Natural Sciences Essay Examples and Topics. Page 7

2,235 samples

How Animals React to Their Reflection in Mirror

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.
  • Subjects: Zoology
  • Pages: 2
  • Words: 583

Substitution Reactions of Alcohols: Practical Experimentation

The experiment aims to illustrate the way substitution reactions of alcohols transpire. In particular, the experiment aims to illustrate the way 1-butanol undergoes nucleophilic substitution reaction resulting in the formation of 1-bromobutane.
  • Subjects: Chemistry
  • Pages: 9
  • Words: 2290

Micrococcus Luteus Detection Experiment

Microbial Physiology, the branch of microbiology responsible for the study of these enzymes, employs a spectrum of tests that detect the known set of enzymes unique to each species of microbe.
  • Subjects: Biology
  • Pages: 2
  • Words: 401

Decaffeinated Coffee Is Not Caffeine-Free

This is what triggered the research fronted by the Professor to determine the degree of caffeine in decaffeinated coffee brands, in the market.
  • Subjects: Chemistry
  • Pages: 5
  • Words: 1405

Camel Racing and Nutrition

The ability of camels to digest a lot of roughage is due to the existence of micro-flora. Roughage is the main source of diet for camels.
  • Subjects: Zoology
  • Pages: 3
  • Words: 871

Analysis of the Brine Shrimp

The Brine shrimp, which is also known as the Sea monkey, has been used in the modern world as food for fish and is of high quality because it can be grown using the aquaculture [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 811

Inhibiting Grass Growth by Salt

The practice results in an increase in concentration of salt in the soil and/or accumulation of salt on the foliage. Road salt inhibits the growth of grass.
  • Subjects: Biology
  • Pages: 2
  • Words: 591

Flash Chromatography Overview and Analysis

Pour the elution solvent to the silica gel then, using a gas pump, force the solvent through the silica. Without disturbing silica's top surface, the dissolved sample in the elution solvent is then gently applied [...]
  • Subjects: Chemistry
  • Pages: 2
  • Words: 607

Seawater vs. Brackish Water Reverse Osmosis

The concentrations of seawater and brackish water differ considerably; hence, there is a distinction involving the concentrate acquired from seawater desalination plants and brackish water desalination plants.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 539

Ethical Issues Behind Feeding People With GMOs

Genetic engineering is the amendment of the genetic composition of a particular organism or simply the adjustment of an organism's transmissible matter in a bid to produce desirable characteristics.
  • Subjects: Genetics
  • Pages: 10
  • Words: 2814

Evidence of the Evolutionary Process

The unearthing of fossils and their study, biogeography which informs us of similar species of trees and animals in various parts of the world and the reasons for such an eventuality, embryology and the study [...]
  • Subjects: Evolution of Humans
  • Pages: 7
  • Words: 2032

Environmental Microbiology Overview

When managed properly in accordance with the five principles of good management, they provide a number of benefits that include: Detoxification of wastewater Capturing renewable resources such as energy and water Sensing pathogens in the [...]
  • Subjects: Biology
  • Pages: 12
  • Words: 3298

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

Human Circulatory System and Evolution

The coronary circulation involves the movement of blood through the tissues of the heart while the systemic circulation involves taking blood to all the rest of the body tissues and back to the heart".
  • Subjects: Biology
  • Pages: 2
  • Words: 534

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 Six Elements of Geography

It is situated in the north of Montreal and south-western Quebec and has a distinct administrative area. In addition, this economic sector has served as a significant source of revenue to the Quebec administration.
  • Subjects: Geography
  • Pages: 3
  • Words: 809

Red Sea Whales Characteristics Review

Red sea whales are rare because they originate from oceans most of them do not stay in the red sea for long they move from one place to the other.
  • Subjects: Zoology
  • Pages: 2
  • Words: 639

Analysis of the Demographic Changes in Texas

According to Murdock Assessing the consequences of the population on the pace and process of economic growth is one of the oldest themes in the literature on economics.
  • Subjects: Geography
  • Pages: 2
  • Words: 534

