Biology Essays Examples For College & High School Students in PDF

10822 total results

A Study of Carbon Dioxide (323 words, 1 pages)

Carbon Dioxide Carbon dioxide has been rising in the atmosphere throughout time. Recentlythough, the levels of carbon dioxide have been increasing at a more alarmingrate. The cause of this is a direct result of man's burning of fossil fuels.We know that every action we make, as humans, will have some ... Read More

A Research on Candles (704 words, 2 pages)

CandlesMy science ReportMy science question is Do the different types of candle scents affect the amount of time the candle turns into liquid? I am going to take four different scents of candles, strawberry, cinnamon, pear, and honeydew, all the same size, and do my experiment. My dad, mom, brother ... Read More

The Importance and Function of Calcium in Our Diet (295 words, 1 pages)

Calcium In Diet Many people choose to avoid milk and other dairy products because they containfat, cholesterol, allergenic proteins, lactose, and frequently traces ofcontamination. Milk is also linked to juvenile-onset diabetes, and other seriousconditions. Happily, there are plenty of other, safer and more reliable sourcesof calcium. Keeping your bones strong ... Read More

A Study of Calcium (228 words, 1 pages)

Calcium Element Calcium Element symbol...CA Atomic weight...40.08 Element number...20 Number ofprotons...20 Number of electrons...20 Number of neutrons...20 Density at...68? FBoiling point...2,264?F Melting point...1,562?F Calcium was discovered by SirHumphrey Davis in 1808. Calcium is a mineral found in abundance in the Earth'souter crust. It is the fifth most abundant mineral in ... Read More

An Introduction to the Way Human Brain Works (800 words, 3 pages)

BrainSides The article in which I chose to examine is called Right Brain, Left Brain Factand Fiction, written by Jerre Levy. In the past fifteen years or so there hasbeen a lot of talk of left brain and right brain people. Levy's reason forrighting this article was clearly to stop ... Read More

An Introduction to the Analysis of Bones (233 words, 1 pages)

Bones Many people believed that the bone is static and inert, but this idea isincorrect, the organic and mineral components of the bone matrix are continuallybeing recycled and renewed through a process called remodeling. This processgoes under way throughout life, as part of normal bone maintenance. Boneremodeling plays a key ... Read More

An Introduction to the History of Boeing 700 (2024 words, 6 pages)

Boeing TheBoeing 700's are very capable of handling duties in the commercial andmilitary world. The Boeing 700's are capable of handling many tasks in thecommercial and military world. With the introduction of the 707 in the latefifties to the most recent 777 in the early nineties the, 700's have dominatedthe ... Read More

An Overview of the Blue Boxing Concept by Karl Marx (1306 words, 2 pages)

Blue BoxingTo quote Karl Marx, blue boxing has always been the most noble form of phreaking. As opposed to such things as using an MCI code to make a free fone call, which is merely mindless pseudo-phreaking, blue boxing is actual interaction with the Bell System toll network. It is ... Read More

An Examination of Blood Analysis (1401 words, 4 pages)

Blood Analysis Blood is a fluid substance that circulates in the arteries and veins of thebody. Blood is bright red or scarlet when it has been oxygenated in the lungsand passes into the arteries it becomes bluish red when it has given up itsoxygen to nourish the tissues of the ... Read More

An Introduction to the Analysis of Black Holes (3573 words, 12 pages)

Black HolesTable of ContentsI. What are black holes?II. Where do they come from?III. Interesting facts about black holes.IV. How are they discovered? A. X-ray Emissions B. Exotic Energy Sources C. Star speeds D. Masers E. The Baseline Array F. Hubble Telescope G. SatellitesV. Quasi-Stellar RelationsVI. Locations A. M87 B. Milky ... Read More

An Introduction to the Issue of Bipolar Junction Transistor (532 words, 2 pages)

Bipolar Junction Transistor The objective of this lab is to introduce the Bipolar Junction Transistor (BJT).A BJT is a three terminal device composed of an emitter, base, and collectorterminals. In this lab we will introduce two major types of BJT's npn andpnp. The first, npn, has an n-type emitter, a ... Read More

An Overview of the Biology of Earth (548 words, 2 pages)

Biology Of Earth Sometime during our lives, we've questioned ourselves at one point just how longhas the earth existed and how did life begin? Our Biology book written bySolomon, Berg, and Martin, shows theories that has taught us that earth isapproximately 4.6 billion years old, and the earliest pieces of ... Read More

An Analysis of hte Biology Molecule Concept of a Man (2192 words, 6 pages)

Biology Molecule Unit 1 -man is high 50's to 60 water -distribution in body divided into 3compartments 1) intracellular - 28 litres 2) intercellularinterstitial fluid -11 litres - 80 3) blood plasma - 3 litres - 20 -women contain less water thanmen -organisms can contain 60-80 water -bacteria have lots ... Read More

An Introduction to the Issue of Biological Viruses (2329 words, 4 pages)

Biological Viruses All Time Enemies First came fever. Then Hamid Mansaray, a young nurse's aide at a remote African hospital, began to hemorrhage. Blood erupted from his nose and mouth. It burst out of capillaries beneath his skin and eyes. By the time I reached the village of Panguma in ... Read More

A Biological Species Concept (1265 words, 4 pages)

BiologicalSpecies Concept Over the last few decades the Biological Species Concept (BSC) has becomepredominately the dominant species definition used. This concept defines aspecies as a reproductive community. This though has had much refinement throughthe years. The earliest precursor to the concept is in Du Rietz (1930), thenlater Dobzhansky added to ... Read More

