Natural Sciences Essay Examples and Topics. Page 4

2,340 samples

Origin and Evolution of Segmentation

In the article, "Origin and Evolution of Segmentation", the first hypothesis supports the independent segmentation in annelids, arthropods, and chordates. The first hypothesis predicts negligible similarities in the segmentation patterns of arthropods, chordates, and annelids.
  • Subjects: Biology
  • Pages: 2
  • Words: 562

Baking From the Point of View of Chemistry

1 The disadvantage of oat flour is that due to the lack of gluten the dough with it is not as elastic, and as a result the final foods may fall apart.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 898

Biosphere: Sydney in Australia

Due to the rapid growth in the population and the rate of industrialisation in Sydney there has been an imbalance between the green spaces and the building open spaces.
  • Subjects: Biology
  • Pages: 5
  • Words: 1508

Sea Otters’ Life Cycle From Birth to Death

However, after the species had almost become extinct and their protection began, the species began to recover and towards the close of the 20th century, conservation had given rise to tens of thousands of sea [...]
  • Subjects: Zoology
  • Pages: 8
  • Words: 2076

The Euphorbia Plant Modification and Adaptation

In the place of the leaves the plant has thorns which are used to protect the plant from its predators and help in conserving water for the plant as it does not lose water in [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 193

Diffusion in Polymer Solutions

Diffusion is the process of movement of atoms from higher concentration region to lower concentration region. The activation energy of vacancy diffusion is high compared to interstitial diffusion.
  • Subjects: Chemistry
  • Pages: 20
  • Words: 5561

The Main Objective of DNA Fingerprinting in Agriculture

Therefore, the main objective of DNA fingerprinting in agriculture is to overcome the limitation of insufficient dissimilarity among prior genotypes and come up with the best ideas to discover new molecular markers and collect data [...]
  • Subjects: Agriculture
  • Pages: 2
  • Words: 425

Potassium Polyacrylate Definition

Potassium Polyacrylate is a substance added to the soil to absorb and store water for the plants. Potassium Polyacrylate can also absorb and release fertilizers into the soil, the same way it does to water.
  • Subjects: Agriculture
  • Pages: 2
  • Words: 574

Ethnographic Design: Characteristics

According to Abalos, "ethnography is the in depth study of naturally occurring behavior within a culture or a social group; it seeks to understand the relationship between culture and behavior, with culture referring to beliefs, [...]
  • Subjects: Anthropology
  • Pages: 4
  • Words: 1143

Physiology of Uromastyx Aegyptia

Since the soil in the harsh and arid regions is salty, this makes the vegetation to have a lot of salt elements in them.
  • Subjects: Biology
  • Pages: 4
  • Words: 1340

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

Political Types in Melanesia and Polynesia Review.

The paper assumes a simple abstraction/caricature of some of the obvious deviations in the political organization of the two areas. This is particularly highlighted by the comparison of Melanesian and Polynesian political systems.
  • Subjects: Anthropology
  • Pages: 3
  • Words: 984

Bermuda Triangle and Its Definition

According to Winer, "the initial claims of the mysterious disappearances in the Bermuda also known as the 'Devils Triangle' dates back to September 19th 1950.
  • Subjects: Geography
  • Pages: 3
  • Words: 1002

The Brain: Structure and Functions

This paper is going to describe the major structures of the brain and the functions of each. This part of the brain is composed of cerebellum and the pons.
  • Subjects: Biology
  • Pages: 2
  • Words: 550

Avocado Production – Alligator Pear

The spacing of Avocado trees is also a crucial point in explaining the success of Avocado production in California. Irrigation has also contributed much to the success of Avocado production in California.
  • Subjects: Agriculture
  • Pages: 3
  • Words: 946

Evolution of Humans: The Human Evolutionary Theory

The earliest best-known theory of evolution was propounded by Charles Darwin, whose main thesis was that life has evolved from simple single-celled organisms to multi-cellular, complex living things through the process of natural selection and [...]
  • Subjects: Genetics
  • Pages: 2
  • Words: 558

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

Postmodernism in Anthropology

Thus, the change of epochs in the human philosophy was also the shift in the scientific focus on society, i.e.the social sciences could not escape the influence of the shift and followed it, adjusting the [...]
  • Subjects: Anthropology
  • Pages: 20
  • Words: 3603

The Best Place in the World to Live: Personal Opinion

I would favor living in a country that is ranked as one of the most beautiful places in the world, where the economy ranks among the topmost in the world in per capita, where very [...]
  • Subjects: Geography
  • Pages: 3
  • Words: 1160

