Natural Sciences Essay Examples and Topics. Page 20

The region also boasts with the endangered freshwater turtle species, which are under a threat of extinction due to over-harvesting and destroyed habitat.

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.

The hot and moist winds blow from the sea to the mainland, and cool down upon reaching the mainland. The sea breeze is characterized by winds that blow from the sea towards the land.

The speed and energy of the sounds that are transmitted in the SOFAR channel are maintained without being altered because of the pressure, which increases with increase in depth.

It is indeed correct to argue that contemporary DNA research has not only changed the field of physical anthropology in major ways, but it continues to alter and broaden our understanding and perceptions in a [...]

Due to the carbon dioxide increase in the atmosphere, acidity in the oceans is increasing++ and a fast increase of change rate is experienced.

The ocean has about 25,000 islands which are in excess of the entire number islands in all the oceans across the world. The volume of water in the ocean is about 622 million km3.

The combination of humid conditions and average temperatures purport the corrosion of rocks containing iron elements by the formation of iron oxide that weakens the rocks.

San Jose is involved in the social innovation and the ecological prosperity in the movement, which increases the stability of the economy and at the same time, protects the environment and social order.

Over the years, corn has been used to produce alcohol in the form of ethanol, a major raw material for the production of energy.

The heating facilitates the production of formaldehyde gas that bonds the hair with the conditioner. The entire process exposes customers to the risk of inhaling the formaldehyde gas that has negative effects on the body.

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 [...]

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.

The doctrine was, originally, generated by the scientists, Sandra Scarr, who suggested that genes may impact the constitution of the surrounding environment, which stimulates a certain niche of human responses and to the surrounding conditions.

Plato's idea of non-interference also can be applied to the first example of genetic treatment that individuals with an illness have their own specialization, thus treatment should not be provided as a disease is something [...]

Agriculture has led to the destruction of the natural habitat of the moth. Farming practices have led to the dramatic reduction of the grass needed for the survival of this moth.

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 [...]

The results of the research indicate that the practices in physical geography are shared by the commercial interests and the traditional discipline of physical geography.

The majority of commercial PP is isotactic and possesses a transitional intensity of crystallinity amid the one of high-density polyethylene and low-density polyethylene.

Ethylene glycol polymers are products of additive reactions between ethylene oxide and ethylene glycols. The boiling point and state of ethylene glycol polymers are proportional to molecular weight.

The Islands lie in the shores of the Philippine and Malaysian coasts, covering a land area of about four square kilometers. The main champions in the dispute over the Spratly Islands are the Republic of [...]

There is a significant drop in the number of dairy farms in Canada because in the beginning of 1980s the number was almost double of what it is today.

Given that the nutritional demands of pregnant sows vary according to their sizes and stage of gestation, farmers can accurately determine the amount of food for each sow without the fear of sows depriving each [...]

Therefore, one should not suppose that the growth of production can be explained by the increase in the number of people who wanted to work in this industry.

The increased rate of rural to urban movement has caused urban food shortage, a high cost of food, and a huge reliance on imported food, among other challenges.

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 [...]

The brain is one of the most fascinating organs of the human body. In conclusion, the beliefs about ten percent of our brain left and right-brained people or other similar statements are pure myths that [...]

The model of blending inheritance implies that the offspring gets the traits that equal to the average of the same traits in their parents.

It is a very important factor as it helps to create new species and serves as a source of variation. That is why it is possible to speak about the process of appearing of new [...]

It is also bordered by Myanmar, Laos and Vietnam to the south, and to the west and south west, it borders Bhutan.

Most of the views about forbidden archeology are contained in a 1993 book titled "Forbidden Archeology: The Hidden History of the Human Race".

The given data allows to conclude that Burmese pythons are responsible for the decline of the population of mammals in south Florida.

The evident river formation is the deposition of silt or siltation of the river bank as the river meanders across the rugged terrain.

Wilson states that an individual can either acquire traits such as altruism and selflessness from a group in a way that enables other people to develop mannerisms that make them prosper at the expense of [...]

The scientists were determined to find out the origins of the creature and to solve the secret of the grave. The scientists associated all of these objects with the remnants of the mummy and came [...]

According to Madsen, Daumerie, and Hardee, developing counties have a young age structure of about 60-percent of the total population. The problem of age structure is depicted in both developed and developing nations.

With the improvements in the understanding of evolution and molecular biology, the definition of species in the past has been changed several times.

The first and the most obvious result of the global warming is the decrease of the harvest in the majority of regions all over the world.

Queen Hatshepsut's remains have not been found completely, and there is much evidence to discuss the role of Thutmose III in the female pharaoh's disappearance.

People who meet me at their life paths are inclined to experience similar emotions and feelings while analyzing the details of my appearance and character, and my friends agree that the discussion of pineapple as [...]

Overall, one can argue that Mormonism is a religious movement that can be viewed as the modification of Christian teaching, and it represents such a trend as the Second Great Awakening which had profound implications [...]

