Natural Sciences Essay Examples and Topics. Page 5

On the other hand, modern humans developed a spear that was lighter and used it to throw the weapon to a distance of forty-two meters, a clear advantage over the Neanderthals.

The primary motivation and purpose of the company is to grow healthy and organic foods through sustainable farming techniques and to offer the world a piece of Tanzania.

Many researches have been done on soil taxonomy in the UAE, with the invention of a non-absorbent type of soil that was one of the breakthroughs that have greatly influenced agriculture in Abu Dhabi.

The hydrologic cycle is a term that refers to the continuous movement of water on, above, and below the surface of the earth.

Thus, in his article, the author promotes the idea that a multivariate model of developing the state in the context of ecological views is most appropriate.

In the context of the New World, it was the English and the French that carved up the North American continent.

The aim of this paper is to compare the lifestyles and achievements of the Olmec and the Inca civilizations. The creation of the civilization was instigated by the fact that local alluvial soil was well [...]

The climatic changes that have adversely affected the ability of farmers in the rural areas to generate high yields in their farms have led to a reduction in the number of fresh products reaching the [...]

The San people live in a country called Namibia, which is located at the west coast of the southern part of Africa. As discussed earlier, one of the good virtues they have is that they [...]

The general background provides information on the various terms used to describe nylon, the history of nylon, a comparison between nylon and other natural materials, such as cotton and silk, and the standards set aside [...]

As it often happens with various works of art that have stood the time test of several epochs, the creator of the harp and the invalid soundbox inside it is unknown.

Carbon is also an important element for the living organisms; hence the carbon cycle which is a gaseous cycle takes place to recycle the carbon and make it available for the living organisms.

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

Despite being various categories of the lube oil as mentioned earlier in the project, mineral lube oil from petroleum is the commonly preferred lubricating oil to the synthetic lube oil.Fig.showing lubricating oil The history of [...]

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.

With regards the boundary, while the absolute location of Europe is defined by high and upper-middle economies that stretch to Eastern Russia, the relative location of Europe is limited to few states.

In Brest, people are more opportunistic and have a business mind; the growth of the tourism industry in the area is a reflection of how the people are warm, friendly and willing to mingle a [...]

It is essential to note that the sand sea occurs as a result of soil erosion, which facilitates collection of the sand mainly in River Orange and in other parts of the desert.

On comparing this map with the spatial distribution of population map one thing emerges: the population density follows the same path.

The Greco-Roman world can be defined as the geographical area around the Mediterranean Sea and the Black Sea. The differences in social ranks affected the spread of knowledge in sexuality among men and women of [...]

However, it is this severity of the social as well as the environmental issues associated with the production of the mineral that has generated a big concern from the global authorities leading to interventions of [...]

As an alternative, other than matching the quantity of corn fed to the animals with the amount of grass and other normal feed by beef farmers, the FDA may be required to regulate the use [...]

The high prices of food in some regions of the world make most of the people to starve. Most of the people in developed countries like in US, UK, Canada and Australia are well endowed [...]

The vaquita looks like a star curved stocky porpoise and it is the smallest of all the porpoises in the world.

A total of eight countries are its neighbors; including Angola to the west, Mozambique, Zimbabwe, Namibia and Botswana to the south, Malawi to the east, Tanzania to the north-east, and the Democratic republic of Congo [...]

They are closely related to Samburu; a subtribe in Kenya, in way of living, culture and language and they are thought to have divided hundreds of years ago.

His claim regards the presence of molten metal observed at the basement of the rubble of the collapsed towers. The smoke and dust was also observed to emerge in a sequential fast timing The molten [...]

Agriculture advocacy and anti-agriculture groups' perspectives on technology and innovation are critical distinctions between activist groups that oppose agriculture and those that support it.

My friend is the only child in the family, which is connected with the economic opportunities of the parents, according to them.

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.

This scientific research investigates various aspects of bee extinction, such as the use of chemicals and their harmful effects on bees, the impact of climate change and urbanization, and proposals for bee population preservation and [...]

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.

In the case of more complex operations, genetic engineering can edit existing genes to turn on or off the synthesis of a particular protein in the organism from which the gene was taken.

The first form tries to make predators think prey is absent, the second to make them think they are inedible, and the last to make them attack insignificant parts of the body.

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 [...]

In this essay, the question of whether the body is a limit for the human being is discussed from the point of view of feminism and evolutionism.

Thus, the investigation of the existing lines of descent in a human family tree allows scientists to determine the worth of connection dots and differences and similarities between the ancestors.

The above provisions are claimed to be credible by other scientists as they not only find the confirmation of Darwin's standpoint in research but add to the knowledge in this field.

According to the article, the practice of spirituality is associated with poverty and ignorance in the Dogondoutchi region, while Islam corresponds to power and respect.