Band versus Tribal Society: Anthropological Contrast

A band society or a band is one of the simplest patterns of human society organization. The oldest member of the band is considered to be the leader and the "governor" possessing the right for [...]
  • Subjects: Anthropology
  • Pages: 2
  • Words: 535

Scientist Charles Darwin & Evolution

By the year 1846, Darwin had a number of publications relating to zoological and geological discoveries of his expedition works that catapulted him in the scientists front rank.
  • Subjects: Evolution of Humans
  • Pages: 5
  • Words: 1361

Dendrochronology and Tree-Ring Studies in Archaeology

The majority of general factors that avoid the use of dendrochronological dating include: An insufficient quantity of rings, the existence of a group inappropriate for dating through dendrochronology, the lack of convincing indication of chronologies [...]
  • Subjects: Archeology
  • Pages: 11
  • Words: 2661

Rome as a Significant City in the World

Rome is the capital city of Italy and the most populated city in Italy. The city is located in the middle of the Italian Peninsula along the Tiber River.
  • Subjects: Countries Studies
  • Pages: 8
  • Words: 2099

Epigenetics Influence on Adopted Embryos

The exciting news is the role of epigenetics or influence of the adoptive mother's body has on the DNA of the embryo as it grows using the mother's nourishment, energy, and systems.
  • Subjects: Genetics
  • Pages: 4
  • Words: 1158

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

Introduction to Microbiology: Escherichia Coli

This type of E.coli is included in a class of dangerous E.coli, called enterohemorrhagic.E.coli O157:H7 was discovered in 1982, during a severe outbreak of bloody diarrhea, associated with the consumption of contaminated hamburgers. The hemolytic [...]
  • Subjects: Biology
  • Pages: 8
  • Words: 2465

Global City Status Issue

The following are features of a global city; the first feature is that of the city being international that is well known all over the world.
  • Subjects: Geography
  • Pages: 9
  • Words: 2274

Selfhood in C. Laderman’s and C. Levi-Strauss’s Works

His books include The Raw and the Cooked, The Effectiveness of Symbols, The Savage Mind, Structural Anthropology and Totemism. Laderman describes her feelings under the trance in such a way: As the vibrations of the [...]
  • Subjects: Anthropology
  • Pages: 15
  • Words: 3541

Medical Anthropologists in Singer and Baer’s View

I think that if there is some unreasonable rule of behavior in contemporary society, the best way to implement a change that will be ethical and culturally accepted is through communication.
  • Subjects: Anthropology
  • Pages: 1
  • Words: 339

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

Bacteria and Their Positive and Negative Effects

However, the described assumption is quite far from the truth, with a significant number of bacteria being not only useful but also essential to the functioning of the human body and the sustenance of life.
  • Subjects: Biology
  • Pages: 1
  • Words: 335

Geography, Mapping, and Cartography

Geography can be defined as the science that studies the distribution of human and physical features over the Earth and explains the relations between them.
  • Subjects: Geography
  • Pages: 3
  • Words: 828

The Mayan Civilization in Diamond’s Theory

According to Diamond's theory, the rapid growth of the Mayan civilization resulted in the maximization of its population and the need for more food, which, eventually, caused overhunting, overfishing, deforestation, and destruction the soil.
  • Subjects: Anthropology
  • Pages: 2
  • Words: 525

The Intelligence of Human and Non-Human Animals

After assessing the evidence, it is argued that if the language is understood as a structured system of signs that is used conventionally in order to communicate meaning, then it is possible to state that [...]
  • 5
  • Subjects: Zoology
  • Pages: 6
  • Words: 1710

The San People’s Culture and Kinship

Thus, according to the kinship of the San people, women's right also counts in major decision making of the society. The kinship of the San people is very different from that of my own society.
  • Subjects: Anthropology
  • Pages: 2
  • Words: 577

Aging and Its Cultural and Ethnic Factors

The main idea that I am going to promote throughout the paper's entirety is that the aging-related issues cannot be referred to as such that represent the value of a 'thing in itself' in the [...]
  • Subjects: Anthropology
  • Pages: 13
  • Words: 3602

