Biology Essays Examples For College & High School Students in PDF

10822 total results

A Study of Black Holes (1065 words, 2 pages)

Black Holes 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 ... Read More

An Essay on the Year 1800’s: Man Over Machine (1341 words, 2 pages)

In the 1800 s, most things were done using manpower, not machines. To plow a field it used to require a team of horses and a plow. To make butter it required a hand churn. Life was simple and people depended on themselves. In the 1920's the automobile was a ... Read More

A Study of Polymers (1524 words, 2 pages)

INTRODUCTION In today s world, life without plastics is incomprehensible. Whether you are aware of it or not, plastics have become a familiar part of our lives, where these organic polymeric materials play a vital role in the modern society. Plastics versatility allows it to be used in everything from ... Read More

An Analysis of the Small Structure Embedded in the Cytoplasm (304 words, 1 pages)

BIOLOGY 2 1. ORAGANELLES2. TYPES OF CELLS3. OSMOSIS DIFFUSION4. CELL THEORY 1. ORGANELLES small structures embedded in the cytoplasm e.g. plastids, vacuoles, mitochondria, lysosomes, centrosomes, endoplasmic reticulum (e.r.) 2. TYPES OF CELLS A. Prokaryotic Cells 3.5 billion yrs old 1st organisms to exist in the biosphere a. Kingdom Eubacteria pathogenic ... Read More

An Essay on Human Biology: Aging (1333 words, 2 pages)

Human Biology Final ProjectTopic AGINGApril 27, 1999 The time-related changes in the anatomy and physiology of the individual is known as biological aging. Human aging is an ongoing thing. It begins at conception, speeds up, and is then most noticeable in late middle age. A number of changes occur starting ... Read More

The Early Life of Theodore Roosevelt (278 words, 1 pages)

THE LEADER IN YOU Theodore Roosevelt s children adored him, and they had good reason to. An old friend came to Roosevelt one day in distress. His young son had left home and gone to live on his own. The boy was wild. He was this and he was that. ... Read More

Mankind and Space Exploration (934 words, 2 pages)

Since the beginning of time, man has been fascinated with the stars and sky. From the time the first man took his first step on the moon, space exploration has been growing and expanding. More and more people are coming up with new ways on how to study the universe. ... Read More

A Biography of Richard P. Feynman a Theoretical Physicist (1090 words, 2 pages)

The person that I choose to present to you is Dr. Richard P. Feynman. In 1918, Richard Feynman was born in Far Rockaway, a small town on the sea in New York. He grew up in a typical family of the neighborhood - they weren't particularly well off. "Ritty", as ... Read More

The Science and Art of a Gas Bar Attendant (825 words, 1 pages)

"Fill her up? Check your oil sir? Would you like me to wash your window?"Depending on where you buy your gas, I'm sure that everyone has been asked these questions at one time or another. However is that all that a gas bar attendant does? Just stick the nozzle in ... Read More

An Essay on the Theory of Adult DNA Cloning (980 words, 2 pages)

The theory of adult DNA cloning is astoundingly simple one takes the nucleus of a cellfrom an adult, which contains the adult s genes (DNA), and transfers it into an egg in place of that egg s own nucleus. The egg, placed in a surrogate womb can now develop into ... Read More

An Essay on Cloning (458 words, 1 pages)

Cloning humans can be very beneficial. Although cloning has a low success rate, with more research and support, it can become very useful to our society. We will be able to clone people for adoption and clone organs for transplants that would save lives. We could also use research on ... Read More

A Study of the Ozone (915 words, 2 pages)

Ozone is an important molecule in maintaining the homeostasis in theenvironment. Ozone, the molecule O3, makes a layer in the stratosphere,situated 10 to 15 kilometers from the earth's surface. The dioxidemolecule, O2 and Oxygen atom O, collide with each other result in theformation of Ozone, O3. In this reaction, the ... Read More

The Life and Accomplishments of Antoine Laurent Lavoisier (464 words, 1 pages)

Antoine Laurent Lavoisier was many things including, at chemist, economists, and public servant. But he is most famous for his role in the discovery of oxygen and the role it plays in combustion. Lavoisier was born in Paris on August 26, 1743. He went to college at College des Quatre ... Read More

An Essay on the Process of Protein Synthesis (1602 words, 2 pages)

Protein SynthesisThe Expression of a Gene The process of Protein Synthesis involves many parts of the cell. Unlike other similar productions, this process is very complex and precise and therefore must be done in proper sequence to work effectively. The slightest error during this process could cause the action to ... Read More

An Analysis of Human Nature as the Extent To Which It Directly Effects Our Behavior (1399 words, 2 pages)

Human nature, and the extent to which it directly effects our behaviour, is a source of intense controversy. This is reflected in the debate regarding the aggressive nature of humans and the degree to which they are inherently aggressive. However, studies indicate that humans are inherently aggressive and that our ... Read More

An Analysis of the International Space Station (738 words, 1 pages)

