Natural Sciences Essay Examples and Topics. Page 5

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 [...]

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 [...]

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 [...]

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.

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.

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 [...]

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 [...]

Even in newborn screening, an area where genetic testing is excelling, parents opt to terminate the pregnancy for lack of a better solution to their condition.

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.

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.

The development entails the changes that are experienced at the various levels of growth from childhood to adulthood. Another influence is the socioeconomic status of an individual.

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.

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 [...]

It is evident that an individual is born to a particular culture and grows with values and beliefs of that culture normally.

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.

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.

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 [...]

The naturalist of the time believed that everything in the world had a key role in the economic of nature and the credit was given to an intelligent creator.

There are two species of lowland gorillas; the western lowland gorilla and the Eastern lowland gorilla. Mountain gorillas are the darkest in color, followed by the Eastern gorilla, and the western gorillas respectively.

The scientists studied the expression of the Bmp4 gene due to the molecular basis in the size and shape of the beaks.

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 [...]

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 [...]

Another solution to the problem of delivering food to cities, as viewed through the lens of agritecture, is the creation of vertical farms.

Then, the chi-squared test was performed to determine if the differences between the observed and the expected number of eggs laid on each bean were statistically significant.

In plants, the waxes are found on the cuticles, fruits, and leaves among other parts of the plants. In this light, bees and spermaceti produced the animal wax that was the main source of wax [...]

The largest desert on the Earth is the Sahara which is located in the northern part of Africa. One of the key characteristics in the formation of deserts is the temperature and the distribution of [...]

Bronislaw Malinowski is often cited as one of the first practitioners of this method during his research of the people of Papua New Guinea.

Attenborough starts by stating that deserts cover one-third of the Earth, and they are not always hot because of the external factors such as the Siberian winds, for instance, and because of the extreme changes [...]

The primary goal of this video is to emphasize the interdependence between the attitude of educator and the children. The data has to be descriptive and analyzed in the context of the research.

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.

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.

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.

The purpose of this paper is to discuss the importance of the Tel Burna site, the methodology employed by the archeologists, and the contributions made by the project.

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 [...]

All societies have rules of exogamy as they are needed to determine the relatives that are regarded as forbidden marriage and sexual partners.

We will analyze the results of the arrangement about populace development, the proportion amongst men and women, and the proportion between grown-up kids and elderly guardians.

The reader is able to use this vivid substantiation of claims to understand the author's need to introduce the aspect of God who is at the center of these natural happenings.

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 [...]

One of the main concerns that lead to docking is to avoid incidences of urine and feces accumulating under the tail of the sheep.

In the autumn season, the animals become healthy, and this is the time when nomads sell their animals and buy supplies for themselves, which they have to keep for another season of the year.

Huang succeeds in the way he expresses his ideas to support the thesis and shows how his book title suits the events that unravel throughout the book.

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 [...]

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 [...]

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 [...]

Psychoanalytic theorists perceive that behavior is purely superficial characteristic, and the analyses of the symbolic meaning of behavior and the in-depth functioning of the mind is prerequisite for understanding development.

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 [...]

Since the construction of a borehole is a tedious and expensive process, it is imperative that the water extracted meets the requirements for its use.

The curious mind of Pierre on why a substance seemed to defy a scientific law started the journey that led to the discovery of polonium and radium.

The changes in perception of entomophagy demonstrate the promotion of new contextual meanings of consuming insects that play a crucial role in representing the concept of fear in cinematography.

Thus, the Lamarckian theory affirms that the giraffe's long neck resulted from the constant stretching in the attempt to access the higher foliage. Similarly, Darwin's theory argues that the giraffes consisted of the long necked [...]

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 [...]

The foremost rationale of the report is to seek and provide an elaborate explanation concerning the meaning of the "Mandate of Heaven".

This essay will argue that free range animal products are more beneficial to the consumer as compared to corn fed livestock products.

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.

The advanced intelligence of dolphins, as well as their developed abilities to communicate, refers to their need to communicate. What is more important is that interaction of dolphins with humans is also of great interest [...]

However, it is important to note that Darwin's evolutionary theory caused a revolution in the field of paleontology and this was because the fossil record turned out to be the only available source of evidence [...]

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 [...]

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. [...]

Dose response The impacts of the mosquito hazard have called for a measure to use a pesticide to control the breeding and the ultimate population of the mosquitoes in the city.

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

However, the study revealed that simple human societies pass various survival techniques to their offspring especially in resource sharing and general way of life.

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.

However, it is possible to claim that Giacomo Leopardi is the greatest supporter of the idea that animals are superior to people.

The polar bear is a native of bear found within the Arctic Circle that encompass the Arctic Ocean at the North Pole and the adjacent land.

Ronca showed the impacts of 12 weeks of glucosamine supplements on people with knee pain, indicating the same progress in clinical and functional trials in the cure of placebo subjects. The study of the effects [...]

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 [...]

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 [...]

The following essay will review the ways in which this species is invasive and harmful to the state of Florida. They are not willing to implement the same measures of lowering the number of iguanas [...]

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.

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.

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.

Adaptive evolution is contributed by mutation and Selection, which helps the bacteria to produce enzymes that denature the effects of the antibiotic.

The discovery of the spatial structure of DNA undoubtedly made a decisive contribution to the development of modern biological science and related fields.

Hence, it is crucial to be aware of the inheritance pattern of albinism and the higher incidence of the disorder in certain ethnic groups.

The city of Surrey, River Fraser, and the Cascadia faultline have always made up the characteristics of the region together with its artistic beauty. The painting is a beautiful landscape of the Fraser River in [...]

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.

In this article, I would like to talk about an animal that appeared due to a cross between a lion and a whale and can be called a "whale lion".

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.

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.

The current paper aims to discuss the biological structure and behavior of squirrel monkeys based on the analysis of academic and popular literature and personal observations.

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

To sum up, oxygen enters the blood through the process of breathing atmospheric air and travels from the nasal cavity through the trachea and bronchi into the lungs, and then, enters capillaries and erythrocytes.

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.

However, the basis has remained unchanged; namely, the addition of a dienophile to a diene by 2,4-conjugation allows the preparation of non-aromatic homocyclic with one multiple bonds in them.

However, such access should be given only after in-depth research into the psychological nature of the perception of the results and the reduction of possible harm to the participants' health.

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.

However, regarding the title of the article, the examination of the gel formation is missing in the abstract, and several questions about the chosen research process emerge. The next section in the article is devoted [...]

Species do not truly exist in nature due to evolution and the interconnected essence of existence; therefore, the concept is purely subjective.

First, information is processed in sensory memory, which perceives sensory events for a couple of seconds to determine whether the information is valuable and should be kept for a longer period. As information goes through [...]

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.

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

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 idea that the threat of having a cockroach infestation is in direct proportion to the elevation of the room remains a common misconception. The issue of cockroach infestation is not to be underrated.

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 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 [...]

The experiment with chimpanzees proved animals perceive the reflection in the mirror as their own since they viewed and touched the red marks applied during sleep that could only be seen in the mirror.

The main functions of the testes are to produce testosterone which is main male sex hormone and generating sperm. The epididymis refers to the long, coiled tube at the back of the testicles.

According to the anatomical characteristics of humans the ability to produce speech was pursuant to them. They lived among hominids which noise and sounds they tried to come after.

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.

The target behavior in the experiment comprises of a lever-pressing action by the rat to obtain food from the feed in response to the auditory signal.