“Shamanism, Colonialism and the Wild Man” by Michael T. Taussig

In the book "Shamanism, Colonialism and the Wild Man", Taussig explores and explains the atrocities committed by the early-20th-century rubber traders in the Putumayo Valley by studying the phenomena of terror and shamanic healing in [...]
  • Subjects: Anthropology
  • Pages: 4
  • Words: 1366

Oswald T. Avery and the Discovery of the DNA

Oswald Avery was a man driven with the desire to contribute to humanity but when he finally discovered something of utmost importance the world of science was not quick enough to give recognition to his [...]
  • Subjects: Genetics
  • Pages: 8
  • Words: 2429

Oxidation and Reduction Process

The amount of oxygen present in the atmosphere and the nature of the material it comes in contact with determine the process of oxidation.
  • Subjects: Chemistry
  • Pages: 8
  • Words: 1486

Activation Energy Barrier Definition

Any chemical reaction has a transitional state, which is characterized by a high level of available energy and can be described as a state of interacting molecules that corresponds to the peak of the activation [...]
  • Subjects: Chemistry
  • Pages: 2
  • Words: 629

The Solventless Reaction: The Aldol Reaction Condensation

To explore the base-catalyzed aldol condensation between 3, 4-dimethoxybenzaldehyde, and 1-indanone under solvent-free conditions; To purify the product through recrystallization; To evaluate the melting point of the product.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 582

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

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

Plasmids, Their Characteristics and Role in Genetics

Some plasmids, such as the F-plasmid, have the ability to exist in bacterial cells in two states, which are physically independent of the chromosome and integrated with the chromosome.
  • Subjects: Genetics
  • Pages: 1
  • Words: 311

KHT Molar Solubility Experiment

Thus, the calculated molarity of NaOH is used to compute the molar solubility of KHT, which is the quantity of KHT moles that are liquefied in every liter before saturation level.
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1322

Food Dye and Bleach Reaction Experiment

The rate law demonstrates how the rate correlates with the concentrations of the components of the reaction. It is possible to note that "the power of the concentration in the rate law expression is called [...]
  • Subjects: Chemistry
  • Pages: 5
  • Words: 1353

Thin Layer Chromatography

The TLC sheet was placed in a universal bottle containing solvent A with the line of origin nearest to the bottom but above the solvent. The positions of the solvent and each pigment molecule were [...]
  • Subjects: Chemistry
  • Pages: 5
  • Words: 961

The Batek People of Malaysia

However, in the recent past, they have constantly interacted with outsiders due to government programs since their homes are being logged for the cultivation of palm oil and allocation of lands.
  • Subjects: Anthropology
  • Pages: 8
  • Words: 2470

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

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

Soil Impact on the Growth of Plants

The aim of this experiment was to determine the impact of various types of soil as well as the effect of an energy drink on plant growth. The growth of the plants was measured as [...]
  • 5
  • Subjects: Biology
  • Pages: 4
  • Words: 1227

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

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

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

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

Cargo Cults, Acculturation, Fat Acceptance Culture

In essence, the cargo cult gives them hope of the coming period of prosperity and comfort. Participants in the video believe that American society is ethnocentric on the issue of obesity.
  • Subjects: Anthropology
  • Pages: 3
  • Words: 905

Colony Collapse Disorder in Honeybees

The study looks at the characteristics of this disorder which include the complete disappearance of healthy bees leaving the queen behind in the hive together with some worker bees as well as the young ones.
  • Subjects: Zoology
  • Pages: 5
  • Words: 1584

Conflicts in Anglophone and Francophone Africa

This is worsened by the fact that currently there is a civil war in South Sudan, and it is extremely hard for such a young nation. Some of the conflicts are complicated by differences in [...]
  • Subjects: Countries Studies
  • Pages: 2
  • Words: 554

Olfactics and Its Importance for Living Beings

It allows them to be what they are and to survive in the wild world. When it comes to people, the smell is an indispensable and an important part of their life.
  • Subjects: Biology
  • Pages: 5
  • Words: 1446

Human Genome Project vs. Human Proteome Project

Abhilash highlights that proteome is a combination of protein and genome; proteome comes from the word proteins and refers to all proteins that are produced by an organism in a given set of environmental conditions [...]
  • Subjects: Genetics
  • Pages: 5
  • Words: 1385

Agricultural Pesticide Negative Impacts

The presence of pesticide residues in water, air, and the food is considered the main consequence of the neglectful use of pesticides in agriculture as it puts a serious risk to the safety of people [...]
  • Subjects: Agriculture
  • Pages: 5
  • Words: 1457

Farmer Definition and Culture

The era of information the has led, to the creation of the particular image of success, and mass media created an image of a successful and stylish businessman.
  • Subjects: Agriculture
  • Pages: 6
  • Words: 1673