The International Space Station will be the size of a city block and one of the brightest objects in the sky. The work and expense will be shared by 16 nations it will be dangerous and expensive. This is the largest peacetime engineering project in history. The international space station ... Read More

An Analysis of the Could Icy Moons of Giants Planets (885 words, 1 pages)

Could icy moons of giant planets, such as Europa and Callisto, provide possible habitable environments for living organisms? Until such task is actually accomplished, scientists and researchers all over our world will forever be trying to find life in other parts of both our galaxy, and the Universe. Such fascination ... Read More

A Study of Jupiter’s Galilean Satellites: Europa and Callisto (884 words, 1 pages)

Could icy moons of giant planets, such as Europa and Callisto, provide possible habitable environments for living organisms? Until such task is actually accomplished, scientists and researchers all over our world will forever be trying to find life in other parts of both our galaxy, and the Universe. Such fascination ... Read More

An Analysis of Tornadoes Travel (462 words, 1 pages)

1.Tornadoes travel at an average of 45 mph with a diameter between 150 and 600 meters and maximum wind speeds up to 600 kmhr. Middle latitude cyclones can span across a continent and usually require 2-4 days to cross a region. Hurricanes range in speed from 119 kmhr to sometimes ... Read More

An Essay on the Future (1641 words, 2 pages)

The Future Many time periods have been interesting to those who were living in them. Things aren t going to change overnight, even if they change rapidly. Some issues are enormous, fundamental and long-term, such as male dominance, social victimization, or urban sprawl. Meanwhile other critical issues play a smaller ... Read More

An Analysis of the Article on Mr. Alexander Nitkitin (1030 words, 2 pages)

Recently I read a very interesting article on Russia's decaying Northern Fleet. The article was editorial in the New York Times. The information in the article was about Mr. Alexander Nitkitin. Mr. Nitkitin was an engineer on a nuclear submarine in the Soviet Union's Northern Fleet and a nuclear safety ... Read More

A Description of Tornadoes as a Local Storms of High-Speed, Rotating Winds (872 words, 1 pages)

Tornadoes are local storms of high-speed, rotating winds (Brown Brown 219). They are strong windstorms that occur mostly in the central and southern U.S. during the spring and early summer. Tornadoes are formed when warmer, lighter air from the south gets trapped below heavier, colder air from the north. When ... Read More

A Study on Hurricanes (934 words, 2 pages)

Hurricanes By John Cusumano HURRICANES Of all of natures forces that exist hurricanes could be considered one of the most powerful of all these forces that can cause tremendous amounts of destruction is such a little amount of time. A hurricane is a powerful whirling storm of winds that measure ... Read More

A Biography of Galileo Galilei (391 words, 1 pages)

v A Florentine philosopher, physicist, and inventor. This is a lot of work to do in one life time. Galileo Galilei did all that and even more. He is most commonly remembered for his condemnation by the Holy Office as a result of his attempting to prove the Copernican theory ... Read More

The Four Stages of a Successful Hydrologic Cycle (811 words, 1 pages)

There are four stages that are needed to have a successful hydrologic cycle they are precipitation, evaporation, run off, and infiltration. Now Mother Nature has very delicately monitored these four stages ever since the earth was created. The delicate balance of water being put into and taken out of the ... Read More

An Analysis of a Sight That Brings Out Pity to Almost Any Human Being (1058 words, 2 pages)

An old, sick beggar. A sight that brings out the pity in almost any human being. How can it not? A beggar who does not have enough food to eat, no shelter against the rain clothes that are not warm enough. All these things are enough to drive someone crazy. ... Read More

The Life And Career of Nostradamus (2054 words, 3 pages)

NOSTRADAMUS (1503-1566) Nostradamus was a French physician and astrologer who wrote Centuries, a famous collection of prophecies published in 1555. The prophecies in Centuries appear in four-line rhyming verses called quatrains. In vague language, they describe events from the mid-1500s through the end of the world, which is predicted to ... Read More

A Description and Narrative of the Different Inventions in the 1920s (803 words, 1 pages)

Inventions of the 1920 s The 1920 s was a decade full of new and fascinating innovations andcreations. It was also a very busy time for improving inventions created justbefore the 1920 s. These new inventions changed life in a drastic way foreveryone back then as well as for the ... Read More

A Review of the Inventions of the 1920s (803 words, 1 pages)

Inventions of the 1920 s The 1920 s was a decade full of new and fascinating innovations andcreations. It was also a very busy time for improving inventions created justbefore the 1920 s. These new inventions changed life in a drastic way foreveryone back then as well as for the ... Read More

The Historical Development of the Atomic Structure (1215 words, 2 pages)

Historical Development of Atomic Structure The idea behind the "atom" goes back to the Ancient Greek society, where scientists believed that all matter was made of smaller, more fundamental particles called elements. They called these particles atoms, meaning "not divisible." Then came the chemists and physicists of the 16th and ... Read More

Biology Essay Examples