Natural Sciences Essay Examples and Topics. Page 7

2,306 samples

The Age and Growth of Cod (Gadus Morhua)

The Atlantic Cod occurs throughout the colder and the deeper regions of the Northern Atlantic, starting from Greenland to North Carolina and Scandinavia.
  • Subjects: Biology
  • Pages: 12
  • Words: 3373

East Asian History: Japan and Korea

The national culture is considered to be formed under the influence of specific natural and climatic conditions, in the context of a unique cultural and historical development, and under the influence of various religions and [...]
  • Subjects: Countries Studies
  • Pages: 2
  • Words: 716

New York vs. Dhaka City: Comparative Analysis

Dhaka is the capital of the country Bangladesh and a famous city in South Asia, but New York is one of the most popular cities in the world, although not the capital.
  • Subjects: Countries Studies
  • Pages: 1
  • Words: 301

Cuban Counterpoint: Tobacco and Sugar

The scientist considered the primary task of studying the culture of Cuba from the inside, being a part of it, and focusing on the dynamics of complex processes of cultural interaction.
  • Subjects: Countries Studies
  • Pages: 3
  • Words: 825

Qin Shi Huang: The Big Dig

The story of the Tomb of Qin Shi Huang begins in 1974 when farmers from Xi'an dug into one of the fascinating excavations of the 20th century.
  • Subjects: Archeology
  • Pages: 4
  • Words: 1116

Understanding the Hand Anatomy

The excellent functionality of the different parts of the body, including the hand, thigh, neck, girdle, pectoral, and legs, are critical for the normal functioning of a human being.
  • Subjects: Biology
  • Pages: 4
  • Words: 1226

The History of European Alchemy

The birth of this concept was found through the merger of the philosophies of Aristotle with Christian theology and for centuries predominantly found in Europe of the middle Ages and Renaissance.
  • Subjects: Chemistry
  • Pages: 20
  • Words: 5823

Development of Cities: Factors of Growth

At the same time, the most widespread and constant causes of urbanization are connected with commercial activity and the availability of natural resources.
  • Subjects: Countries Studies
  • Pages: 1
  • Words: 305

Cultural Anthropology, Gender and Kinship

Gender is the cultural construction of whether one is female, male, or something else. Gender stratification is the unequal distribution of social value by gender.
  • Subjects: Anthropology
  • Pages: 4
  • Words: 1125

Massive Leak of Liquified Chlorine Gas

Small quantities of chlorine can reach the threshold of acute poisoning within a very short time, thereby leading to casualties.
  • Subjects: Chemistry
  • Pages: 19
  • Words: 2169

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

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

Sugar Results: Experiment on Chocolate

When the concentration of glucose was high, the color and odor of the reaction mixture were darker and more intense, respectively, due to a larger amount of products formed.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 434

Humoral Medicine in Latin America

It was founded by the Roman and Greek physicians who said that if the human body experienced a deficiency of the four major body fluids, the health and temperament of a person would deteriorate. The [...]
  • Subjects: Anthropology
  • Pages: 2
  • Words: 581

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

Analysis of the Brine Shrimp

The Brine shrimp, which is also known as the Sea monkey, has been used in the modern world as food for fish and is of high quality because it can be grown using the aquaculture [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 811

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

The Genus Rosa’s Adaptation to the Environment

Alternative hypothesis: The abundance and distribution of stomata, storage, transport, and floral structures have a substantial influence on the adaptation of the genus Rosa to its environment.
  • Subjects: Biology
  • Pages: 4
  • Words: 1144

Pesticides’ Effects on Rivers and Streams

Once the pesticides are in the water, they affect aquatic life and the entire organisms in the food chain. Water is a basic need for all living organisms, and the harmful effects of pesticides in [...]
  • Subjects: Chemistry
  • Pages: 9
  • Words: 2528

Plasma Discharge and its Examples

Here, Chang, Lawless and Yamamoto argue that plasma is the fourth state of matter, which occupies 99% of the universe and consists of particles known as ions, neutrons, and neutrals, which exist in a gaseous [...]
  • Subjects: Chemistry
  • Pages: 10
  • Words: 2752

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

Evolution of Makkah as a City

The first pattern is a central business district, in this pattern the shape has been affected by the natural topography of the city of Makkah.
  • Subjects: Countries Studies
  • Pages: 5
  • Words: 1308

