Natural Sciences Essay Examples and Topics. Page 5

2,289 samples

Senegal’s Population and Migration Profile

As per current projections, the population of Senegal is projected to increase for the remainder of the century. Roughly 42% of the population of Senegal lives in the rural area.
  • Subjects: Countries Studies
  • Pages: 6
  • Words: 1675

Amperometry: Chemical Analysis

First of all, it should be recalled that the use of electrochemical methods in quantitative analysis is based on the use of dependencies of measured parameters of electrochemical processes on the content or concentration of [...]
  • Subjects: Chemistry
  • Pages: 13
  • Words: 3681

North Africa/Southwest Asia (NASWA)

Water is the major problem in this region, and this explains why there is high concentration of human population in areas that lie next to water catchments areas.
  • Subjects: Geography
  • Pages: 4
  • Words: 1099

Electrochemical Methods of Analysis

The choice of method is determined by the chemical compound to be analyzed, the time available, the level of accuracy needed and the available time.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 632

Kleiner-Perkins and Genentech: Capital Met Science

The case setting is in the field of biotechnology and the main stakeholders were the founders Robert Swanson and Herbert Boyer who did not have the financial capabilities to establish the project.
  • Subjects: Genetics
  • Pages: 3
  • Words: 957

Measuring the Salt Tolerance of Plants

The variety of crops grown and the need for agricultural measures for soil moisture and irrigation depend on the arable land belonging to a particular category.
  • Subjects: Biology
  • Pages: 8
  • Words: 2504

Effect of pH on Protein Solubility

The volume of the mixture was made to 200 mL in a measuring cylinder. The concentration of the protein in the supernatant was determined using a biuret reagent.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 660

Cell Counting and Measurement Under Magnification

The aim of this exercise is in the measurement and recording of the size of cells and tissues. Insert the eyepiece graticule into the eyepiece and then reattach the base of the eyepiece to the [...]
  • Subjects: Biology
  • Pages: 5
  • Words: 1641

Archaea and Bacteria Prokaryotes Dichotomous Keys

Most members of this phylum which are pathogenic to humans are obligate pathogens that are mostly intracellular. They are divided depending on the mode of respiration, fermentation rate, temperatures in which they thrive and shape.
  • Subjects: Biology
  • Pages: 2
  • Words: 327

Botany: The Beavertail Cactus

Phylum Angiospermae is known to dominate the land because it consists of the highest number of species in the kingdom Plantae. Beavertail cactus exhibits several structural modifications in the leaves, stems, roots and flowers.
  • Subjects: Biology
  • Pages: 2
  • Words: 568

Flash Chromatography Overview and Analysis

Pour the elution solvent to the silica gel then, using a gas pump, force the solvent through the silica. Without disturbing silica's top surface, the dissolved sample in the elution solvent is then gently applied [...]
  • Subjects: Chemistry
  • Pages: 2
  • Words: 607

Strontium: Physical and Chemical Properties

The rest are artificial isotopes and, are a consequence of radioactivity. The table below shows a summary of the radiological properties of strontium isotopes.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 865

The Physical and Chemical Properties of Water

Considering the structure in the figure above, it is evident that a molecule of water has a line of symmetry that can be traced through the water molecule, acting as a bisector of the angle [...]
  • Subjects: Chemistry
  • Pages: 2
  • Words: 572

Biology: Photosynthesis and Respiration

In this process molecules of carbon dioxide gas and water are combined in the presence of the solar energy and chemical energy is formed.
  • Subjects: Biology
  • Pages: 2
  • Words: 849

Sex Determination in Amphibians

Precisely, the dissimilarity between the sex chromosomes entails the sizes of the chromosomes, the patterns of binding, the centrometric index, the heterochromatin characterization as well as the transcription loops of lampbrush chromosomes.
  • Subjects: Biology
  • Pages: 3
  • Words: 908

Environmental Microbiology Overview

When managed properly in accordance with the five principles of good management, they provide a number of benefits that include: Detoxification of wastewater Capturing renewable resources such as energy and water Sensing pathogens in the [...]
  • Subjects: Biology
  • Pages: 12
  • Words: 3298

The Digestive System in the Human Body

The stomach is an organ of digestion located between the esophagus and the duodenum on the left upper part of the abdominal cavity. The large intestines of the human body are located between the ileocecal [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 613

