Biology Essays Examples For College & High School Students in PDF

10822 total results

An Analysis of the Feeling of a Paradigm Shift in the Effects of Being Near Death (1442 words, 2 pages)

In the midst of undergoing a serious life-altering incident, one often experiences the feeling of a paradigm shift. It is amazing to see how our perspectives of the world shift when forced to reflect on what is truly important. Such is the way with death. Being near death causes a ... Read More

A Study of St. Thomas Aquinas’ Metaphysics (753 words, 2 pages)

Critical Analysis on the Metaphysics of St. Thomas AquinasMetaphysics is the philosophical study whose object is to determine the real nature of thingsto determine the meaning, structure, and principles of whatever is insofar as it is. Although this study is popularly conceived as referring to anything excessively subtle and highly ... Read More

An Understanding of Clone and Cloning (2086 words, 3 pages)

The first thing that must be cleared up is what is , and what is a clone. A clone is an organism derived asexually from a single individual by cuttings, bulbs, tubers, fission, or parthenogenesis reproduction ("", 1997). Pathogenesis reproduction is the development of an organism from an unfertilized ovum, ... Read More

An Overview of Xenon (622 words, 2 pages)

is element number 54 on the periodic table of the elements. It has amass of roughly 131 atomic mass units. There are 77 neutrons and 54 protons inthe nucleus of the atom. The symbol for is Xe and it belongs to thefamily of elements called the noble gases. It is ... Read More

An Essay on Uranium and Radiation (2693 words, 9 pages)

On Monday August 6, 1945 the U.S. Bomber Enola Gay flew over theJapanese city of Hiroshima. Seconds later a metallic projectile felltowards its target. In a blinding flash the world felt the power of a newage, the nuclear age.The study of radiation that would eventually lead to these uraniumweapons began ... Read More

An Analysis of the Six Soil Samples Taken From a Roadside That Was Expected To Exhibit Characteristics of Road Salt Contamination (1201 words, 5 pages)

IL 3 Experiment 1AbstractSix soil samples were taken from a roadside that was expected to exhibitcharacteristic of road salt contamination. This contamination is characterizedby the presence of magnesium, calcium and sodium. The relationship between akalimetal concentration and distance from the pavement was examined and determinedto be nonexistent. Additionally, atomic absorbtion ... Read More

An Essay on the Ocean (1231 words, 4 pages)

The world's ocean covers about 70 of the Earth's surface. It is use to produceus many things. It is more than a place to swimming, sailing and otherrecreation. serves as a source of energy, raw materials and most ofall food like fish and seaweed. In this essay I will talk ... Read More

A Report on the Importance of Water (471 words, 2 pages)

The Importance Of WaterSince the beginning of time, water has continued to be an important thing to all living things. Without water nothing could live. We many change our food according to the climate of place but we find no substitute1 for water. Man has always looked for pure fresh ... Read More

The Importance of the Stratospheric Ozone Layer (2409 words, 8 pages)

The stratospheric ozone layer exists at altitudes between about 10 and 40kmdepending on latitude, just above the tropopause. Its existence is crucial forlife on earth as we know it, because the ozone layer controls the absorption ofa portion of the deadly ultraviolet (UV) rays from the sun. UV-A rays, includingwavelengths ... Read More

A Report on the Jacobsen’s Catalyst (2288 words, 6 pages)

Synthesis of the Jacobsens CatalystAbstractThe synthesis of Jacobsens catalyst involves five experiments, each experiment synthesis part of materials that is needed in following experiment. In experiment 1, 0.8259g of (S,S)-tartaric salt was synthesized from 3.7530g of unnatural D-(-)-tartaric acid, the yield is 38, using those (S,S)-tartaric salt, in experiment 3 ... Read More

The Life and Works of Stephen Hawking (1563 words, 5 pages)

Stephen Hawking was born in January of 1942 in Oxford, England. He grewup near London and was educated at Oxford, from which he received his BA in 1962,and Cambridge, where he received his doctorate in theoretical physics. StephenHawking is a brilliant and highly productive researcher, and, since 1979, he hasheld ... Read More

A Description of the 37th Element Located Between Potassium and Cesium in the First Group on the Periodic Table (932 words, 4 pages)

The 37th Element is located between potassium and cesium in the first Groupon the Periodic Table. It's atomic number is 37and its atomic mass is85.4678. In French and German it is , in Italian and Spanish it isrubidio.History and General FactsRubidium was discovered spectroscopically in1861 by Robert Bunsenand Gustav Kirchhoff ... Read More

An Analysis of What Affects the Rate of Reaction (3080 words, 11 pages)

BACKGROUND INFORMATIONWhat affects the rate of reaction? 1) The surface area of the magnesium. 2)The temperature of the reaction. 3) Concentration of the hydrochloric acid. 4)Presence of a catalyst.In the experiment we use hydrochloric acid which reacts with the magnesium toform magnesium chloride. The hydrogen ions give hydrochloric acid its ... Read More

A Description of the Group 16 Element, the Third Most Abundant Element Found in the Sun (961 words, 4 pages)

about is a Group 16 element. is the third most abundantelement found in the sun, and it plays a part in the carbon-nitrogen cycle,one process responsible for stellar energy production. in excitedstates is responsible for the bright red and yellow-green colours of theaurora. The atmosphere of Mars contains about 0.15 ... Read More

A Study of the Life of Nicolaus Copernicus (653 words, 2 pages)