The outstanding physical feature gracing this region is the Volga River which stretches from Vidal Hills in the northwest to drain into the Caspian Sea in the south.

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 [...]

The three distinct mountains in the region are the Jura Mountains in the northwest, central plateau, and the Alps in the south.

Gene flow is the biological exchange of genes from the inhabitants of a certain place to the next and also between species.

The relationship and the balance people have with the animal world and nature has drastically changed. People have become desensitized to the killing and consumption of domesticated animals.

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.

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.

Genetic diversity is a term used to refer to the dissimilitude of organisms of the same species. Species diversity is used to refer to dissimilitude of organisms in a given region.

The city, located at the source of Miami River, lies on a wide plain amid the Florida Everglades on the west and Biscayne Bay on the eastern side and generally has a flat terrain with [...]

Genetic evidence has been used to prove the theory that though the Europeans were the first inhabitants of this Island, South Americans assisted in the colonization.

The origins of totem poles construction in Canada are not known, but no examples of poles carved before 1800 exist due to the easy degradation of red cedar a malleable wood that is used as [...]

The inscriptions found on the stone are believed to have been made by the Indians according to the 17th century American scholars. Besides, the message put in the inscriptions is linked to natives and explorers.

In other words, similar methods used in the study of evolution are also to understand the lifestyle of the hominids. Further, the fossils evidence have been applied in the understanding of the gradual changes that [...]

The fact that we do not know the rate at which the economy is slowing down denotes that we cannot tell the rate at which air pollution in the country is reducing and those who [...]

The unique layer of the six layers of the Earth to us The layers of the Earth are, the; crust, upper mantle, transition region, lower mantle, D" layer, outer core and the inner core.

Since the focus of the study is on the microwave radiation hazards, the explanations will be limited to the electromagnetic spectrum.

Irrigation refers to the artificial use of water to assist in agriculture and is important in the suppression of weeds especially in grain fields and in the deterrence of soil hardening.

The rest of the report concentrates on the introspection of the chemical hazards of plastics, effects of the hazards, and then wide up by looking at possible solutions.

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.

It shall highlight the extent to which global warming is caused by power plants and delineate the consequences it has had on the world as well as the potential dangers it poses to the world.

Wind energy is a renewable source of energy that is an alternative to fossil fuel use, which is necessary for the conservation of the environment.

General overview: after choosing the topic, the research team decided to review the available information to ensure that the base of the problem was wide and comprehensive; at this stage, the researchers were concerned with [...]

Unfortunately, the Industrial Revolution and the subsequent advancement of the local and national economy have turned the River into an object of environmental pollution.

The PCR was then used to amplify the GFP gene used in the experiment. The growth levels of the antibiotics can be clearly observed through the plates used in the experiment.

The authors believe that the regulation of genomic technologies should support the interests of various stakeholders who can be affected by these innovations. This is one of the main limitations that should be considered.

In response to the insights presented above it is clear that corn is a major contributor to obesity which is one of America's major pandemic.

The two types of cloning differ in the procedure involved and the objective of the process. In the case of reproductive cloning, the egg is already fertilized and its failure to develop into a complete [...]

This paper looks at the city of Los Angeles and the practice of urban agriculture as a case study to enable the exploration of some of the components of climate change coupled with how political [...]

This was followed by the discovery of Australopithecus africanus that dated between 3 million and 4 million years ago. The next fossils discovered were of Australopithecus robustus that dated between 2 million and 3 million [...]

The country is the source of water, and also a water table of up to 12% of the available freshwater worldwide Brazil is also undoubtedly one of the leading producers of food and biofuels in [...]

For the resources of the world to be maintained, biodiversity has to be present. It is upon ourselves to determine the kind of a world we want to live in.

Forest Regulation of 1995 and the Forest Act of 1993 do provide new legislations that allow the local communities to participate in the management of forests in Nepal.

But more importantly, environmental policymakers in Brazil should realize that another vicious cycle between economic development and income distribution will set in the near future as long as farmers in North-East regions of the country [...]

This sort of technology can be compared to the current prostatic usage and it has proven to be extremely beneficial for people.

The evolution happens very fast and in response to the effects of the toxicants present in the water of the rivers.

This research paper thus seeks to examine the concept of human and animal reproductive cloning with an aim of investigating the tenets of this concept and the perspective of society on the issue from ethical, [...]

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 [...]

The following is a description of some of the similarities and differences that exist between humans and chimpanzees and the most significant traits that each possesses taking into consideration the above four traits used to [...]

The second technique, which is grid walking, is where the survey area is divided into squares, and the field walkers use the fixed amount of time to work on each square collecting all the materials [...]

Marxist Geography is critical in nature, and it utilizes philosophy and theories of Marxism to look at the spatial relations of human Geography.

This might offer a scientific explanation as to why she is an athlete due to the functions of the hormone in the body.

