Biology Essays Examples For College & High School Students in PDF

10822 total results

The Discovery and First Use of Uranium (316 words, 1 pages)

Uranium was first discovered by Martin Klaproth in 1789. Although he discovered it in a compound, he named it Uranium after the planet Uranus. It was later found in its pure form by Eugene Peligot in 1841. It can be found in ores of pitchblende, carnote, and torbernite. With an ... Read More

The Prevalence of the Topic of Magic and Science During Enlightenment and Renaissance Period (448 words, 2 pages)

Magic vs. ScienceWhat is magic and science? These two subjects have been around for several hundred years and many controversies have come about when the two were throw into the mix with one another. Around the time of the "Renaissance" and "Enlightenment" these topics were thought to be confusing and ... Read More

A Look at the Two Divisions of the Science of Sleep Based on Brain Waves (2311 words, 4 pages)

Man was placed on the earth with the basic instinct to survive in a dangerous world. One of these instincts was to rest everyday for a period of time while the sun was down. Today, with our advancements in science and medicine, sleep remains to be one of those basic ... Read More

The Biography of Italian Physicist and Astronomer Galileo Galileo (318 words, 1 pages)

Galileo was an Italian physicist and astronomer who with the German astronomer Johannes kelper initiated the scientific revolution that began the work of Sir Isaac Newton. Galileos main interest was astronomy he used the telescope which he invented using optic lenses to see sunspots on the sun loonier mountains and ... Read More

An Analysis of the Plate Tectonics in the American Geological Research by F. B. Taylor (1504 words, 3 pages)

Plate TectonicsSince the beginning of human kind there has been a cloud of wonder regarding the origin of our planet. Scientist interested in this field through out the years have developed many different theories to how our planet came about. Before the Twentieth Century, scientist and geologist alike revolved in ... Read More

An Overview of the Periodic Table by Dmitri Mendeleev and a Brief Biography of the Russian Chemist (972 words, 2 pages)

The periodic table was developed by Dmitry Mendeleev in 1869. It classifies the elements according to their properties and increasing atomic weight. The atomic number, which identifies an element s position in the periodic table, is equal to the amount of protons in the nucleus. From spaces in his table, ... Read More

A Hypothesis for Determination of the Possible Genotypes for Hereditary Traits (880 words, 3 pages)

Exploring Hereditary TraitsMy experiences working on this experiment haven t been easy as it could have been. I realized that waiting until the last minute and not following the assigned dates landed me in a stressed position that could have been prevented. Now I have more work than I had ... Read More

An Analysis of the Differences Between Humans and the Role of Hormones in Expressing Feelings (1169 words, 2 pages)

Has anyone ever thought about what actually separates people from one another? I believe people are controlled by chemicals that are produced in the brain called seratonin and dopamine. I once took in the idea that ethics, role models, and the government play an enormous role in who we are. ... Read More

A Biography of Thomas Alva Edison a Scientist (622 words, 3 pages)

THOMAS ALVA EDISONThomas was born February 11, 1847 in Milan Ohio. He was the seventh andlast child of Nancy and Samuel Edison. As a child he was very quiet, thoughtfuland inquisitive. Because he was not a hardy child he did not attend school until hewas 7. His teacher thought he ... Read More

A Biography of Jacques Yves Cousteau, a French Scientist (1417 words, 2 pages)

Jacques Yves Cousteau was born on June 11th 1910 in Saint-Andre-de-Dubzac France. His father was a legal advisor and was fascinated with people like Thomas Edison and his inventions like the light bulb. His mother was a housewife with rich parents. They both had large expectations for their newborn son. ... Read More

An Analysis of the Black Hole Creation and the Huge Gravitational Field (1962 words, 3 pages)

Stars can turn into varieties of things as they collapse, including white dwarfs, neutron stars, and black holes. A black hole is suggested to be the end product of a large star that is collapsing into itself, due to the fact that gravitational acceleration is calculated by the formulaAGmb r6Where ... Read More

An Introduction to the History of Horizontal Gene Transmission (721 words, 2 pages)

Horizontal Gene TransmissionFor centuries, humankind has made improvements to crop plants through selective breeding and hybridization, the controlled pollination of plants. Plant technology is an extension of this traditional plant breeding with one important difference, plant biotechnology allows for the transfer of a greater variety of genetic information in a ... Read More

The Life and Achievements of Albert Einstein (818 words, 2 pages)

Albert Einstein Einstein was born on March 14, 1879, in Ulm Germany. He lived there with his parents, Herman and Pauline. After a year in Ulm, due to the failure of his father's electrical and engineering workshop, the Einstein family moved to Munich (the capital of Bavaria), where after a ... Read More

A Biography of Ernest Rutherford (951 words, 2 pages)

ERNEST RUTHERFORD.Ernest Rutherford was born in Spring Grove in New Zealand on August 30th, 1871. His parents, James and Martha, had emigrated from Great Britain and believed their children, numbering 12, should have proper education. At the age of 16 Ernest won his first scholarship to Nelson College, where he ... Read More

The Effects of Solutions on Ion Transportation Across Membranes (2150 words, 4 pages)

Effects Of Solutions On Ion Transport Across MembranesAbstractConcentration gradients exist between two different salt molarity solutions on opposite sides of a membrane. Movement of ions across these sides can be achieved by either active or passive diffusion. In our first three experiments we used these concentration gradients to determine the ... Read More