T Cells: Definition and Functions

The na ve T cells in the secondary lymphoid; when they encounter an antigen presented on MHC of dendritic cells, they differentiate and proliferate into effector T cells, CD8 or CD4 T cells depending on [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 1002

Cloning of Plants at the Botanic Garden

Cloning is now considered to be an efficient means to grow plants in being the result of vegetative propagation while seeds are the result of the natural reproductive phenomenon of plants.
  • Subjects: Biology
  • Pages: 2
  • Words: 580

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

Ethnographic Design: Types

The investigator is required to define the characteristics of the society under study. Abalos, argues that "critical ethnographic studies are a type of ethnographic research in which the author is interested in advocating for the [...]
  • Subjects: Anthropology
  • Pages: 4
  • Words: 1080

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

Desalination in the UAE

Therefore, the UAE Security Strategy 2036 promotes the idea of the creation of desalination plants as one of the dominant technologies in the UAE.
  • 5
  • Subjects: Agriculture
  • Pages: 3
  • Words: 871

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

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

Dendrochronology and Tree-Ring Studies in Archaeology

The majority of general factors that avoid the use of dendrochronological dating include: An insufficient quantity of rings, the existence of a group inappropriate for dating through dendrochronology, the lack of convincing indication of chronologies [...]
  • Subjects: Archeology
  • Pages: 11
  • Words: 2661

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

Rome as a Significant City in the World

Rome is the capital city of Italy and the most populated city in Italy. The city is located in the middle of the Italian Peninsula along the Tiber River.
  • Subjects: Countries Studies
  • Pages: 8
  • Words: 2099

Vitamin A: Description and Usage

Vitamin A found in fruits and vegetable is referred to as Provitamin A carotenoids, these vitamins A are converted into retinol in the body where one molecule of beta carotene produces two molecule of Vitamin [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 509

A Peptic Ulcer: Medical Analysis

It occurs as a result of distorting in the acidic environment of the stomach when the wall lining of the stomach or duodenum erodes due to an increase in gastric acid; this triggers the development [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 1185

Introduction to Microbiology: Escherichia Coli

This type of E.coli is included in a class of dangerous E.coli, called enterohemorrhagic.E.coli O157:H7 was discovered in 1982, during a severe outbreak of bloody diarrhea, associated with the consumption of contaminated hamburgers. The hemolytic [...]
  • Subjects: Biology
  • Pages: 8
  • Words: 2465

Nuclear Magnetic Resonance Spectroscopy

Although the use of proton NMR has been applied for the determination of trace components such as the residual hydrogen in D2 O, the mixtures of dinitrotoluene, and the mixtures of drugs, its great merits [...]
  • Subjects: Chemistry
  • Pages: 13
  • Words: 3653

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

Sichuan’s Role in China’s Overall Development

Today, Sichuan is one of the main industrial bases in China. There are heavy and light industries, all contributing to the industrial output of Sichuan and China in general.
  • Subjects: Geography
  • Pages: 6
  • Words: 1488

Nanofabrication. Bottom-Up vs. Top-Down Method

Some of the chemical processes used in the bottom-up approach include sol-gel process, the reaction of molecules in a flask, reverse microemulsion and flame synthesis, which have been used to make silica nanoparticles, nanozeolite, nanocatalysts [...]
  • Subjects: Chemistry
  • Pages: 2
  • Words: 606

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

Mountains Characteristics

The smallest mountains are below one thousand kilometers, the medium mountains have a relative height of one or 2 kilometers and up to 3, and there are the highest mountains which are greater than 2 [...]
  • Subjects: Geography
  • Pages: 2
  • Words: 357

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

The Volcano and Aurora in Iceland

In other words, the volcano Hekla was erupting from the surface of the earth while the natural light was shining from the sky.
  • Subjects: Geography
  • Pages: 2
  • Words: 551

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

Geography, Mapping, and Cartography

Geography can be defined as the science that studies the distribution of human and physical features over the Earth and explains the relations between them.
  • Subjects: Geography
  • Pages: 3
  • Words: 828

