Natural Sciences Essay Examples and Topics. Page 4

2,271 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

Transpiration Process in Plants

Initially, the roots absorb water by the process of osmosis due to the variation in the concentration of the water level between the soil and roots.
  • 3.3
  • Subjects: Biology
  • Pages: 2
  • Words: 562

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

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

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

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

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

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

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

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

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

Measurement of Generation Time of E. Coli

An integral part of bacterial cultures is the generation time, which determines the ability to double during each time interval: determining the minimum value of this time for an inoculated E.coli culture was the main [...]
  • Subjects: Biology
  • Pages: 5
  • Words: 1527

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

Albinism: Causes, Symptoms, and Therapies

Hence, it is crucial to be aware of the inheritance pattern of albinism and the higher incidence of the disorder in certain ethnic groups.
  • Subjects: Genetics
  • Pages: 11
  • Words: 3044

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

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

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

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

Computational Biology as an Essential Research Area

In particular, the field of computational biology uses the principles of mathematical analysis, statistics, and computer modeling to test hypotheses and forecasting experimental results.
  • Subjects: Biology
  • Pages: 4
  • Words: 911

Analysis of Astoria, Queens, New York City

The neighborhood chosen for this assignment is Astoria, located in the borough of Queens, New York City. The neighborhood is well-connected with other parts of the city by various types of public transport and is [...]
  • Subjects: Countries Studies
  • Pages: 1
  • Words: 340

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

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

The Pros and Cons of the Lebanese Confessional System

The 1943 agreement by the representatives of the major dominant groups of that time, that is, the Maronite and the Sunni elite set the stage of the major political revolution of political Confessionalism in the [...]
  • Subjects: Countries Studies
  • Pages: 11
  • Words: 3015

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

Acid Extraction by Acid-Base-Coupled Extractants

Acetylsalicylic acid Physical properties Acetylsalicylic acid exists in the form of white crystals with a molecular weight of 180. The figure below shows the structure of acetylsalicylic acid Acetylsalicylic acid is soluble in water with [...]
  • Subjects: Chemistry
  • Pages: 10
  • Words: 3105

Climate Change and Threat to Animals

In the coming years, the increase in the global temperatures will make many living populations less able to adapt to the emergent conditions or to migrate to other regions that are suitable for their survival.
  • Subjects: Biology
  • Pages: 2
  • Words: 573

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

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

Kiwi Fruit: Nutrition and Biological Molecule

The kiwi fruit is botanically referred to as Actinidia deliciosa and the common name used is Chinese gooseberry. The primary function of starch is derivation of energy.
  • Subjects: Biology
  • Pages: 2
  • Words: 594

Description of Mitosis and Meiosis

Mitosis is a type of cell division in which a single parent cell divides to produce two daughter cells that are genetically identical to each other and to the parent cells that divided to form [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 828

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

Cracking Naphtha to Produce Olefins

The purpose of the study was to establish the amount of olefin, gasoline and other crude oils that were to be produced in the exercise. To study the properties and applications of olefin and naphtha.
  • Subjects: Chemistry
  • Pages: 15
  • Words: 4124

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

Mixtures and Compounds in Chemistry

The type of bonds and the combination depends on the position of each element in the periodic table. The elements in a compound are always in a fixed ratio and the arrangement is defined.
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1284

City of Perth, Australia Exploration

The city of Perth in Australia has a rich heritage in terms of cultural values and attitudes which define the culture of the city and this is evidenced by the exotic buildings and open spaces [...]
  • Subjects: Geography
  • Pages: 10
  • Words: 2936

Silver Characteristics as a Chemical Element

In addition, silver is commonly formed in a wide variety of hydrothermal deposits and is associated with gold and the base metals such as copper, lead and zinc. Increase in silver concentration is an indicative [...]
  • Subjects: Chemistry
  • Pages: 3
  • Words: 882

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

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

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

Marfan Syndrome in Genetic Counseling

The two generation hierarchies above and one generation hierarchy below the Anne's generation was pooled and presented in the chart as below: Firstly, the typical clinical symptoms attributed to MFS were sorted from the description [...]
  • Subjects: Genetics
  • Pages: 4
  • Words: 1442

Geochemical Exploration Methods for Mineral Deposits

Geothermal cycle The use of tin dates back in the 3,500 B.C.and is one of the oldest metals that was used by man. In addition, blood or urine may be used to determine the amount [...]
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1110

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

Why Are Glaciers Interesting?

