Natural Sciences Essay Examples and Topics. Page 4

2,272 samples

Vertical Stratification

Due to the differences in the terrestrial and aquatic environments, numerous contrasts between the two environments can be observed. Another major difference between the terrestrial and aquatic ecosystem is their level and ability to support [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 604

Native Land Claim in Canada

Following the resistance of the natives to the new regulations, the government of Canada embarked on vigorous reconsideration of the legal, political, and cultural aspects that governed the lives of Indians, Inuit and Metis.
  • Subjects: Anthropology
  • Pages: 8
  • Words: 2174

Pros and Cons of Use of Pesticides

Use of DDT and other pesticides may cause harm to the ecosystem if not well used and thus it is advisable to approach this issue with more precaution.
  • 5
  • Subjects: Biology
  • Pages: 2
  • Words: 581

Bangladesh Garment Industry

The reason for these situations is that the government and the industry focuses too much on the financial gain and the end result, without taking proper care of the people that make all the difference [...]
  • Subjects: Countries Studies
  • Pages: 4
  • Words: 1117

Introduction to the Nervous System

The PNS consists of the nerves that link the CNS to receptors and effectors in the body. The nerve cell The nerve cells play a critical role in the body system.
  • Subjects: Biology
  • Pages: 2
  • Words: 539

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

Whether or Not Human Cloning Should Be Allowed

One of the benefits of cloning is the fact that it is able to provide children to people with fertility problems. It is no wonder that the process of cloning cells to form embryos is [...]
  • 3
  • Subjects: Biology
  • Pages: 5
  • Words: 1350

Natural Selection: Darwin’s Theory of Evolution

It is commonly known by the phrase, "survival of the fittest", which means that only the species that have well adapted to their environment, is well suited to survive in that habitat.
  • Subjects: Evolution of Humans
  • Pages: 2
  • Words: 574

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

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

The Chemical Reaction of Methane and Oxygen Gases

The chemical compositions of the reacting elements or compounds dictate the nature of the reaction. The chemical reaction entails the combustion of methane gas in the presence of oxygen gas, which are the reactants.
  • Subjects: Chemistry
  • Pages: 1
  • Words: 318

Colombia’s History, Geography, and Culture

Colombia is located in the northwest corner of South America, bordered by Panama to the northwest, Venezuela to the east, Brazil to the south, and Ecuador and Peru to the west.
  • Subjects: Countries Studies
  • Pages: 2
  • Words: 653

Autoethnography of a Coffee Shop

As I began my observation, I felt excited to see whether I would see anything new since I am a frequent customer and usually pay attention to the details.
  • Subjects: Anthropology
  • Pages: 1
  • Words: 385

Summary of “The Omnivore’s Dilemma” by Pollan

People, as omnivores, have a wide array of eating options. Pollan analyzes the ecological and animal well-being impacts of various dietary choices in his 2006 book “The Omnivore’s Dilemma.” For example, the first chapter is titled “One Farmer, 129 Eaters,” in which George Naylor and his family have a farm in Iowa bought by his […]
  • Subjects: Agriculture
  • Pages: 2
  • Words: 679

Analysis of Lab: Heat of Fusion of Water

In this experiment, information was collected regarding the mass of the calorimeter and bowl, the mass of the empty calorimeter, the water, and the contents: all raw data are shown in Table 1.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 798

Operant and Respondent Conditioning

In respondent conditioning, the stimulus-response dynamic is unidirectional: the US, often not controlled by the organism, elicits a response, but the organism cannot produce a subsequent stimulus since responding does not affect the presentation of [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 953

Energy Balance and Expenditure

Energy density, which is typically expressed as the number of calories in a gram, is the quantity of energy or calories in a specific weight of food.
  • Subjects: Biology
  • Pages: 1
  • Words: 304

Squirrel Monkeys’ Structure and Behavior

The current paper aims to discuss the biological structure and behavior of squirrel monkeys based on the analysis of academic and popular literature and personal observations.
  • Subjects: Zoology
  • Pages: 2
  • Words: 655

Hominids and Stages of Human Evolution

Ardipithecus ramidus, Australopithecines, Homo habilis, Homo erectus, and Homo Neanderthal are stages of human evolution with distinct physical appearances and behavior. The molars and premolars of Homo habilis were comparatively smaller than Ardipithecus and Australopithecus.
  • Subjects: Evolution of Humans
  • Pages: 2
  • Words: 563

Planting Bamboo: The Role of Photosynthesis

Lastly, I think bamboo's photosynthetic exceptionalism is manifested in the fact that light is one of the most important factors of photosynthesis, as it is a source of the necessary radiant energy for biochemical processes.
  • 5
  • Subjects: Biology
  • Pages: 3
  • Words: 825

