Natural Sciences Essay Examples and Topics. Page 7

2,294 samples

Element of the Periodic Table – Antimony

Antimony is mostly found with other elements and "Antimony was recognized in compounds by the ancients and was known as a metal at the beginning of the 17th century and possibly much earlier" Antimony is [...]
  • Subjects: Chemistry
  • Pages: 5
  • Words: 1356

Functions of Imagination in Paleontology

Paleontology involves the inquiry of living things like creatures, vegetations, and further beings that existed in the primitive period, that is, in excess of 5,500 years past. The creatures were living when the rocks were [...]
  • Subjects: Archeology
  • Pages: 10
  • Words: 2778

Pfiesteria Piscicida: Classification and Analysis

Pfiesteria piscicida is a single-cell, a microscopic organism found in the environment for millions of years. 8S regions agree to the placement of Pfiesteria in the Peridiniales or a group between the Peridiniales and the [...]
  • Subjects: Biology
  • Pages: 7
  • Words: 1704

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

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

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

Biogeochemical Cycle: Nitrogen

The nitrogen cycle is a biogeochemical cycle that describes how nitrogen is converted to compounds and circulates through the air, water, and soil.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 395

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

Seed Germination Experiment: Results and Discussion

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

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

“On the Origin of Species” by Charles Darwin

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

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

Recombinant DNA Technology and pGLO Plasmid Use

Transformation of bacterial cells, which is one of the approaches used in genetic engineering, involves the transfer of genetic material from one bacterium to another using a plasmid vector.
  • Subjects: Genetics
  • Pages: 6
  • Words: 1666

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 Replacement Model: Main Aspects

Therefore, the replacement theory is based on the idea that the modern type of human beings could evolve only in Africa.
  • Subjects: Evolution of Humans
  • Pages: 2
  • Words: 702

Living in Hong Kong: Current Situation

The ultimate goal should be to transform the experience of every citizen in Hong Kong. It is therefore appropriate for the people of Hong Kong to be aware of this situation.
  • Subjects: Countries Studies
  • Pages: 7
  • Words: 1977

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

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

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

Indigenous Australians: History, Culture, Identity

The meaning of a group, a family, the importance of partnership and the way these people percept co-existence all of these aspects are included into the studies of kinship.
  • Subjects: Anthropology
  • Pages: 5
  • Words: 1266

Thinking Anthropologically by Salzman and Rice

In the book, the authors urge learners to acknowledge the anthropological approach of perceiving their environment. In the chapter, the authors address the learners and the instructors in different sections.
  • Subjects: Anthropology
  • Pages: 2
  • Words: 560

Secrets for Japan’s Success

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

The 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

Charles Darwin’s Theory of Natural Selection

Although the given theory is often misinterpreted as the idea that only the species that are the most physically strong can survive through the changes in the environment, it is clear that Darwin had the [...]
  • Subjects: Evolution of Humans
  • Pages: 3
  • Words: 842

Marine Life in United Arab Emirates

This report analyses the marine life in the UAE, covering detailed information about the various species of animals found in the region and their adaptation to the unique environment.
  • Subjects: Biology
  • Pages: 5
  • Words: 1474

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

Evolution Process Definition

Gene flow is the biological exchange of genes from the inhabitants of a certain place to the next and also between species.
  • Subjects: Anthropology
  • Pages: 2
  • Words: 558

Medical Anthropology

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

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

Methods of Cultivating Crops Using Hydroponics System

According to Keith, the film of water flowing in the roots of the plant should be made as shallow as possible to facilitate efficient flow of oxygen within the rooting system of the crops as [...]
  • Subjects: Agriculture
  • Pages: 3
  • Words: 864

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

Winter in Prince George: The Colors of the Snow

However, the stellar beauty of the landscape is not the only notable feature of the Prince George climate. The fact that the natural physics of the Prince George city is defined by unusually high humidity [...]
  • Subjects: Geography
  • Pages: 2
  • Words: 569

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

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

Ethnographic Research Methods

Participant observation can be defined as a qualitative method in ethnology research that is used by researchers in the areas of cultural anthropology in which the researcher in given the opportunity to get a close [...]
  • Subjects: Anthropology
  • Pages: 7
  • Words: 1891

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

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

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

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

Accessibility to Safe Drinking Water

The first is to dig wells in the rural and arid areas to aid the people to have access to water. The other alternative is to treat water and use it in the home.
  • Subjects: Agriculture
  • Pages: 2
  • Words: 551

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

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

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

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

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

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

Thailand Ethnography: Similarities and Differences

In fact when I heard both families speak in their native tongue there were some words that were similar and as such is indicative of a common cultural ancestry somewhere down the line.
  • Subjects: Anthropology
  • Pages: 5
  • Words: 1398

Are People Superior to Animals?

However, it is possible to claim that Giacomo Leopardi is the greatest supporter of the idea that animals are superior to people.
  • Subjects: Zoology
  • Pages: 5
  • Words: 1298

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

Social Learning and Cognitive Research in Great Apes

The differences in the findings indicate that the conditions in which primates live dictate their cognitive and learning behaviors. A better explanation of the differences in learning and cognitive behaviors is the role of environmental [...]
  • Subjects: Anthropology
  • Pages: 4
  • Words: 1044

Bacterial Identification Through Biochemical Testing

The laboratory tests allow for the identification of the difference between gram-positive and -negative bacteria in practice. The samples were used to determine the bacteria and their type based on the results of the tests.
  • Subjects: Biology
  • Pages: 9
  • Words: 2395

Darwin’s Theory of Evolution: Insights, Influence, and Debate

Lamarck focused on the "physical conditions of life," believing that the changes developed during an organism's life are passed on to the next generation.[Darwin, An Historical Sketch, quoted from Appleman 1861: 87] In contrast, Darwin [...]
  • Subjects: Evolution of Humans
  • Pages: 3
  • Words: 983

Understanding Protists Through Sketching and Analysis

Sketching the six species of protists is helpful to provide a more in-depth understanding of how they function, feed, and reproduce. This helps to understand their role in the whole organism and the formation of [...]
  • Subjects: Biology
  • Pages: 1
  • Words: 325

Synthesis and Analysis of Cobalt Coordination Complexes

The paper describes the milestones of the three-step analysis, the calculation of product yields, and the comparison of empirically measured wavelengths of maximum absorption with literature data.
  • Subjects: Chemistry
  • Pages: 3
  • Words: 1164