galilei (929 words, 2 pages)

Galileo Galilei was born at Pisa on the 18th of February in 1564. His father, Vincenzo Galilei, belonged to a noble family and had gained some distinction as a musician and a mathematician. At an early age, Galileo manifested his ability to learn both mathematical and mechanical types of things, ... Read More

A Highlight of the Various Ages in History (1792 words, 4 pages)

H2The Stone AgeH2In the early days of man, navigation was composed remembering objects as fixed points of reference. Leaving a trial of stones, marking trees and referencing mountains are examples of primitive navigational aids. The principles of this kind of navigation has evolved and is even present in today?s sophisticated ... Read More

The Role and Structure of DNA (1144 words, 2 pages)

IntroductionDeoxyribonucleic acid is contained in all cells. The structure of DNA makes gene transmission possible. Since genes are segments of DNA, DNA must be able to make exact copies of itself to enable the next generation of cells to receive the same genes. The DNA molecule looks like a twisted ... Read More

An Analysis of the Features of Mitochondria and Its Functions (324 words, 1 pages)

The mitochondria has an eggshape structure. The mitochondria consists of an inner and outer membrane. The outer membrane is what shapes the organelle to its egglike shape. The inner membrane which folds inward makes a set of "shelves" or cristae that allow the reactions of the mitochondria to take place. ... Read More

An Analysis of Chromosomes (586 words, 1 pages)

Sometimes when meiosis ( the division of reproductive cells ) occurs, chromosomes may be lost, left behind, or too many may be passed on, resulting in the birth of a child with a genetic or congenital defect or disease. One of the most common of these genetic disorders is Down ... Read More

An Analysis of Dark Matter in Cosmological Theory (993 words, 2 pages)

There is perhaps no current problem of greater importance to astrophysics and cosmology than that of "dark matter". The controversy, as the name implies, is centered on the notion that there may exist an enormous amount of matter in the Universe that cannot be detected from the light that it ... Read More

A Description and Importance of the Taraxacum Officiale, a Perennial Herb (370 words, 1 pages)

Scientific name -Kingdom-Plantea, Phylum- Tracheophyta, Class- Angiospermae, Order- Asterales, Family- Asteraceca, Genus- Taraxacum, Species- officialeDescription - The Taraxacum officiale is a perennial herb that grows from two to eighteen inches tall they are a stem less plant and all parts of the plant contain a milky juice. The leaves are ... Read More

An Analysis of First and Fundamental Step (307 words, 1 pages)

The first and fundamental step in the creative process is to have a clear notion of what the problem is and to be able to state it clearly. The effective thinker begins by first focusing on the structure of the problem, rather than its technical detail. Also brought into working ... Read More

An In-Depth Analysis of the Controversies of Human Cloning (1017 words, 2 pages)

The question shakes us all to our very souls. For humans to consider the cloning of one another forces them all to question the very concepts of right and wrong that make them all human. The cloning of any species, whether they be human or non-human, is ethically and morally ... Read More

An Analysis of the Controversial Topics From an Individualistic Viewpoint (1653 words, 3 pages)

In many controversial topics around the world, such as abortion, gun control, legalized drugs, the death penalty, and cloning (to name a few), we can find differing positions, and opinions. Many of these arguments, can be narrowed down to two different views, or constructs individualistic and communitarian (an image of ... Read More

An Essay on Cloning and Its Constraints (576 words, 1 pages)

centerALL CONSTRAINTS UPON CLONING SHOULD BE LIFEDcenterCloning has been a very controversial topic since it affects moral values of human beings and other living things alike. In February 1997 scientists in Scotland announced the birth of the first cloned sheep named Dolly, this heralded the future of cloning possibilities and ... Read More

An Overview of Carbon (1253 words, 3 pages)

I. Introduction A. The History of CarbonII. Occurrences in Nature A. Diamond B. Graphite C. Coal and Charcoal D. Amorphous CarbonIII. Carbon Compounds A. Inorganic B. OrganicIV. The Carbon CycleV. ConclusionCarbon, an element discovered before history itself, is one of the most abundant elements in the universe. It can be ... Read More

Biology Essay Examples