Cellular Solids: Structure and Properties

According to Gibson and Ashby [8], the material in question can be seen in nature, for instance, wood or sponges are examples of cellular solids.
  • Subjects: Biology
  • Pages: 3
  • Words: 927

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

Archaeological Evidence Perceptions: Early Civilizations

Finally, sites are the last category of excavated evidence and refer to complete sets of all the above-mentioned archaeological objects, the analysis of which defines the nature of a place and the quality of life [...]
  • Subjects: Archeology
  • Pages: 10
  • Words: 2782

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

Hip Dysplasia and Canine Parvovirus in Dogs

In the case of the inhabited hip dysplasia, the disease is related to genetic changes. In most cases, it is the combination of two causes that leads to hip dysplasia.
  • Subjects: Zoology
  • Pages: 6
  • Words: 1685

Jethro Tull as a Change Agent in the Agriculture

First, he told his people to be more exact and throw seeds to the whole, but his commands were ignored. In order to prove the effectiveness of his methods, he did not use manure for [...]
  • Subjects: Agriculture
  • Pages: 2
  • Words: 561

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

Strada, an Ideal Country and Its Features

This paper also outlines the need for a sound governance structure that premises on the principles of justice and mercy and a respect for religious diversity, as the tenets for a reliable social framework to [...]
  • Subjects: Countries Studies
  • Pages: 10
  • Words: 2852

Soil Erosion, Its Factors and Preventive Measures

Soil is the sediment, surface layer of land produced as a result of transformations in rock materials that occurred under the influence of both living and dead organisms including plants, animals, and bacteria; solar heat, [...]
  • Subjects: Agriculture
  • Pages: 3
  • Words: 886

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

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

Organic Farming for Sustainable Food Production

The article is titled "Will Organic Agriculture Feed the World," and it provides its readers with an overview of the statistics that apply to the sustainability of organic farming.
  • Subjects: Agriculture
  • Pages: 6
  • Words: 1153

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

The Botanical Garden Collection

The characteristic of the principles of organization of the New York Botanical Garden should be started from the statement of its mission which is expressed as "being an advocate for the plant kingdom".
  • Subjects: Agriculture
  • Pages: 2
  • Words: 575

Easter Island Natural Resources Overutilization

The drastic decline in the population of people in the Island relates closely to the over-exploitation and overutilization of the natural resources of the island.
  • Subjects: Geography
  • Pages: 2
  • Words: 734

Data Collection of Major League Baseball

The fact that the total population of the players in the Major League Baseball is relatively large made the researcher choose the sampling method to determine the salary that a player should earn.
  • 5
  • Pages: 2
  • Words: 540

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

Telescope and Microscope Discovery Combo

The paper will look into the history of the discoveries and their effects in the development of the human well beings as well as the enhancement of the human understanding of the surrounding nature in [...]
  • Subjects: Biology
  • Pages: 7
  • Words: 1932

Geelong Botanic Garden’s Ecosystem

Evidently, the species curve shows that the species of plants in the Geelong botanic garden increases with the increase in the area of the quadrat.
  • Subjects: Biology
  • Pages: 11
  • Words: 2829

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

Evolution of Predator and Prey Pairings

Given the fact that prey and predator pairings threatens the survival of the prey there are other external factors that contribute to the elimination of the prey species.
  • 5
  • Subjects: Biology
  • Pages: 2
  • Words: 580

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

Cities in Post-modern Era

The characteristic of the post-modern cities have put emphasis on the commercialization and business orientation and in this case resulting in de-materializing the economy and the lives of the people while emphasizing on the economic [...]
  • Subjects: Geography
  • Pages: 7
  • Words: 1926

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

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 Major Subfields of Anthropology

The adaptation of human beings in the diverse nature of environments in different regions is one of the most significant fields in this branch of anthropology.
  • Subjects: Anthropology
  • Pages: 3
  • Words: 804

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

“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

The Behavior of Wolves

As a result, some of the wolves have decided to be loners despite of their territorial behavior for fear of attacks.
  • Subjects: Zoology
  • Pages: 5
  • Words: 1491

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

Retired Showhorse Health and Arthritis Management

During the given transitional life stage, a lessened activity can cause changes to the horse's coat. The organization highlights the standards and norms for managing a retired horse's health.
  • Subjects: Zoology
  • Pages: 7
  • Words: 1889