Fatty Liver and Gastrointestinal Tract Disease in Dogs

This research paper analyzes the knowledge surrounding the issue of hepatic steatosis in dogs and reveals a dearth of knowledge pertaining to the disease's impact on dogs' gastrointestinal tract.
  • Subjects: Zoology
  • Pages: 5
  • Words: 1447

Ancient Chinese Inventions and Contributions

In spite of this stereotype, China is the Motherland of many inventions of the past. Gunpowder is one of the most significant and well-known inventions of ancient China.
  • Subjects: Countries Studies
  • Pages: 3
  • Words: 846

Power Distance in Venezuela

Given the recent political protests in Venezuela, the research of the extent to which the power distance could be maintained and respected could be a valuable addition to cultural studies.
  • Subjects: Countries Studies
  • Pages: 1
  • Words: 303

Study of Earth Systems

Again, in the hydrological cycle, evaporation from the hydrosphere and evaporation through transpiration from the biosphere in the lithosphere leads to the formation of clouds that return to the lithosphere through precipitation The synergies created [...]
  • Subjects: Geography
  • Pages: 2
  • Words: 616

Soil Properties: Laboratory Analysis

This is because the characteristics of the soil where the pit was located indicated that the soil was clay type of soil which is usually not suitable for agriculture unless some specific measures are taken [...]
  • Subjects: Agriculture
  • Pages: 2
  • Words: 663

Characteristics of Adult Development

The development entails the changes that are experienced at the various levels of growth from childhood to adulthood. Another influence is the socioeconomic status of an individual.
  • Subjects: Biology
  • Pages: 4
  • Words: 1311

Band versus Tribal Society: Anthropological Contrast

A band society or a band is one of the simplest patterns of human society organization. The oldest member of the band is considered to be the leader and the "governor" possessing the right for [...]
  • Subjects: Anthropology
  • Pages: 2
  • Words: 535

The Maps’ Importance in Human History

In fact Akerman praises the American road map of the twentieth century to be one of the greatest inventions at the benefit of the public.
  • Subjects: Geography
  • Pages: 2
  • Words: 566

Anthropology. Nature Versus Culture Debate

This stimulation can only be found in the environment and therefore the brain is able to take up so much from the environment that is the culture of the people.
  • 1
  • Subjects: Anthropology
  • Pages: 6
  • Words: 1662

Richard Hayes: Supersize Your Child

But the guidelines must not be so restrictive as to stand in the way of what science is a never-ending quest.
  • Subjects: Evolution of Humans
  • Pages: 4
  • Words: 1210

Museum “Sex of Animals” Exhibition

The museum has writings on the wall, and videos that show the animals in sexual acts. Same-sex sexual behavior in some of the animals led to a rethinking of same-sex sexual behavior in human beings.
  • Subjects: Zoology
  • Pages: 4
  • Words: 1086

Prions as Novel Infectious Agent

The most common TSE diseases include the Mad Cow Disease in cattle, Scrapie in sheep, and Chronic Wasting Disease in deer, elk, and moose."Different regions of the brain are affected by different prions".
  • Subjects: Biology
  • Pages: 5
  • Words: 1435

Medical Anthropologists in Singer and Baer’s View

I think that if there is some unreasonable rule of behavior in contemporary society, the best way to implement a change that will be ethical and culturally accepted is through communication.
  • Subjects: Anthropology
  • Pages: 1
  • Words: 339

Medical Anthropology for Solving Health Problems

In Singer and Baer's book, anthropology is viewed as a critical component of the medical sphere, helping to define reasons for a person's health or non-health problems.
  • Subjects: Anthropology
  • Pages: 1
  • Words: 289

Dairy Cattle’s Integumentary System

The purpose of this paper is to explain the physiological function of the integumentary system of dairy cattle and its impact on housing.
  • Subjects: Zoology
  • Pages: 5
  • Words: 1406

Demographics: East Side Ward of Newark, New Jersey

The city of Newark, New Jersey, is the largest city in the state, although it is not the state capital. Currently, as stated above, the majority of the city's population is black, with the following [...]
  • Subjects: Geography
  • Pages: 2
  • Words: 582

The Pinacol Rearrangement Organic Reaction

The first objective of the experiment was to demonstrate how pinacol undergoes rearrangement to form pinacolone under the catalysis of heat, acid, and boiling chips.
  • Subjects: Chemistry
  • Pages: 5
  • Words: 1660