The Anthropological Approach to Globalization Aspects

As a result, the development of the societies and the aspects of the people's interactions are examined from the larger perspectives, and the results of examination are usually presented in 'convergence narratives' which are focused [...]
  • Subjects: Anthropology
  • Pages: 5
  • Words: 1375

The Globalization of Coffee Production and Consumption

The perennial rainfall adds to the suitability of the land since coffee bushes produce berries throughout the year. Later, rinsing of the beans takes place and this leads to drying of the beans.
  • Subjects: Agriculture
  • Pages: 4
  • Words: 1100

The Connection Between Totemism and Structuralism

For instance, according to the biological linkages, kinship systems are constructed from the relationship between the father and the son, the mother and the daughter, and the father and the mother.
  • Subjects: Anthropology
  • Pages: 8
  • Words: 2215

The Natural Behavior of Wolves

Summer time is a very important period for the breeding of the wolves."During the three to four months after parturition, the pups must be adequately fed to ensure that their physical development is sufficient to [...]
  • Subjects: Zoology
  • Pages: 7
  • Words: 1937

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

Hydroponics Application in Abu Dhabi

The several advantages that the hydroponics techniques offer include: The use of hydroponics systems in the production of plants allows for the cultivation of the crops in all seasons of the year when using greenhouses.
  • Subjects: Agriculture
  • Pages: 12
  • Words: 3387

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

Cell Membrane Permeability

When cells are contained in solutes with a majority of big molecules, the rate of permeability in cell membranes will automatically decrease.
  • Subjects: Biology
  • Pages: 3
  • Words: 842

Genetic Disorders: Causes and Treatment

The individual inherits some of the characteristics from the mother and the rest is inherited from the father. Genetic disorders may be passed from the parents to the offspring's during the process of fertilization.
  • Subjects: Anthropology
  • Pages: 6
  • Words: 1667

Modern Algeria

It borders the Mediterranean Sea to the north, Tunisia, and Libya to the east, Niger, Mali, and Mauritania to the south, and Morocco to the west.
  • Subjects: Countries Studies
  • Pages: 20
  • Words: 5466

Japanese Tourism Industry

The main purpose of the agency is to promote and monitor the number of tourists that enter into the country and develop specific legislation that is subject to the approval of the main governing body [...]
  • Subjects: Geography
  • Pages: 20
  • Words: 5325

Safety of Birds in Confinement

The most common cage material for outside cages is galvanized caging wire that is produced in sheets and cut to form the appropriate cage size for the bird or birds to be housed.
  • Subjects: Zoology
  • Pages: 8
  • Words: 2248

The Miami Beach

A sandy landform lying along the shoreline of the ocean, the beach is filled with splendor and it inspires feelings of tranquility and bliss to the person who happens to be on it.
  • 5
  • Subjects: Geography
  • Pages: 2
  • Words: 543

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

Thailand’s Development of Tourism

The economic and social implications of tourism for the country depend on the fact that the majority of the country's urban population works in the sphere of tourism and service.
  • Subjects: Countries Studies
  • Pages: 5
  • Words: 1409

The Origin of Man by Richard Leakey

When anthropologists realized that technology and the ability of the human mind exhibit different characteristics over time, they had to take a different approach in the quest to find the steps of evolution of mankind.
  • Subjects: Evolution of Humans
  • Pages: 8
  • Words: 2180

Visiting Ghana, Africa

Going to Ghana, it is important to understand family traditions in the country, the role of women and the role of the aged people.
  • Subjects: Geography
  • Pages: 4
  • Words: 1093

Effects of Animal Testing and Alternatives

Another challenge to the proponents of animal testing is related to dosage and the time line for a study. Animal rights values rebuff the notion that animals should have an importance to human beings in [...]
  • Subjects: Zoology
  • Pages: 7
  • Words: 1898

Comparison of Kula and Moka Practice

Islanders that participate in kula exchange are supposed to remain involved in this practice for the duration of their lifetime 'once in the kula, always in the kula': "The principle 'once in the Kula, always [...]
  • 1
  • Subjects: Evolution of Humans
  • Pages: 6
  • Words: 1647

Food Landscape in the Western Province, Kenya

Western Province in Kenya was chosen as the focus of the study because of one's familiarity with the area. The Western Province is situated on the western section of Kenya and borders the eastern part [...]
  • Subjects: Agriculture
  • Pages: 2
  • Words: 490

The Process of Fertilization in Mammals

In mammals, fertilization mostly takes place inside the body of the female animal whereby the gamete from the male animal known as the sperm fuses with the female gamete in the oviduct forming a zygote. [...]
  • Subjects: Zoology
  • Pages: 4
  • Words: 1148