The objective of the developmental paleoneurology from which the study borrows, is to identify the changes in the brain ontogeny and to make inferences from the mechanisms that create these changes.

The original article challenges the evolutionary theory of romantic jealousy and states that there are no differences in the responses of men and women to different types of infidelity.

The aim of the EPA is to continue assessing the health effects of perchlorate, along with the science behind their occurrence in public water systems. The state of California also regulates perchlorate as a contaminant [...]

However, in this case, the enforcement of this law was at the discretion of the people and not the police. The Islam religion is a culture to the Muslim community and thus they have every [...]

Peyote is believed to cause some people to hallucinate and in deed the Native American church used it while meditating. In conclusion, the use of peyote is illegal in U.S.because this plant has similar effects [...]

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.

Thus, this essay presents discussions on the concerns raised over the safety and effect of genetically modified foods, and the benefits of these foods in order to assess whether the benefits outweigh the risks.

In regards to negative enforcements, the puppy should be fitted with a collar and upon the command "sit", the collar should be pulled up a bit to force the dog to sit down.

In this case, people migrate to other countries to further their education. This is because people migrate or move from place to place as a result of these factors.

Blood gases refer to quantification of the amount of carbon dioxide and oxygen available in blood. In this technique, illumination of a specific color is passed through the fibre optic cable and then to the [...]

Furthermore, in this paper I would like to discuss the territoriality of both human beings and non-human primates, in other words, the strategies of establishing and defending one's territory.

The study achieved this goal through the use of Single Particle Tracking that entails observing the diffusion of a particle in the cell.

The hypotheses include: The reformation of promoter nucleosomes is required for gene silencing Gal4 continues to function in the presence of galactose and glucose What they Did to Test the Hypotheses To test their hypotheses, [...]

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.

Data Analysis The vegetation structure data were collated by indicating number of trees, number of large trees, number of shrubs, percentage cover of bare ground, live plants, plant litter, and rocks, number of fallen branches, [...]

In spite of the fact that people focus on the same elements of time and space in their discussion of the cosmos, cosmovision as the unique understanding of the world is different in cultures of [...]

According to the author, Copan City was at the center of the Maya kingdom. The founding of the Acropolis was critical towards redefining the history of the Maya people.

Combined with the effects of the climate change and the corresponding issues with the crops, the increasing growth of the population is obviously one of the greatest concerns.

It also determines the kind of treatment and the interaction between the healer and the sick person. It is the hallmark of a good health care system.

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.

In both studies, time was a key factor that helped to determine the blood lead levels and effects of lead on body organs.

Based on these findings, the study came to a conclusion that exposure to DDT and DDE during the prenatal period can to lead to delays in the development of infants.

The selected toxin, which affects the nervous and cardiovascular system, is mercury. Once the nervous system is exposed to mercury compounds, its effectiveness and response are reduced by the harmful compounds.

Of greater essence in the paper is the discussion about the intelligence tactics that are used to solve the issue of illegal migration in the border between the United States and Mexico; that is, the [...]

In fact, the proponents of cloning assert that it would provide the parents with the opportunity of determining the attributes as well as the genetic features of the offspring.

It is done on a molecular level by synthesizing DNA, generating sequences and then inserting the received product into the organism which will be the carrier of the outcome. Another possibility is that the time [...]

This also means that the distribution of the mosques will be based on the population of the worshipers within a specific location, and not on the geographic locations. The emphasis of this policy is on [...]

Indeed, one of the fundamental tasks of anthropology is understanding different cultures, which "inevitably involves either the translation of words, ideas, and meanings from one culture to another, or the translation to a set of [...]

The new guidelines have to follow the six steps of urban planning which include determining the objective of the urban plan, formulating the strategy, determining the number of inputs and outputs that will be used [...]

The issue of environmental sustainability comes up due to the emerging ways of farming like the great shift of the farmers to the use of organic methods of farming.

Although the problem of the distinction is still actively discussed, it is possible to determine such consequences as the correlation of the concept of 'animalization' and the notion of 'humanity', the connection of the problem [...]

This essay will explore the state of agriculture in the South African state of Mozambique, which will include the country's farming systems and agricultural policies, and the role of women in agriculture, among others.

It is because of this that understanding of bacterial genome is critical. In the latter, short nucleotide sequences are aligned to a genome of reference using algorithms.

The division of bacterial cells is focused on the study of the force that makes the cell separate into two, paying specific attention to FtsZ and the division ring Z-ring.

When cells are contained in solutes with a majority of big molecules, the rate of permeability in cell membranes will automatically decrease.

03 1 Table 2: Population pyramid dynamics Source: Self generated from Indexmundi Figure 4: - Life expectancy Source: Indexmundi Human Development Index Figure 5: Afghanistan's HDI indicators for 2011 comparing with other countries Source: UNDP [...]

The main economical forces of the State of Maryland are the informational technology, telecommunications, scientific research, aircraft development and security. Maryland keeps the leading position in the biotechnology area, providing the multiply researchers of the [...]

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.