Biology Essays Examples For College & High School Students in PDF

10822 total results

Ryosuke Motani’s Insights on the Ophthalmosaurus in the Article Rulers of the Jurassic Seas (516 words, 1 pages)

"Rulers of the Jurassic Seas" was an outstanding article that gave insight into the fish-shaped reptiles called the Ophthalmosaurus. Ryosuke Motani who is a very successful paleontologist wrote this article to share the mysteries of piecing together the unordinary evolution of a once dominant species. Montani paints a picture of ... Read More

The Effects of the Length of a Piece of Wire on Its Resistance (972 words, 2 pages)

Plan In this investigation I am going to investigate how the length of a piece of wire affects its resistance. The following are all variables that affect the resistance of the wire - The thickness of the wire is a big variable as the thinner the wire the bigger the ... Read More

An Analysis of Representative Gases and Their Properties (1581 words, 4 pages)

Representative Gases Properties of Gases i1. State the five assumptions of the Kinetic-Molecular Theory of gases.i a) Gases consist of large numbers of tiny particles. These particles, usually molecules or atoms, typically occupy a volume about 1000 times larger than occupied by the same number of particles in the liquid ... Read More

Are Hybrid Vehicles the Future of Internal Combustion Vehicles? (466 words, 1 pages)

Hybrid vehicles were a notion that environmentalists spoke about as a concept, which could increase gas mileage of vehicles, and conserve consumption of fossil fuels. According to Wikipedia, "Today's hybrid cars or hybrid electric vehicles are automobiles powered by internal combustion engines, but also equipped with batteries recharged during driving ... Read More

A Reflective Report on the Significant Issues of a Pre-Operative Medical Assignment (1379 words, 3 pages)

Reflection Assignment 1 Following Johns Model of Structured Reflection Johns Model of Structured Reflection (Johns 1998) 1.Write a description of the experience. Ask yourself 'What are the significant issues I need to pay attention to?' I was asked to complete a pre-operative assessment on an elderly lady for cataract extraction, ... Read More

The Memories of Childhood in the Work of Ray Bradbury, a Science Fiction Writer (1579 words, 2 pages)

Despite Ray Bradburys classification as a science fiction writer, much of his writing relates to the past and his feelings about it. Although he does criticize the society in which he lives in many books, Bradbury also shows a positive feeling for the world. It is not however the world ... Read More

A History of the Discovery of Cosmic Rays (784 words, 2 pages)

Quarks Essay Grade 12 Physics Physicists are always looking for particles too small to be seen by the human eye. In one such search 'cosmic' rays were discovered using a cloud chamber experiment. These perviously undetected rays contained many elementary particles. The newly encountered particles were found to combine to ... Read More

An Analysis of the Nature and Possible Effects of a Black Hole (1216 words, 2 pages)

What if I told you the most powerful object in the universe was no bigger than a city? What if I told you it had enough power nothing could escape its grasp, even light? What is this, you ask. A black hole. (Asimov, 1-196) What is a black hole? A ... Read More

A Research into the Problem of Rail Infrastructure in the UK National Transport System (9731 words, 21 pages)

Chapter 1 Introduction 1.1 Project Background Demand for rail transport over the last decade has increased by 30 (transport studies, 2003). Over the next ten years it is expected to rise from around 39 billion passengers' km a year to 52 billion. Over the same period freight demand is forecasted ... Read More

A History of Clyde William Tombaugh’s Discovery of the Former Planet of Pluto (678 words, 3 pages)

Pluto Ninety three years ago an astrologer noticed slight variations in the orbit of the planet Uranus.Then the search began for a ninth planet.Twenty five years later a startling discovery was made. The year was nineteen thirty when Clyde William Tombaugh had discovered a ninth planet beyond Neptune.The telescopic search ... Read More

An Analysis of the Character of Dr. Paul Proteus in Player Piano (1539 words, 2 pages)

In Player Piano, everything is controlled by machines and computers and depends on productivity. The managers and engineers only create new programs for more productive production. Even the rates of production and consumption are calculated by a computer (EPICAC), which is seated in the large Carlsbad cavern system. The EPICAC ... Read More

An Analysis of the Importance of Phosphates in Manufacturing Detergents (867 words, 2 pages)

Phosphates may be created by substituting some or all of the hydrogen of a phosphoric acid by metals. Depending on the number of hydrogen atoms that are replaced, the resulting compound is described as a primary, secondary or tertiary phosphate. Primary and secondary phosphates contain hydrogen and are acid salts. ... Read More

The Debate Surrounding the Revelation of Carcinogenic Benzene Impurities in Perrier Bottled Water in the United States (808 words, 2 pages)

We shall examine a crisis issue, initially raised in the U.S., concerning the revealed carcinogenic benzene impurities in the famous Perrier bottled water. In the growing U.S. bottled water market, Perrier is the largest water company, heaving 9 brands and commanding 57 of the U.S. market for imported bottled water, ... Read More

Osmosis in Potato Chips (2727 words, 7 pages)

Biology GCSE Coursework Osmosis in Potato Chips Skill Area P Planning Aim To investigate the effect of varying concentration of a certain sugar solution on the amount of osmotic activity between the solution and a potato chip of a given size. Hypothesis Osmosis is defined as the net movement of ... Read More

The Discovery of the Orion Nebula Star Cluster (996 words, 2 pages)