A biological and a social view of race are very different, which creates a misconception of race in society and leads to discrimination.

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.

The given assessment's method was focused on three major tests, such as Benedict's Test, the Sudan Test, and the Biuret Test, to analyze carbohydrates, lipids, and proteins, respectively.

In reality, it is the largest preserved palace complex in the world, and it is one of the finest achievements of the Ming dynasty.

Furthermore, considering the buffered concept of selves, the author suggests that God separates humans to be different persons without a porous understanding of self.

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.

The fossil record reveals that birds are the modern and feathered version of dinosaurs that evolved from past theropods in the Late Jurassic age. The reason for this is to ensure that fossil particulars weathering [...]

Because simple squamous epithelium is involved in the composition of the lungs, the heart, blood, and lymphatic vessels, it plays crucial functions in the body.

Comparing and analyzing the sources of aggression among chimpanzees and bonobos revealed that environmental factors, such as food availability, determined key differences of social structure and aggression patterns in chimps and bonobos.

The field of research concerning the modification of cells to cure certain diseases became known in the early 1970s. The success of the procedure was then published and performed in 2002.

There is a brief visual description of the three scripts and a summary of the stela's initial function in Ancient Egypt.

In the scientific world, gradual body change is a common occurrence witnessed in many parts of the world over a couple of years. In conclusion, the mutation causes a physical dysfunction and change in the [...]

000510?-1, and k-1 = 0. 000684?-1, and k-1 = 0.

As a consequence of these results, the variety of foods found in forest flora that include lichens may be linked to varying optimum conditions for establishment and development.

In particular, the field of computational biology uses the principles of mathematical analysis, statistics, and computer modeling to test hypotheses and forecasting experimental results.

It goes without saying that all three fields in the social sciences, psychology, sociology, and anthropology, play a vital role in the understanding of human beings, and their examination is highly essential and engaging.

The information in the article is very reliable as the study was conducted through a scientific procedure to reach a conclusion.

Neuroscience studies how the brain works and what is the structure of the brain. It is important to understand the anatomy, physiology, biochemistry of the brain, and to correlate them with the behavior.

As Atlas contemplates the existing monuments of the 20th-21st centuries, he writes about the great nations of the past, such as the Roman Empire, that never thought it would collapse in the way it did.

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 [...]

Positive results mean that a patient has been diagnosed with the disease, and so treatment is essential to ensure the patient's good health.

The precipitative gravimetric analysis allows the use of a net ionic equation for the measurement of the mass of solid calcium oxalate, determination of percent composition of calcium in the salt using the empirical formula, [...]

The Komodo dragon is the heaviest carnivorous lizard on the planet listed in the IUCN red list as vulnerable. The current geographical range of this species is the Komodo National Park and Flores Island.

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.

Economic analyses and resumes provided in this paper state that the safety and protection of shorelines are paramount to Florida tourism, and that the destruction of these shores are going to hurt the economy of [...]

The plasmid vector pTTQ18 and the GFP PCR product will be digested with restriction enzymes and the desired DNA fragments obtained thereof will be purified by Polyacrylamide gel electrophoresis and ligated with DNA ligase resulting [...]

It then progresses to the pupil, where the size of the pupil varies depending on the intensity of the incoming light, a phenomenon referred to the as pupillary light response.

The first was to determine the unknown concentrations of samples A and B using linear dilution while the other employed the serial decimal dilution method.

The clinical manifestations of chlamydial infection depend on the virulence of the pathogen, the duration of the stay of chlamydia in the body, the topography of the lesion, the severity of local and general reactions [...]

The amount of UV light depends on the latitude: the highest concentration is spread throughout the equator, while the areas close to the Earth's poles had it in scarcity. Both folate and vitamin D contributed [...]

It is a kingdom of living organisms that contains eukaryotic, heterotrophic organisms whose cells are enclosed by cell walls. Their cell organelles are bound by membranes hence the name eukaryotic.

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.

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 [...]

Microbiology, as a broad scientific field, entails an array of concepts and issues that are of pivotal relevance to health care as a whole and the science of pathophysiology, in particular.

The first step towards safeguarding and gaining from biodiversity involves sampling, identifying, and studying the biological specimens to identify the extent of the diversity and use that knowledge for the benefit of the country.

In order to carry out selective breeding, the breeder must first of all have a breeding stock with the desired qualities.

In addition, there have been studies at the level of genes and proteins known as molecular biology and at the level of community which is referred to as epidemiological and ecological microbiology.

The membrane, made up of lipids, facilitates the fluid movement and transportation of the vital elements of the cell. A lack of these vitamins in the body leads to various diseases and conditions.

Animal models have been used throughout the history of biology to facilitate the understanding of pathogenesis mechanisms, and in the development of effective therapies. The advantage of this method is in its ability to culture [...]