It is very different from ice, the physical aspect of a glacier is very interesting, and the height of a glacier is another extraordinary factor that makes it very interesting.
  • Subjects: Geography
  • Pages: 2
  • Words: 531

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

Experiment: Growing Tomato Plants Under Light

The first seedling was planted into a garden under a condition of strong direct sunlight of about six to eight hours daily and was far away from the light source.
  • Subjects: Agriculture
  • Pages: 3
  • Words: 828

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

Medical Anthropology and Its Subfields

Medical anthropology is the science of ethnomedicine; elucidation of decease; what is the reason of decease; the appraisal of health, decease, and cure from both an ethic viewpoint; naturalistic and individual clarification, evil eye, the [...]
  • Subjects: Anthropology
  • Pages: 4
  • Words: 1082

The Digestive System and Its Functions

That is why the proper functioning of the human digestive system serves as the basis for full-fledged life support during the main processes in the digestive tract. In the oral cavity, food enters the throat, [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 952

Botany and Zoology in the Classroom

What are the Purposes of the Botany and Zoology Areas in the Classroom? The role of a teacher is to prepare botany and zoology areas.
  • Subjects: Biology
  • Pages: 7
  • Words: 1631

How a Caterpillar Becomes a Butterfly

Butterflies and moths belong to the order Lepidoptera, which is the second largest in the class of Insecta. Chrysalis is the most critical stage of the lifecycle of a butterfly.
  • Subjects: Zoology
  • Pages: 3
  • Words: 856

Aqueous HCl Solution Preparation

To prepare 500 grams of a 5% aqueous HCl solution, the chemist must have some basic information about the solute and the solution.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 668

Events in Archaeology: Buried Cities and Lost Tribes

The article "2,000 year old nails may be tied to the crucifixion" by the Associated Foreign Press details how two Roman nails found in the burial cave of a Jewish high priest, supposedly the very [...]
  • Subjects: Archeology
  • Pages: 18
  • Words: 4826

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

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

Can Animals Think?

However, at the moment the rapid evolution of science and increased level of attention given to the investigation of animals introduced another idea which states that other species might also have the ability to think [...]
  • Subjects: Zoology
  • Pages: 4
  • Words: 1122

Evolution and Speciation’s Four Forces

The process of evolution is subject to many forces, which drive the development of species, variants, and populations of organisms. Thus, this essay seeks to define and examine micro-evolution and macro-evolution, species and population, evolutionary [...]
  • Subjects: Anthropology
  • Pages: 2
  • Words: 655

Pollutants Effects on Cellular Respiration Rate

Therefore, the purpose of the experiment was to investigate the effects of pollutants on the cellular respiration rate. Moreover, the hypothesis that the presence of a pollutant harms the rate of respiration was investigated by [...]
  • Subjects: Biology
  • Pages: 5
  • Words: 1434

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

The Indian Agriculture Sector

Given the significance of the agricultural sector to the economy, the government introduced the 11th five-year plan to provide support and incentives to farmers and other stakeholders in order to enhance production of food.
  • Subjects: Agriculture
  • Pages: 6
  • Words: 1662

Gesher Benot Ya’akov Archeological Site

The sediment layers at the site indicate that the occupants had used fire for thousands of years considering the burnt flints found in lower parts of the pollen diagram.
  • Subjects: Archeology
  • Pages: 8
  • Words: 2342

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

Outdoor Expedition Risk Management Plan

Given that this is the first outdoor expedition along a major rive for most of the members, the skills level and experience within the group is limited.
  • Subjects: Countries Studies
  • Pages: 11
  • Words: 3061

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

Origin of Human Races

According to Wallace it is true that the animals change their physical and internal make up to conform with the changes in the environment in which they live. Wallace gave priority to the origin of [...]
  • Subjects: Anthropology
  • Pages: 4
  • Words: 1087

Human Development: Nature or Nurture?

With studies and theories carried out to examine the impact of nature on the personal development and personality traits, heredity is an important factor in the development.
  • Subjects: Anthropology
  • Pages: 8
  • Words: 2197

History of Nigeria

The country has the largest number of black population in the world and the seventh largest country in the world; in Africa, Nigeria has the largest population.
  • Subjects: Geography
  • Pages: 7
  • Words: 2079

Spain’s Geography and Culture

Spain, claiming over half a million acres on the Iberian Peninsula, fronts on the North Atlantic, the Bay of Biscay, the Mediterranean Sea, and the Balearic Sea.
  • Subjects: Geography
  • Pages: 2
  • Words: 250

Physical, Human, and Economic Geography of Italians

Its neighbors include France Switzerland and Austria to the north, Slovenia along the Alps, and the Italian Peninsula, the islands Sicily, and Sardinia to the south in the Mediterranean ocean.
  • Subjects: Geography
  • Pages: 5
  • Words: 1371

Hokkaido Island of Japan

Hokkaido is thenorthernmost land of Japan and is surrounded by two seas, the Sea of Japan and the Sea of Okhotsk, and the Pacific Ocean.
  • 3
  • Subjects: Geography
  • Pages: 10
  • Words: 2721

Kinship of Family

In the above mentioned scenario it is certain that links that are based on blood are stronger and cannot be compared to links based on the marriage because the partners in marriage are united by [...]
  • Subjects: Anthropology
  • Pages: 2
  • Words: 728

Paris and Its Tourist Places

The city is the capital of France and is relatively small by the standards of most capital cities of the world.
  • Subjects: Countries Studies
  • Pages: 2
  • Words: 619

Estonia’s Geography and Economic System

The administration system is a parliamentary democracy, with the president serving as the leader of the state and the prime minister as the leader of the government.
  • Subjects: Countries Studies
  • Pages: 3
  • Words: 888

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

Jamestown as an Archaeological Site

The Jamestown rediscovery project began in 1994, intending to uncover the original site of the James Fort, presumed to have been lost due to the river's erosion.
  • Subjects: Archeology
  • Pages: 7
  • Words: 1926