The Orion Nebula contains one of the brightest star clusters in the night sky. With a magnitude of 4, this nebula is easily visible from the Northern Hemisphere during the winter months. It is surprising, therefore, that this region was not documented until 1610 by a French lawyer named Nicholas-Claude ... Read More

The Big Bang and Nuclear Fusion (2630 words, 4 pages)

The "big bang" which created the universe, only created the elements Hydrogen (H) and Helium (He) and possibly a very small amount of Lithium (Li). However, a glance at the periodic table of the elements shows that today (some 15 billion years after the big bang) there are at least ... Read More

An Overview of the Nuclear Power Problems (1281 words, 4 pages)

Nuclear Power Problems The effects caused by a nuclear power accident, on the scale of the April 26, 1986 Chernobyl accident, must override any inclination to side with advocates for nuclear power. Surely we have all heard the expression Im only human. If we are indeed only human, and consequently ... Read More

Sounds Waves and the Speed of Sounds (827 words, 2 pages)

Sound waves are created from a source which is vibrating. The vibrating source creates longitudinal waves in some medium which are detected by our ear or by an instrument. The speed of the sound wave will depend on the medium in which the sound is traveling. Since the approximate speed ... Read More

The Butterfly Fish as the Indicator of Coral Reef Health (2453 words, 10 pages)

Biomonitoring of coral reef health using Butterflyfishes (Family Chaetodontidae) Ryan Gounder 11699 THE INDICATOR HYPOTHESIS "Coral feeding Butterflyfishes respond to declines in coral quality or abundance by behavioral and spatial adjustments that can be easily and rapidly observed." (Crosby Reese 1996) Introduction A fundamental question that one asks when using ... Read More

The Life and Scientific Accomplishments of Sir Isaac Newton (1193 words, 2 pages)

Isaac Newton was a well-known English scientist. He accomplished a lot during his time and influenced the world a great deal. He is considered to have contributed more to science than any other person. His life can be divided into three periods. The first one was his early childhood, he ... Read More

The Mystery of Spontaneous Combustions in Canneto di Caronia, Italy (726 words, 1 pages)

The gate at the entrance to Canneto Di Caronia, Italy has come off its hinges and swings in the wind as cats wander into homes abandoned after a series of mystery fires. Canneto di Caronia has been taken over by an endless flow of scientists, engineers, police and even a ... Read More

An Analysis of the Composition of the Near-Earth Objects in the Universe (644 words, 1 pages)

Near-Earth Objects are comets and asteroids that have been pushed by the gravitational attraction of nearby planets into orbits that allow them to enter the Earth's neighborhood. They are about 4.5 billion years and can range in size from pebbles or lumps of ice, to rocky or icy worlds nearly ... Read More

A Debate About the Nazi Ethics from German Scientist’s Point of View (1828 words, 3 pages)

Nazi Ethics Debate In the interest of...saving lives, is it acceptable to make use of data collected through mutilation, torture, and death (Campbell, 16)? That is the question which has been rearing its head in scientific research since the end of World War II. As man has sought to quench ... Read More

An Analysis of the Myasthenia Gravis (MG) (228 words, 1 pages)

Myasthenia Gravis (MG) is a chronic autoimmune disorder of neuromuscular transmission resulting in muscle weakness. The term myasthenia is latin for muscle weakness, and gravis for grave or serious. Myasthenia gravis is characterized by decremental neuronal response with repetitive nerve stimulation, and evidences itself in a few characteristic, physical ways. ... Read More

A Genetic Study of the Mutant Trait of Drosopila Melanogaster (1003 words, 2 pages)

Mutant Trait of Drosophila melanogaster The mode of inheritance for the mutant trait giving a dark dark body phenotype was determined using Drosophila melanogaster. This phenotype was determined to be result of the ebony mutant trait. An initial mating was set up between homozygous mutant males, and homozygous normal virgin ... Read More

The Black Hole Theory: The Mystery Lies within What We Cannot See (786 words, 2 pages)

Within our galaxy alone, there are millions upon millions of stars. Within our universe, there are millions upon millions of galaxies. Humans have known the existance of stars since they have had eyes. Although interpretations may have differed on what they were, they were always thought of as white glowing ... Read More

How the Multiplex Telegraph Was Invented (696 words, 2 pages)

Inventor of Multiplex Telegraph Thomas Alva Edison was born in Milan, Ohio, February 11, 1847. In 1854 the family moved to Port Huron, Michigan, where seven-year-old Tom Edison set up his first chemical laboratory in the cellar of their large house. Edison's career as a telegraph operator began when he ... Read More

A Survey of Multiple Sclerosis (745 words, 1 pages)

Multiple Sclerosis is a disease in which areas of the brain, spinal cord, and peripheral nerves are stripped of their myelin, which is the fat covering that insulates the nerve fibers. This makes it harder for the transmission of messages between the central nervous system and the rest of the ... Read More

An Introduction and a Brief History of Molecular Biotechnology in Our Lives (2340 words, 4 pages)

Molecular Biotechnology in Our Life If you have had a can of soft drink, ate a fruit, or took some head ache medicine this morning - then it's very likely you have used a genetically enhanced product. Genetics is a part of biotechnology that manipulates biological organisms to make products ... Read More

An Analysis of the Different Steps of Cell Division (781 words, 1 pages)

Cell division plays a very important role in the life cycle of a cell. Without cell division all living organisms would fail to reproduce, eventually dying out. Cell division involves two major steps nuclear division and cytokinesis. Nuclear division is broken into two different types mitosis and meiosis. Mitosis and ... Read More

Biology Essay Examples