The Grand Canyon and Its Potential

Over time, the Grand Canyon became one of the symbols of the United States and the State of Arizona in particular.
  • Subjects: Geography
  • Pages: 2
  • Words: 572

Microbiology: Influenza Viruses

The virus uses the HA spikes on its envelope to attach to the sialic acid receptors on the epithelial cells. The HA spike proteins assist the virus in attaching to the lower respiratory tract epithelium.
  • Subjects: Biology
  • Pages: 1
  • Words: 384

A Lab Report for Microbiology Class

The main advantage of this microbiological method is the different concentrations of nutrients and oxygen at different levels of the depth of the beaker: this allows bacteria with different aerotolerant needs to grow.
  • Subjects: Biology
  • Pages: 2
  • Words: 576

Blood Cells and Their Functions

The function of red blood cells lies in carrying oxygen from the lung to the rest of the body. Such a shape allows them to increase the area of the surface, which, in turn, creates [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 567

Homeostasis and Regulation in the Human Body

The feedback loop essential components include the receptor, also known as a sensor, which detects changes in the body Remember that homeostasis is the ability of the body to maintain stable and balanced internal conditions.
  • Subjects: Biology
  • Pages: 3
  • Words: 827

Color Blindness and Its Genetic Nature

Nevertheless, color blindness genes may be carried by the non-color-blind female and transferred to future generations. Depending on the mutation, inherited color blindness may be congenital or may reveal itself in childhood or adulthood.
  • Subjects: Genetics
  • Pages: 1
  • Words: 294

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

Campania, Italy: Geographic Analysis

The region is in the southern parts of Italy. It covers an area of 13,590 km², borders Mediterranean sea to the west, and located in the renowned Italian peninsula.
  • Subjects: Geography
  • Pages: 9
  • Words: 745

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

Substitution Reactions of Alcohols: Practical Experimentation

The experiment aims to illustrate the way substitution reactions of alcohols transpire. In particular, the experiment aims to illustrate the way 1-butanol undergoes nucleophilic substitution reaction resulting in the formation of 1-bromobutane.
  • Subjects: Chemistry
  • Pages: 9
  • Words: 2290

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

The Concept of Selective Breeding

In order to carry out selective breeding, the breeder must first of all have a breeding stock with the desired qualities.
  • Subjects: Biology
  • Pages: 10
  • Words: 2724

“Regenesis” by George Church and Edward Regis

The ability to control living things has triggered a biotechnological revolution, which is only comparable to the changes that are witnessed in the information and communication technology.
  • Subjects: Biology
  • Pages: 5
  • Words: 1377

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

Aspects of Biology as a Subject

Understanding the causes of disease variations and using the information to improve the health of the population will be my main benefits I will offer to the society.
  • 1
  • Subjects: Biology
  • Pages: 2
  • Words: 694

Hydrogen – The Lonely One

My name is Hydrogen, and my name is usually denoted by the letter 'H.' I am the first born in a family of seven and our family name is Group 1. Due to my weight [...]
  • Subjects: Chemistry
  • Pages: 3
  • Words: 892

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

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

Ainu People of Japan

Also, due to the growing interest of foreigners and the Japanese themselves in the culture of the Ainu, many of them are engaged in cultural activities to attract tourism, which is also a source of [...]
  • Subjects: Countries Studies
  • Pages: 6
  • Words: 1494

Automation in Horticulture

A farmer can situate the sensor and controller alongside the crops and outside, respectively, to allow the effective tracking of the underlying conditions and to adjust input trigger values.
  • Subjects: Agriculture
  • Pages: 6
  • Words: 1772

The Profile of China. Key Facts

The areas with most of the lakes are found in the Lower-Middle Yangtze plain and the Tibet-Qinghai plateau. Most of the lakes in the Northwest part are salty while the ones in the Southeast are [...]
  • Subjects: Countries Studies
  • Pages: 5
  • Words: 1499

Climate Zones of the United States

In general, the majority of the territory belongs to a temperate climate, humid in the east and dry in the west, with hot summers and cold winters. The tropical climate can be seen in Florida [...]
  • Subjects: Geography
  • Pages: 1
  • Words: 325

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

Different Ecosystems and Living Things

Habitat is the living environment; the population is all the living organisms within a habitat, and community is the organisms that interact with each other. The descriptions of the three ecosystems below will focus on [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 809

Different Kinds of Exotic Fruits

But that does not hold it back from being 'The King Of Fruits."Durian is a native fruit to Malaysia and Indonesia but now it is being grown in Thailand, Southern Philippines, India, and Sri Lanka, [...]
  • Subjects: Agriculture
  • Pages: 2
  • Words: 669