An Essay on the Big Bang Theory (1213 words, 4 pages)

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

An Introduction to the Life of Benjamin Banneker (255 words, 1 pages)

Benjamin Banneker was one the best-known black people in early United States history. He was an astronomer, farmer, mathematician and surveyor. He contributed greatly to the rise of African Americans in science.Benjamin Banneker was born in 1731 near Baltimore. His grandmother, an Englishwoman, taught him how to read and write. ... Read More

A History of the Evolution of Automotive Spaceframes (1166 words, 4 pages)

Automotive Spaceframes Aluminum usage in automobiles and light trucks has been climbing steadily. Evenmore important, auto manufacturers are beginning to see aluminum the wayaircraft manufacturers do - as the basic structural material for their vehicles.Increasingly, in the case of carmakers, that thinking begins with an aluminumbody structure such as the ... Read More

An Essay on the Atomic Bomb (4488 words, 12 pages)

AtomicBomb Then a tremendous flash of light cut across the sky . Mr. Tanimotohas a distinct recollection that it traveled from east to west, from the citytoward the hills. It seemed like a sheet of sun. John Hersey, fromHiroshima, pp.8 On August 6, 1945, the world changed forever. On that ... Read More

An Introduction to the Danger of Asteroids (520 words, 2 pages)

AsteroidsDanger The universe is a shooting gallery and earth is the bullseye. The earth isalways under threat of a doomesday asteroid that will wipe out civilization.There are over one thousand asteroids traveling toward earth and only threequarters are accounted for. Where are the other one forth? No one knows becausethe ... Read More

An Essay on Forensic Accounting (909 words, 2 pages)

Association Of Certified Fraud ExaminersCorporations are often the victims of the most common white-collar crimes that occur in corporate America. According to the Association of Certified Fraud Examiners (cfenet.com), abuse and fraud by employees cost U.S. organizations more than 400 billion annuallywhich equals 9 per employee per day.These statistics show ... Read More

An Introduction to the Issue of Viruses in Today’s Society (309 words, 1 pages)

Are Viruses AliveAre Viruses Alive?By Bo HowesThe word virus means poi-son in Latin. Viruses are submicro-scopic intracellular parasites that consist of either RNA or DNA, and a protective coat of protein. It has caused countless diseases in vari-ous organisms. The term virus was first used in the 1890s to describe ... Read More

The Background and History of Arctic Powder (1439 words, 4 pages)

Arctic Power - A Case AnalysisARCTIC POWERA CASE ANALYSISCURRENT SITUATIONIt is the summer of 1987. Arctic Power laundry detergent has contracted with the consulting firm of Smith and Jones, LTD to assist Arctic Power in determining their strategic direction and their product positioning. BACKGROUND AND HISTORYArctic Power, a laundry detergent ... Read More

An Introduction to the History of Arctic Power (1364 words, 4 pages)

Arctic Power The Canadian laundry detergent market is mature, very competitive and dominatedby three major consumer packaged goods companies, one of which isColgate-Palmolive Canada (CPC). Arctic Power is CPC's top-of-the-line offeringin its laundry detergent line. Arctic Power is specially formulated for washingin cold water. The detergent has risen in market ... Read More

Scientists Now Closer to the Secret of Eternal Youth (1112 words, 2 pages)

Apoptosis And AgingWhen we gain control of the gene responsible for the phenomenon of apoptosis, we will be in control of aging.We are finding more evidence every day, indicating genetic links to all sorts of factors in the human being. We are just now beginning to scratch the surface of ... Read More

A Study of Apnea (1484 words, 5 pages)

Apnea Apnea is involved with the respiratory and central nervous systems. Therespiratory system allows a person to breathe in oxygen and excrete carbondioxide (Deepak 116). After entering the mouth or the nose, oxygen travels intothe pharynx, the larynx, and then the trachea. The trachea splits into twobranches which then split ... Read More

An Introduction to the Life of Antoine Lavoisier (661 words, 2 pages)

Antoine Lavoisier (1743-1794) Antoine-Laurent Lavoisier (lah vwah ZYAY) was one of thebest-known French scientists and was an important government official. His theories ofcombustion, his development of a way to classify the elements and the first modern textbook ofchemistry led to his being known as the father of modern chemistry. He ... Read More

The Life and Works of Antoine Lavoisier (671 words, 2 pages)

Antoine Lavoisier Antoine Lavoisier (1743-1794) Antoine-Laurent Lavoisier (lah vwah ZYAY) was oneof the best-known French scientists and was an important government official.His theories of combustion, his development of a way to classify the elementsand the first modern textbook of chemistry led to his being known as the fatherof modern chemistry. ... Read More

An Analysis of the Anti-Matter in Astrophysics (1213 words, 2 pages)

Anti-Matter Introduction Ordinary matter has negatively charged electrons circling a positively charged nuclei. Anti-matter has positively charged electrons - positrons - orbiting a nuclei with a negative charge - anti-protons. Only anti-protons and positrons are able to be produced at this time, but scientists in Switzerland have begun a series ... Read More

An Overview of the Concept of Anti-Matter in Astrophysics (1224 words, 4 pages)

Anti-Matter Ordinary matter has negatively charged electrons circling a positively chargednuclei. Anti-matter however has positively charged electrons - positrons -orbiting a nuclei with a negative charge - anti-protons. Only anti-protons andpositrons are able to be produced at this time, but scientists in Switzerlandhave begun a series of experiments which they ... Read More

Biology Essay Examples