Seed Germination Experiment: Results and Discussion

The results indicated that the number of germinated seeds differed according to the concentration of solutions. 0625M CaCl2 germinated quickly on the second day and attained the mean of about 10 germinated seeds on [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 967

Food, Customers, and Culture in the Grocery Store

There also were many alcoholic drinks, and the section with beer was among the largest; lemonades, juices, and smoothies were also present. Both the store labels and the food labels quite often stressed the low [...]
  • Subjects: Anthropology
  • Pages: 4
  • Words: 1211

Common Characteristics of Developing Countries

Indeed, this is evident from the high number of slums and informal settlements within these nations. This is because the environment is the main source of food and other crucial resources.
  • Subjects: Countries Studies
  • Pages: 5
  • Words: 1355

Michael Smith: Nobel Prize-Winning Biochemist

In the late 1980s, he helped found the Biotechnology Laboratory located at the University of British Columbia. Since he was a firm believer in genomic research, he accepted the appointment by Victor Ling to become [...]
  • Subjects: Genetics
  • Pages: 1
  • Words: 278

“On the Origin of Species” by Charles Darwin

However, an intense conflict over religious morality and the development of professionalism in science have led to the possibility of the evolvement of such revolutionary theories as the ones proposed by Darwin in On the [...]
  • Subjects: Evolution of Humans
  • Pages: 3
  • Words: 834

Impact of Antibiotics on Farm Animals

One of the primary reasons for this condition in people is the use of antibiotics in farming. However, the use of antibiotics is associated with the occurrence of antibiotic resistance in people.
  • Subjects: Agriculture
  • Pages: 3
  • Words: 708

Gekkonidae: Biological Characteristics

A comprehensive description of the family peculiarities started with the analysis of general characteristics of lizards and the features they obtained throughout the evolution.
  • Subjects: Biology
  • Pages: 4
  • Words: 1121

The Intelligence of Human and Non-Human Animals

After assessing the evidence, it is argued that if the language is understood as a structured system of signs that is used conventionally in order to communicate meaning, then it is possible to state that [...]
  • 5
  • Subjects: Zoology
  • Pages: 6
  • Words: 1710

The Reasons for the Four Seasons on Earth

However, in reality, the distance from the Earth to the Sun does not change because the orbit is almost a perfect circle with the smallest difference of two percent between the closest and the farthest [...]
  • Subjects: Geography
  • Pages: 3
  • Words: 823

Cesar Millan as a Famous Dog Behaviorist

Millan earned the nickname "the dog boy" because of his natural ability to interact with dogs. Consequently, the dog behaviorist became a celebrity in different parts of the country.
  • Subjects: Zoology
  • Pages: 6
  • Words: 1662

Middle Eastern Geography and Culture

The Arabs and most of the population living in the Middle Eastern region of the world are perceived to be people who are hardened due to their environment. In addition to that, the environment determines [...]
  • Subjects: Geography
  • Pages: 3
  • Words: 826

Bhutan’s History, Geography, Politics, and Economy

In the 1616 CE period, the arrival of the Tibetan Lama fostered the introduction of the dual system of secular and religious government that is still practiced up to date in Bhutan.
  • Subjects: Countries Studies
  • Pages: 17
  • Words: 3023

Map Making History and Development

Globalization has made the world interconnected at a level that was unprecedented in the past resulting in people thinking of the world and the various countries and societies within it in a way that is [...]
  • Subjects: Geography
  • Pages: 10
  • Words: 2744

Controversies on Darwin’s Theory of Evolution

Although there are many theories which explain the origin of the earth, Darwin's theory evokes strong responses due to the fact that it opposes religion and it does not meet all the requirements of a [...]
  • Subjects: Evolution of Humans
  • Pages: 3
  • Words: 967

Nature versus Nurture: the Simple Contrast

In the context of this essay, nature signifies the effect of genes in the DNA structure that are transferable from a parent to the offspring.
  • Subjects: Evolution of Humans
  • Pages: 4
  • Words: 1109

Secrets for Japan’s Success

The employees have a deep sense of running their systems in an orderly manner and it is not common for the Japanese to move between jobs as is the case in the US and Europe.
  • Subjects: Countries Studies
  • Pages: 2
  • Words: 617

The Dead Sea Geochemical History

Globally, the most saline location is found on the water surfaces and shores of the Dead Sea. On the other hand, the pattern of fluctuation in temperature and salinity in the Arctic Ocean is complex.
  • Subjects: Geography
  • Pages: 2
  • Words: 572