Russia’s Geography, History, and Governance

The demise of the Kievan Rus would also herald the rise of the Duchy of Moscow. Today the Russian Federation remains one of the largest countries in the world and heir to one of the [...]
  • Subjects: Countries Studies
  • Pages: 5
  • Words: 1506

Lifespan Development: Adolescent Psychology

Physical changes occur in the child during the period of adolescence as they hit puberty. It is known as the formal operational period and is the fourth stage in the life of the individual.
  • Subjects: Biology
  • Pages: 2
  • Words: 524

Geography of United Kingdom

The Gneisses rocks are the oldest rocks in UK and are mostly found in North West Scotland with few traces of the rock in other places.
  • Subjects: Geography
  • Pages: 2
  • Words: 656

Sacrifice Among the Maya Community

This explains why the people to be sacrificed had to be painted blue- in relation to the association of the color to Chaac In the Mayan community the sun, the moon as well as the [...]
  • Subjects: Archeology
  • Pages: 9
  • Words: 2511

How Europe Underdeveloped Africa

For example, the highly centralized polities of Bunyoro and Buganda, located to the north of Lake Victoria, were the result of migrations, beginning in about the sixteenth century, of Lwo-speaking peoples originating in the territories [...]
  • Subjects: Geography
  • Pages: 4
  • Words: 1159

Biology. Cell Analogy – Nucleus + Nucleolus

The DNA is similar in every cell of the body, but depending on the specific cell type, some genes may be turned on or off - that's why a liver cell is different from a [...]
  • Subjects: Biology
  • Pages: 1
  • Words: 557

Bacteria and Their Positive and Negative Effects

However, the described assumption is quite far from the truth, with a significant number of bacteria being not only useful but also essential to the functioning of the human body and the sustenance of life.
  • Subjects: Biology
  • Pages: 1
  • Words: 335

Caves Definition & Characteristics

The most general definition of a cave is a part of the Earth's core that has emptiness or open space which is connected with the surface in one or more places.
  • Subjects: Geography
  • Pages: 2
  • Words: 307

Corn Plant’s Developmental Stages

After the emergence from the ground, the corn plant continues to grow and elongate over the next weeks to form a stalk.
  • 5
  • Subjects: Biology
  • Pages: 3
  • Words: 883

Chemical Raising Agent in Bread in Lab Experiment

Therefore, the gluten content of flour affects the physical properties of flour and the corresponding baked products. The leavening agent was baking powder, which consists of sodium bicarbonate and potassium bitartrate.
  • Subjects: Chemistry
  • Pages: 6
  • Words: 1703

Breakdown of the Periodic Table

The Periodic Table is the tool for arranging elements based on the correlation between the periodic function of their atomic numbers and the properties of the elements in question.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 725

The Green Revolution: Waging a War Against Hunger

The video is all about a captivating story of how the Green Revolution was started so that people in the developing world could be rescued from hunger. Thus, the author argues that the objective of [...]
  • Subjects: Agriculture
  • Pages: 2
  • Words: 553

Archaeological Study of Roman Life and Behavior

Although this discovery may lack the size and drama of the Muse Cycle that has been discovered at the Hospitium de Sulpicii or the visual beauty of the fresco that once covered the back wall [...]
  • Subjects: Archeology
  • Pages: 5
  • Words: 1470

The UAE and Japan Comparison

The UAE is one of the most influential and prosperous countries in the world. Unfortunately, the innovation rate of the UAE is not considered to be one the best in the world as it occupies [...]
  • Subjects: Countries Studies
  • Pages: 2
  • Words: 675

Las Vegas City and Its Modern-Day Development

As a direct result of the growth of its tourism industry, this also resulted in more people moving to Las Vegas for work resulting in a subsequent boom in agglomerated business establishments and real estate [...]
  • Subjects: Countries Studies
  • Pages: 2
  • Words: 799

Manila City and Its Modern-Day Development

This curtailed the development of several areas in and around Fort Bonifacio and led to the main economic centre of the Philippines being located in Makati instead of within the main region of Manila.
  • Subjects: Countries Studies
  • Pages: 2
  • Words: 865

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

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

Caenorhabditis Elegans: Unc-22 Gene Strong & Weak Alleles

Studies involving the manipulation of the unc-22 gene including the introduction of mutations and silencing various alleles of the gene have helped elucidate the structure and function of the gene, which is beneficial to the [...]
  • Subjects: Biology
  • Pages: 6
  • Words: 1507

The Manufacture of Polyethylene

5 The popularity of polyethylene is rooted in the fact that this polymer is cheap, flexible, durable, and chemically resistant6 It is important to take a closer look at the manufacturing process in order to [...]
  • Subjects: Chemistry
  • Pages: 16
  • Words: 4148