His LifeThroughout history people have always looked up at the sky and wonderedabout the universe. Some just wonder while others attempt to solve this mystery.One of the people who had endeavored to solve it was Nicolaus Copernicus.Copernicus was born in the present day town of Torun, Poland inFebruary of 1473. ... Read More

A Study of Genetic Cloning (2636 words, 9 pages)

Since genetic cloning is a very wide topic, the focus of my paper liesmainly on the new discoveries which might be beneficial to human beings. Thefocus of the first section of the paper is on the various cloning techniquesgeneticists use nowadays. They techniques included range from the simplest andsuitable for ... Read More

The Background Information on Planet Neptune (935 words, 3 pages)

is the outermost planet of the gas giants. It has an equatorialdiameter of 49,500 kilometers (30,760 miles) and is the eighth planet from thesun. If were hollow, it could contain nearly 60 Earth's. orbits the Sun every 165 years. It has eight moons, six of which were found byVoyager 2. ... Read More

An Analysis of the Mars Climate Orbiter Successfully Blasted off a Kennedy Space Center Launch (279 words, 1 pages)

Mars Climate Orbiter successfully blasted off a Kennedy Space Center launch pad for a 9-month journey to the Red Planet on Friday, December 11, 1998. The spacecraft will arrive in martian orbit in September 1999, where it will serve as a weather satellite for a full martian year (two full ... Read More

A Study of Mitosis or Cell Division (1532 words, 3 pages)

Mitosis, the process in which a cell undergoes nuclear division, is one of the four subdivisions of the cell cycle responsible for cell growth and reproduction. The first step in mitosis is prophase. In prophase the chromatin, diffuse in interphase, condenses into chromosomes. Each chromosome duplicates and has become two ... Read More

A Description of Mitochondria, Tiny Organelles Found in Nearly All Eukaryotic Cells (752 words, 2 pages)

Mitochondria are tiny organelles found in nearly all eukaryotic cells. They are rather large organelles ranging from 0.5m to 10m in length and 1m in diameter. The mitochondria are the energy factories of the cell and are located in the cytoplasm. They are the sites of cellular respiration. The mitochondria ... Read More

A Study of the Planet Mercury (525 words, 1 pages)

Mercury is the eighth largest planet in our solar system, equaling roughly one-third of Earths size. It is also the planet closest to the sun, and is often visible with binoculars, or even the naked eye. Its difficult to see in the twilight sky. One of Mercurys most distinguishable features ... Read More

An Overview of Mercury, Symbol Hg (397 words, 1 pages)

s symbol is Hg, its atomic number is 80, its atomic mass is 200.59, its in group 12 and in period 6, and it also has two valence electrons. Its standard state is liquid at 298K and it is the heaviest known elemental liquid. It has a silvery white color. ... Read More

An Analysis of Black Holes One of the Few Remaining Mysteries of Science (678 words, 1 pages)

One of the few remaining mysteries of science is the black hole. When a star runs out of fuel to keep it burning, it explodes into a supernova(Intro. to Black Holes 1) After a supernova, some of the matter that was blown off leaves in pockets to different places in ... Read More

A Study of the Planet Mars (1800 words, 3 pages)

The net Mars is an interesting and mysterious planet. It is often referred to as the Red Planet. The rocks, soil, and sky all have a red hue on account of rust. Mars is the fourth planet from the sun at about 141 million miles (228 million kilometers) and the ... Read More

A Research on the Fourth Planet from the Sun: Mars (1038 words, 2 pages)

Mars is the fourth planet from the sun at about 228 million-km (141 million miles) and the last terrestrial planet from the sun. The next five planets in order from the sun are gaseous. Mars follows closely behind Earth but is comparatively smaller, with about half the diameter of Earth ... Read More

Mars: The Red Planet (1788 words, 3 pages)

The net is an interesting and mysterious planet. It is often referred to as the Red Planet. The rocks, soil, and sky all have a red hue on account of rust. is the fourth planet from the sun at about 141 million miles (228 million kilometers) and the last terrestrial ... Read More

An Overview of NASA Mission to Mars and the Possibility of Life in the Planet (736 words, 1 pages)

Since 1976, when the Viking Landers took off toward the red planet, people have been wondering if there is life on Mars. There have been questions of pictures taken from Mars and skepticism about why some of the recent landings have failed. Scientists, up till now, have been doubtful about ... Read More

A Look at the Natural Phenomenon, Magnatism (2873 words, 7 pages)

Magnatism is a wonderous natural phenomanon. Since days beforescientific discoveries were even written down the world has been playing withthe theories of magnatism. In these three labs we delt with some of the sameideas which have pondered over for long before any of us were around. In theseconclusions we will ... Read More

An Analysis of the Pale Blue Light in the Lower Part of Lyra Shines (602 words, 1 pages)

A pale blue light in the lower part of Lyra shines the Th brightest star in the sky, Vega. This brightest star of Lyra is moderately above Caster and below Regulas in the Hertzpring-Russell diagram. It is between spectral classes B and A and between 10 and 100 times the ... Read More

The Early Life and Times of Albert Hofmann (444 words, 1 pages)

On October 27, 1906, a child by the name of Albert Hofmann was born(Albert, 1). This child would grow up to change the world forever. His research would create of subcultures of both the 1970s and 1990s. His discoveries would cause both grief and delight. His work in pharmacology brought ... Read More

Biology Essay Examples