Growing Pumpkins: Here’s What You Need to Know

One way of keeping the leaves dry is by ensuring that the pumpkins are watered early in the morning to give them sufficient time to dry during the day. Microbes found in the soil contribute [...]
  • Subjects: Agriculture
  • Pages: 2
  • Words: 744

Hydroponics in Agriculture

These different setups have the same idea of hydroponics growing but the difference comes in the type of medium used in the growing and the state of the nutrient solution.
  • 2
  • Subjects: Agriculture
  • Pages: 16
  • Words: 4693

Medical Anthropology

An analysis of the power relations affecting biomedicine addresses questions such as who has the power over agencies of biomedicine, how and in what forms power is to be delegated, how the power is to [...]
  • 1
  • Subjects: Anthropology
  • Pages: 12
  • Words: 3322

World Regional Geography: North America

Moreover, the harsh climatic conditions of the North are the reasons why the South dwarfs the North in population density. The spatial population distribution of North America is related to the physiographic pattern of the [...]
  • Subjects: Geography
  • Pages: 5
  • Words: 609

The Hydrologic Cycle and Water on Earth

The amount of water molecules in the earth is constant although the motion of water is continuous. It flows along the eastern of the Japanese coast, bends towards the east, and completes the loop as [...]
  • Subjects: Geography
  • Pages: 3
  • Words: 900

Geography of Sexuality and Space

Another reason for the insignificance of the geography of sexuality is due to the fact that the current society seems to be mainly structured by sexuality.
  • Subjects: Countries Studies
  • Pages: 10
  • Words: 3078

History Of Biotechnology

In the course of the First World War, the processes of fermentation were set up in order to carry out production of acetone from the solvents of paints as well as starch to be used [...]
  • Subjects: Biology
  • Pages: 7
  • Words: 1908

A Time Capsule from The 1960s

From the outlook, the simplicity of the watch suggested that it was stored at the time when this kind of electronic device was innovated.
  • Subjects: Archeology
  • Pages: 5
  • Words: 1381

History of Deforestation

Alternatively, they would cut vital elements of the tree in order to cause the upper part of the tree to fall off gradually. The birth of the naval store affected the pattern of deforestation in [...]
  • Subjects: Agriculture
  • Pages: 7
  • Words: 2038

National Geographic Travelers Magazine analysis

The other related publication and electronic media by the same publisher include the National Geographic Kids, National Geographic Adventure and the National Expedition.
  • Subjects: Geography
  • Pages: 2
  • Words: 653

Julian Orr’s Talking About Machines

The reader can consider the analysis of an individual who knows the insights of the workplace and the group in question.
  • Subjects: Anthropology
  • Pages: 5
  • Words: 1353

Culture of Nacirema People

It is important to note that to the Nacirema people, magic is part of life. It is ironical that the Nacirema people have not learnt that their rituals are not that effective as they think.
  • Subjects: Anthropology
  • Pages: 3
  • Words: 813

Australopithecus Africanus Characteristics and Facts

This paper seeks to describe Australopithecus africanus according to: the origins or where the fossils were discovered; identify the range of places they are located on the map; identify the individual who discovered them; the [...]
  • Subjects: Anthropology
  • Pages: 4
  • Words: 1142

Farming and Animal Consumption

In essence, debate on farming methods and animal consumption has been a challenge not only to farmers but also to the society. It is, therefore, necessary to consider that numerous changes would be required to [...]
  • 1
  • Subjects: Agriculture
  • Pages: 7
  • Words: 1931

Utilitarianism as a Teleological Theory

Therefore, in the interest of maximizing happiness for both parties, human beings are supposed to be vegetarians and animals are supposed to enjoy their freedom as animals.
  • Subjects: Anthropology
  • Pages: 3
  • Words: 816

Body Modification: Past and Present

Types of Body Modification The term 'body modification' refers to several methods of body transformation which include piercing, tattooing, branding, cutting, binding and inserting implants to alter the appearance and shape the body.
  • Subjects: Anthropology
  • Pages: 5
  • Words: 1419

Super Weeds’s Advantages and Disadvantages

Farmers have adopted the use of both the herbicide and the herbicide resistant crop in large percentages. One of the largest varieties is pigweed which grows at a rapid rate and leads to the emergence [...]
  • Subjects: Genetics
  • Pages: 5
  • Words: 1404