Culture Review: Africa

In some communities, parents are involved in the choice of the spouse of their children. The way people live is a result of their culture.
  • Subjects: Anthropology
  • Pages: 2
  • Words: 579

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

Country Review: Switzerland

The effects of globalization and the need for the country to take a more active role has seen the country explore the possibility of relaxing it s strict laws that govern its international relations.
  • Subjects: Countries Studies
  • Pages: 5
  • Words: 1522

Neolithic Revolution

Neolithic revolution refers to an agricultural revolution that occurred between 8,000 and 5,000 BC, during which period the human way of life was transformed from historically practices that predominantly involved hunting and gathering to a [...]
  • Subjects: Anthropology
  • Pages: 2
  • Words: 604

Evolution of Dogs from the Gray Wolf

However, the combined results of vocalisation, morphological behavior and molecular biology of the domesticated dog now show that the wolf is the principle ancestor of the dog.
  • Subjects: Zoology
  • Pages: 5
  • Words: 1404

On Animal Abuse and Cruelty

In these cages, the animals are confined indoors for the whole year denying them their right to roam and feel the heat of the sun.
  • 5
  • Subjects: Zoology
  • Pages: 5
  • Words: 1369

Silicon Dioxide Production and Application

Silicon dioxide is available in plenty, and it can easily be found in several parts of the world. This is because of the ingredients used in making it.
  • Subjects: Chemistry
  • Pages: 9
  • Words: 2472

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

Negative Impacts of Animal Testing

In many instances it can be proofed that drugs have been banned from the market after extensive research on animal testing and consuming a lot of cash, because of the dire effects that they cause [...]
  • Subjects: Zoology
  • Pages: 4
  • Words: 1214

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

Bacterial Growth Curve Laboratory Experiment

To identify changes in a bacterial population in each of the four stages of a growth curve. To determine the actual growth rate of a bacterial culture by constructing a growth curve.
  • Subjects: Biology
  • Pages: 2
  • Words: 666

Nationalism: Unity and Divisions

Nationalism is a core concept in anthropology that encompasses the desire for a collective identity and the belief in the value of one's social, political, and cultural group.
  • Subjects: Anthropology
  • Pages: 10
  • Words: 2861

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

Discussion of the Orcinus Orca or the Killer Whale

The Killer Whale, also known as the Orcinus orca, is a large black and white mammal with distinctive white patches around the eyes and a white patch on the underside of its body. The baby [...]
  • Subjects: Zoology
  • Pages: 7
  • Words: 1568

Environmental Ethics of Pesticide Usage in Agriculture

For example, pesticides are responsible for the destruction of the soil and harm to the overall ecosystem. The soil, water, and air resources are at a high risk of contamination from the toxins that are [...]
  • Subjects: Agriculture
  • Pages: 4
  • Words: 735

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

Blade Runner Through Lens of Anthropology

This paper investigates the movie from the perspective of anthropology in an attempt to uncover the connections between human anthropology and Blade Runner's repercussions and reflections on replicants. Obviously, superiority results in the enslavement or [...]
  • Subjects: Anthropology
  • Pages: 8
  • Words: 2247

Isopropyl Alcohol in Cosmetics and Medicine

Isopropyl is synthesized in two steps: through the reaction of propylene with sulfuric acid and the consequent hydrolysis. In the context of isopropyl alternatives as sanitizers, ethyl alcohol serves as a solid option.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 528

History of Potatoes, Their Vatiety, and Popularity

The real success came to potatoes a little later - at the turn of the 18th and 19th centuries, when soldiers and horses needed to store a lot of food during the years of the [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 1233

Urbanization and Suburbanization

Therefore, more people come to life in the city, in order to be able to take advantage of the many opportunities it offers.
  • Subjects: Geography
  • Pages: 1
  • Words: 484

Anthropological Context of Pluriverse

The different practices and multiple dimensions of people's socio-economic approaches to life have frequently exacerbated the existence of multiple contexts to life that promote the ideology of pluriverse.
  • Subjects: Anthropology
  • Pages: 6
  • Words: 1642

Habitat and Ocean Life Considerations of Bottlenose Dolphins

The temperate and tropical oceans of the world are home to bottlenose dolphins. On the American continent, bottlenose dolphins can be seen along California's southern beaches and the eastern seaboard from Massachusetts to Florida, and [...]
  • Subjects: Zoology
  • Pages: 4
  • Words: 1104

Moths: Change in the Coloration

In particular, the peppered moth is thought to have changed its coloration qualitatively as a result of the deleterious effects of the Industrial Revolution on the forest.
  • Subjects: Zoology
  • Pages: 3
  • Words: 852