Elephant Communication and Its Types

Of great interest in the paper will be elephants' seismic communication. In essence, elephants have the capability of generating both strong and weak sounds.
  • Subjects: Zoology
  • Pages: 16
  • Words: 4550

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

“Why Evolution Is True?” by Jerry A. Coyne

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.
  • Subjects: Evolution of Humans
  • Pages: 10
  • Words: 2858

Controversies on Darwin’s Theory of Evolution

Although there are many theories which explain the origin of the earth, Darwin's theory evokes strong responses due to the fact that it opposes religion and it does not meet all the requirements of a [...]
  • Subjects: Evolution of Humans
  • Pages: 3
  • Words: 967

Nature versus Nurture: the Simple Contrast

In the context of this essay, nature signifies the effect of genes in the DNA structure that are transferable from a parent to the offspring.
  • Subjects: Evolution of Humans
  • Pages: 4
  • Words: 1109

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

SOFAR Effects on the Marine Life

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.
  • Subjects: Geography
  • Pages: 2
  • Words: 599

Biosphere Evolution and Threats

The biosphere, however, overlaps between all the spheres that include the lithosphere, which is found on the surface of the earth.
  • Subjects: Geography
  • Pages: 3
  • Words: 867

Gene-Environment Interaction Theory

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.
  • Subjects: Genetics
  • Pages: 2
  • Words: 429

Blending Inheritance and Valid Concepts

The model of blending inheritance implies that the offspring gets the traits that equal to the average of the same traits in their parents.
  • Subjects: Genetics
  • Pages: 2
  • Words: 564

Archeology: The Enigma of Queen Hatshepsut

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.
  • Subjects: Archeology
  • Pages: 2
  • Words: 558

Switzerland Geography Profile

The three distinct mountains in the region are the Jura Mountains in the northwest, central plateau, and the Alps in the south.
  • Subjects: Geography
  • Pages: 2
  • Words: 659

Operant Conditioning in Dog Training

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.
  • Subjects: Zoology
  • Pages: 5
  • Words: 1714

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

A Study of “Escherichia Coli”

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.
  • Subjects: Biology
  • Pages: 2
  • Words: 515

History Of Biotechnology

In the course of the First World War, the processes of fermentation were set up in order to carry out production of acetone from the solvents of paints as well as starch to be used [...]
  • Subjects: Biology
  • Pages: 7
  • Words: 1908

The Latin American Region

As of now, some of the areas of Latin America are largely underdeveloped, and the people of these places have to face this challenge.
  • Subjects: Geography
  • Pages: 7
  • Words: 1902

Small Scale Farm-Household System

In general, a farm household system is comprised of the various parameters that govern the operation and sustainability of the system.
  • Subjects: Agriculture
  • Pages: 7
  • Words: 1919

Endothermic and Exothermic Animals

To understand the peculiarities of the thermoregulation system of the both types of animals, it is necessary to focus on the definitions of endothermic and exothermic animals.
  • 5
  • Subjects: Zoology
  • Pages: 2
  • Words: 596

The Origin of Man by Richard Leakey

When anthropologists realized that technology and the ability of the human mind exhibit different characteristics over time, they had to take a different approach in the quest to find the steps of evolution of mankind.
  • Subjects: Evolution of Humans
  • Pages: 8
  • Words: 2180

History of Deforestation

Alternatively, they would cut vital elements of the tree in order to cause the upper part of the tree to fall off gradually. The birth of the naval store affected the pattern of deforestation in [...]
  • Subjects: Agriculture
  • Pages: 7
  • Words: 2038

Hardy-Weinberg Equilibrium

Assortative mating outcome is the change in the frequency of allele and genotypes of a population. Over a long period, this would lead to the variation of the individuals in the whole population.
  • Subjects: Genetics
  • Pages: 2
  • Words: 589

Gender Anthropology

This is usually possible as women and men have different sexual organs and the disparity in the sexual organs of men and women explains the differences in both sexes.
  • Subjects: Anthropology
  • Pages: 5
  • Words: 1435