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 Farmers’ Market Analysis

For the farmers the benefit lies in the cost saving of the production transportation and in the ability of the wholesale with the large grocery companies.
  • 5
  • Subjects: Agriculture
  • Pages: 3
  • Words: 837

Argentina’s Geographical Information

Buenos Aires is the capital city of the country and has a population of 3 million people. Cordoba is the capital city of the province of Cordoba and has a population of about 1.
  • Subjects: Geography
  • Pages: 3
  • Words: 855

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

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

Italian Culture

There is no post of the vice president in Italy and in the event that the president dies, elections will have to be held.
  • Subjects: Geography
  • Pages: 4
  • Words: 1092

Cell Culture and Biomedical Applications

This situation of cell line cross contamination could be attributed to constant necessity in the protocol for cell culture viability and identification.
  • Subjects: Biology
  • Pages: 5
  • Words: 1485

Ethnobotanical Uses of Plants

For example, the Cedarwood plant native to Asia and the Americas is used topically in the treatment of skin diseases such as warts and psoriasis.
  • Subjects: Biology
  • Pages: 7
  • Words: 1938

The Human Cloning Debates

Nonetheless, the scientists opposed reproductive cloning claiming that the practice undermines the uniqueness of humankind and that it is unethical to put the lives of clones in a condition of being susceptible to harm or [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 1197

Primary Mode of Subsistence in the Zulu Culture

This paper is aimed at bringing to the fore the primary approach of the Zulu culture subsistence and further analyze the impact of its subsistence on the Beliefs and values, Kinship and social organization aspects. [...]
  • Subjects: Anthropology
  • Pages: 8
  • Words: 2184

Large Animal Rescue Process

Large animal rescue situations demand not only the removal of the animal from whatever obstacle, object or place that their currently situated in but such an action must take into consideration possible alternatives when it [...]
  • Subjects: Zoology
  • Pages: 20
  • Words: 5477

Agro-Terrorism: The Lessons to Learn

Monke argues that, agriculture is more susceptible to acts of terrorism because terrorists prefer using plants and animals as they have diverse pathogens as compared to human beings, it is hard to protect expansive farms, [...]
  • Subjects: Agriculture
  • Pages: 15
  • Words: 4250

The Japanese Medical System and Its Aspects

The Japanese medical system is the best in the world and is regulated by the government. The Japanese are polytheistic and their culture is highly influenced by Buddhism and the Shinto-native traditions of the Japanese.
  • Subjects: Anthropology
  • Pages: 5
  • Words: 1714

Ethnography Reflection

In the book 'Mad Dogs, Englishmen, and the Errant Anthropologist ', Douglas Raybeck the ethnographer had to learn the culture of the society. The evidence of the ethnographer's impact on the communities is in the [...]
  • Subjects: Anthropology
  • Pages: 5
  • Words: 1710

Physical Geography: Climatology and Geomorphology

In general, geography is the study of distribution of human beings and things over the surface of the earth, and the interrelationship between human beings and the natural world.
  • Subjects: Geography
  • Pages: 2
  • Words: 604

Stem Cell Research

D, in the article I am Pro-Life and Oppose Embryonic Stem Cell Research, opposes stem cell research in particular embryonic stem cell research.
  • 5
  • Subjects: Genetics
  • Pages: 5
  • Words: 1780

Evolution and Adaptation of New York City Rats

In the city, rats are considered a cultural symbol, and their number is up to five times the number of people. The common types of rats are roof rats and Norway or brown rats in [...]
  • Subjects: Zoology
  • Pages: 11
  • Words: 3050

Five Themes of Geography Applied to Africa

To describe the human geography of Africa, the location and characteristics of settlements, as well as other factors such as economy, social structures, and culture, can be applied.
  • Subjects: Geography
  • Pages: 1
  • Words: 358

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

Modern Turkey, Ottoman Legacy and Westernization

Many of the country's customs and practices, such as the traditional Turkish greeting and the importance of hospitality, have their roots in the Ottoman period.
  • Subjects: Countries Studies
  • Pages: 3
  • Words: 962

Evolutionary Foundations: “Your Inner Monkey” Film

The film clearly summarizes the theory of human progression by tracking the evolution of the human brain from its humble beginnings as a protrusion on a nerve cord, through the three lobes of the shark's [...]
  • Subjects: Evolution of Humans
  • Pages: 1
  • Words: 341

Organic Compounds at Home and at the Workplace

One of the defining features of ketones and aldehydes is that these compounds are not soluble in water. In conclusion, functional groups of organic compounds can help define some of their features, such as dissolution, [...]
  • Subjects: Chemistry
  • Pages: 1
  • Words: 308