The basic premises of cell theory include that the basic unit of structure in all living organisms is the cell. The other premise in cell theory is that the functionality of an organism is a [...]

The report will cover the structure and functions of animal cells and organelles. It will also address the structure and functions of tissues and main organs of the body.

In this regard, one is expected to establish the necessities of photosynthesis and discover the requirement of carbon dioxide and light for oxygen evolution.

Herbicides are used by farmers to control the population of specific weeds in their farms, but genetic mutations in the part of some weed species can lead to their development of resistance against the herbicides.

One can argue that this mechanism is critical for the survival of this mollusk. These are some of the main issues that can be distinguished.

As far as the size of the bacterium is concerned, most of the specimens of P. Finally, cystitis and prostatitis can be viewed as a possible prognosis in the case of contracting P.

Conversely, those with the gene survived and passed it on to their young, making them immune to the toxins in the water and ultimately creating a generation of PCB resistant tomcod.

Once the pesticides are in the water, they affect aquatic life and the entire organisms in the food chain. Water is a basic need for all living organisms, and the harmful effects of pesticides in [...]

The government controlled most of the means of production and employed a large percentage of the workforce. In the current paper, the author takes an in-depth look into the current status of the Cuban economy.

According to Stein, the value of the index describes the stability of the calcium carbonate contained in water. In the event that the value of LSI is at zero, then water is said to be [...]

It leads to a lack of surviving members of some species to reproduce in order create a new generation of the extinct species.

On the other hand, the composition of the electroless nickel coatings depends on the conditions in an electroless plating bath and the formulation of the bath.

The pH of the acid was measured and recorded. The pH of the buffer was also measured and recorded.

Vertex hair loss: Vertex hair loss can be observed on the top of the head which is crown area and does not touch the hairline of the forehead.

The continued cases of robbery, murder and rape have been countered with the adoption of various forensic procedures to bring the crime perpetrators to book. The collection of hairs and fibres is usually the first [...]

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 [...]

This work entails developing a catalyst coupled with the construction of a good reformer in the field of catalysis. The catalyst is released at the end of the reaction and may be used again.

The aluminum industry in Australia is its economic backbone as it is one of the major products produced in the country and is a direct source of income to over 16,000 Australians.

By revealing the information about the details of photosynthesis, Gust encourages people to investigate and to develop the innovated techniques thus applying them to the problem solution in the different spheres of life.

This theory states that wings developed from a section of the legs of wingless insects. According to Carpenter, wings developed from gills through the evolution of gene expression with similarities between winged and wingless insects.

As I walked the hallways of the museum, I began to think about the key question of what the good life is and where we can find it.

One such index is the Simpson's Index of Diversity, which considers the total number of species and the relative abundance of each species.

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 [...]

The facial approximation is the process of the construction of the possible facial image of a person using the configuration of the skull.

Although these locations are not enough to embrace the entirety of the varied American climate, they offer unique characteristics of the target settings, such as the proximity to the ocean, the propensity toward rapid changes [...]

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.

The study aimed to produce a phylogeny of the family Testudinidae through the analysis of five molecular sets: three genes in the mitochondrial DNA and two genes in the nuclear DNA.

The location of the city is along the Central Western region of the country along Planalto central plateau. The economy of the city is in a large essence a government based one.

The climate of the continent was largely uniform, and this ensured that the populations were able to migrate and adapt their crops to different parts of the continent.

Maybe it is because of this direct interaction with humans that allow dogs to understand the basic human emotions and needs which led the animal to develop a way to comfort their human companions.

Through the historical study of past individuals, situations and events, a student of history is exposed to real complexities that individuals in the past have endured.

Cyclohexene is a hydrocarbon with a formula C6H10. This molecule is related to cyclohexane ring with a replacement of one hydrogen atom by a hydroxyl group.

Thus, it is clear that this is the most interesting chapter of the book and the most essential element in the study of anthropology.

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 [...]

As a result of this geographical feature, the region is always variable to floods in most of the seasons especially from the upper area and tidewater from the lower part of the sea.

First Nation People are the indigenous people or the aborigines of Canada and in Columbia, who are settled in the southern part of the country and are separated from other people in enjoying the same [...]

Though one of the toughest towns in the West, Los Angeles was designated as the official seat of County government and was incorporated as a city.

At the primary stage of the evolution of human civilization, the rise of agriculture in the later part of stone age, also known as the Neolithic Revolution, was ultimately necessary to keep pace with the [...]

There is small variation in daytime hours due to the location of Ecuador on the equator The capital city of Ecuador is Quito, located in the Pichincha province in the sierra region.

The most controversial and complicated aspect of this expertise is Human Genetic Engineering- whereby the genotype of a fetus can be altered to produce desired results.

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 [...]

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 [...]