The Effect of Inhibitors and Temperature on Enzyme Reactions

Enzymes are described as biological proteins which accelerate the rate of reaction of a chemical substance, while inhibitors are elements which reduce the speed of catalyzed reaction of enzyme through connecting into the enzyme and [...]
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1194

Paleontology and The Evolutionary Theory

However, it is important to note that Darwin's evolutionary theory caused a revolution in the field of paleontology and this was because the fossil record turned out to be the only available source of evidence [...]
  • Subjects: Archeology
  • Pages: 7
  • Words: 1901

Anthropology Mendel’s independent law of assortment

In this context, genes of parents determine the traits of an off spring. The diagram below shows an example of a backward cross to confirm the second law of Mendel using Yellow, round seeds F1.
  • Subjects: Genetics
  • Pages: 2
  • Words: 651

High Fructose Corn Syrup: Something to Be Avoided

However, it is important to keep in mind that the lifespan of the current generation is shorter, which is, no doubt, the result of the wrong diet that consists mostly of the food created artificially, [...]
  • Subjects: Agriculture
  • Pages: 4
  • Words: 1095

The Biological Basis of Sleep

The authors suggest that it needs more accurate measurement of sleep and wake pattern by the use of the electrooculogram, the recording of the movement of the eye, EEG and electromyogram, the recording of the [...]
  • 3
  • Subjects: Biology
  • Pages: 8
  • Words: 2220

“Skull Wars” by Thomas Hurst

According to prologue of the book 'Skull Wars Kennewick Man, Archaeology, and the Battle for Native American Identity, the author of the prologue mentions the intention of the whites or Caucasians to ascertain themselves as [...]
  • Subjects: Archeology
  • Pages: 7
  • Words: 1867

Mansfield Parkyn’s View of Africa

He was not concerned with the faults found in those lands but was captivated by the mannerisms and the values of the native people.
  • Subjects: Countries Studies
  • Pages: 16
  • Words: 4277

Falling in Love as Part of Natural Selection

Further, the science of love exhibits to us that falling in love is in fact ingrained in our physiological makeup and as a natural component of our being, we cannot help to fall in love [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 1085

Norway’s Geography and Economy

Demographics The majority of the population is the Germanic people, accounting for more than 45% of the population. In terms of monetary value, Norway is among the wealthiest countries in the world.
  • 5
  • Subjects: Geography
  • Pages: 8
  • Words: 2263

Chemical and Physical Properties of Ethane

The gas is used in the manufacture of ethane. The industry uses ethane to manufacture ethylene, which is a crucial resource in the manufacture of plastics and other chemical products.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 550

Anthropological Family Portrait

However I had a strong feeling that I needed more respondents, I settled on an uncle from my mother's side and an aunt from my father's side I felt that would offer more details and [...]
  • Subjects: Anthropology
  • Pages: 9
  • Words: 2362

Laboratory Techniques in DNA Manipulation

It includes the replication and production of numerous copies of the inserted DNA utilizing a vector, a DNA molecule capable of transporting foreign DNA, and a host organism.
  • Subjects: Genetics
  • Pages: 7
  • Words: 1202

Bacteriophages in Modern Science

The use of bacteriophages does not limit the use of other drugs and does not affect their effectiveness. It is one of the problems of preclinical studies in many animal models and clinical studies in [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 565

Genetic Testing: The Key Aspects

The emotional, social, or financial repercussions of the test results are a large portion of the hazards connected with genetic testing.
  • Subjects: Genetics
  • Pages: 2
  • Words: 647

Learning Biology in the Time of Virtual Education

Thus, the paper investigates the ways of learning biology in the age of social media and virtual education. The paper addressed the ways of learning biology in the age of social media and virtual education.
  • Subjects: Biology
  • Pages: 3
  • Words: 878

The Miller-Urey Experiment and Findings

The researchers note that their experiment was designed to mimic the primitive earth's atmosphere and not the ideal conditions required for the development of amino acids. At the experiment's conclusion, the solution in the flask [...]
  • Subjects: Chemistry
  • Pages: 3
  • Words: 906

Tokyo: Global Prominence and Significance

In order for Japan's capital to become a global place, the focus needs to shift toward the development of services and the expansion of economic activities beyond the geographical and business center.
  • Subjects: Countries Studies
  • Pages: 1
  • Words: 394