The Characteristics of Purple Loosestrife, an Invasive Exotic Plant Species (3082 words, 14 pages)

Purple LoosestrifeThe scene is breathtakingly beautiful, a thick brush of purple flowers blanketsCanada's wetlands. This blanket silences the expected sounds of the wetlandenvironment, birds chirping, ducks splashing, insects buzzing and animalsthriving. This unnatural silence is disturbing, the favourite flowers that usedto litter this landscape are no longer visible, the water ... Read More

An Introduction to the Exploration of the Red Planet; Mars (1168 words, 2 pages)

Final DraftFor hundreds of years the Red Planet, Mars, has fascinated people. Today it appears as if we re on the brink of exploring, or rather learning to explore, this great mystery. However, though the desire to explore Mars exists, an actual mission will take more than just will and ... Read More

An In-depth Description and Analysis of the Phenomenon of the Rainbow (1642 words, 2 pages)

rainbows By anonymous E-mail anonymous Rainbows A rainbow is one of our atmosphere s most exquisite and marvelous creations "one of the most spectacular light shows observed on earth" (Ahrens, 1998). When a person views a rainbow, they are getting a personal light show that no other person can see ... Read More

A Biography and Life Work of Sir Isaac Newton, an English Physicist (2664 words, 5 pages)

Sir Isaac NewtonThrough his early life experiences and with the knowledge left by his predecessors, Sir Isaac Newton was able to develop calculus, natural forces, and optics. From birth to early childhood, Isaac Newton overcame many personal, social, and mental hardships. It is through these experiences that helped create the ... Read More

An Analysis of the Fine-Tuning Design Argument for God’s Existence (848 words, 2 pages)

The Fine-Tuning Design Argument for God s ExistenceThe laws and constants of nature are so "finely-tuned," and so many "coincidences" have occurred to allow for the possibility of life, the universe must have come into existence through intentional planning and intelligence. In fact, this "fine-tuning" is so pronounced, and the ... Read More

A Highlight of the Life Story of English Mathematician and Physicist, Sir Isaac Newton (240 words, 2 pages)

Sir Isaac NewtonEnglish mathematician and physicistBirthDecember 25, 1642DeathMarch 20, 1727Place of BirthWoolsthorpe, EnglandKnown forInventing, in part, the branch of mathematics now known as calculusFormulating the three laws of motion, which describe classical mechanicsProposing the theory of universal gravitation, which explains that all bodies are affected by the force called gravityCareer1661 ... Read More

Biologists Are Hopeful to Find Life Outside Earth (1114 words, 2 pages)

Extraterrestrial lifeAs biologists learn about life on Earth in all its diversity, and at the rate that new planets are being discovered the search for life elsewhere grows more steadily pressing. We have discovered organisms on the Earth that seem tenacious and tough almost to a fault they thrive in ... Read More

The Question of Whether the Mind is Separate from the Brain (262 words, 1 pages)

Is the mind separate from the brain?The question Is the mind separate from the brain? is a question that has baffled scientist from Aristotle, and Hipocrates, to the modern day scientist. Right now our scientist are not able to answer this question. It is a matter of opion. To form ... Read More

The Big Bang Cosmology (1323 words, 2 pages)

The first (?) and most popular ( ?) explanation is the big bang cosmology. The development of new and better tools for astronomical observation and Einstein s discovery of the theory of General Relativity sparked a revolution in this field in the early part of the 20th century. (Cite source) ... Read More

Benefits of Genetic Engineering (718 words, 2 pages)

CREATION AND CURESImagine not worrying about being perfect. Having IQ levels better than Einstein, but with an appealing appearance, singing better than the Backstreet Boys, and playing a favorite sport like a professional. Well, fortunately scientists have found a way of making those imaginative thoughts into reality through Genetic Engineering. ... Read More

The Life and Times of John Calvin (1509-1564) (312 words, 1 pages)

CALVIN JOHN (1509-64).When John Calvin was a boy in France, Martin Luther launched the Protestant Reformation in Germany. Two decades later Calvin became the second of the great 16th-century reformers. His work and teachings had a profound impact on the development of Christianity. John Calvin was born in a upper ... Read More

Describing Transformation and Its Different Types (799 words, 3 pages)

What is transformation? Transformation is a one-to-one function from one plane on to another plane or to a different area on the same plane. A transformation describes a change in appearance of points in a plane. It is a transfer from the pre-image to the image. There are many types ... Read More

An Overview of the Production of Calcium Chloride in America, Its Sources and Uses (359 words, 2 pages)

Calcium chloride is used for such things as dust control, road deicing, and to assist in oiland gas drilling. It is easily manufactured for a variety of sources underground brines inMichigan, a by-product of hydrochloric acid streams, and soda ash can harbor calciumchloride. For years the market was supplied by ... Read More

The Key Properties of the Three Categories of Implant Alloys (1152 words, 3 pages)

Homework 1Implant MetalsAbstractThis paper will discuss the key properties of three categories of implant alloys stainless steels, cobalt-based alloys, and titanium-based alloys, focusing on those properties which make the implant alloys ideal for skeletal implants. An additional focus of the paper will be on any disadvantages possessed by each group ... Read More

The Advancements in Cloning Technology and Its Effects (330 words, 1 pages)

Cloning is a new technology that humans have just acquired. Before, cloning was something that you could read about in a science-fiction book for a buck. Now, we have seen proof of cloning with the sheeps called Dolly. The big question is if we should clone humans. There are only ... Read More

Biology Essay Examples