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

Hackleburg, Alabama Tornado

It is worth to note that the April 28 2011 tornado did have three major tracks in the state of Alabama.
  • Subjects: Geography
  • Pages: 3
  • Words: 1033

The Process of Raising Factory Farm Chickens

The lives of the chickens that are raised in the factory farm begin at the hatching machines. As such, the welfare of the chickens is secondary to profitability.
  • Subjects: Agriculture
  • Pages: 5
  • Words: 1454

The Whiteness of Nerds

The issue highlighted in the present article is the way racial markedness of certain groups of youth in the modern American society is achieved through the usage of certain linguistic forms, and the way this [...]
  • Subjects: Anthropology
  • Pages: 3
  • Words: 868

Marine Conservation and Coastal Development

The committee should comprise of a balanced membership for holistic review of the coastal development projects. The lack of legislation related to marine conservation is also a major setback.
  • Subjects: Zoology
  • Pages: 2
  • Words: 620

The Human Cloning Debates

Nonetheless, the scientists opposed reproductive cloning claiming that the practice undermines the uniqueness of humankind and that it is unethical to put the lives of clones in a condition of being susceptible to harm or [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 1197

The Lascaux Caves as World Heritage Sites

There are seven sections of the Lascaux caves namely: "the Great Hall of the Bulls, the Painted Gallery, the Lateral Passage, the Chamber of Engravings, the Main Gallery, the Chamber of Felines, and the Shaft [...]
  • Subjects: Archeology
  • Pages: 5
  • Words: 1422

Farming and Animal Consumption

In essence, debate on farming methods and animal consumption has been a challenge not only to farmers but also to the society. It is, therefore, necessary to consider that numerous changes would be required to [...]
  • 1
  • Subjects: Agriculture
  • Pages: 7
  • Words: 1931

Methicillin-Resistant Staphylococcus Aureus (MRSA)

The Centers for Disease Control and Prevention cite that of the 25% to 30% of people colonized by staphylococcus bacteria, only 2% has MRSA. Chang attributes colonization to the existing equilibrium between the presence of [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 1133

Clovis People Origin and Culture

The Clovis people came and settled in wide areas of North America; and nowadays, there are various studies, questions, and debates which concern the uncertain period they existed and their influence on the cultures of [...]
  • Subjects: Archeology
  • Pages: 7
  • Words: 1902

High Fructose Corn Syrup: Something to Be Avoided

However, it is important to keep in mind that the lifespan of the current generation is shorter, which is, no doubt, the result of the wrong diet that consists mostly of the food created artificially, [...]
  • Subjects: Agriculture
  • Pages: 4
  • Words: 1095

History and Culture of the Brazil

However, in rural areas wooden and prefabricated houses are common due to the availability of timber and lack of cement in such localities. This is because of the hot weather condition in most of the [...]
  • Subjects: Geography
  • Pages: 3
  • Words: 1044

Survival Mechanisms Of Wild Animals

Trinkel and Kastberger argue that, the foremost threat that is facing lions in the jungle is the intrusion of more carnivores because they can overwhelm lions and force them to migrate to other destinations.
  • Subjects: Zoology
  • Pages: 10
  • Words: 2925

Border Collie Dog Breed Information

So long as the movement of the Border Collies and the sheep is calm and steady, they can look for the stock as they graze in the field.
  • 4.5
  • Subjects: Zoology
  • Pages: 3
  • Words: 915

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

Germany; History, Geography, Legal and Politics

This includes the replacement of gold with white, the replacement of the entire flag with the swastika flag, the return of the black-red-gold flag by the allied forces, the inclusion of communist emblem, by the [...]
  • Subjects: Geography
  • Pages: 5
  • Words: 1364

Chemical and Physical Properties of Ethane

The gas is used in the manufacture of ethane. The industry uses ethane to manufacture ethylene, which is a crucial resource in the manufacture of plastics and other chemical products.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 550

Data Visualization and GIS Solutions

This software ensures the relative autonomy of the geoinformation systems and users of these systems by delivering the possibility of using software products for local and global cluster solutions.
  • Subjects: Geography
  • Pages: 4
  • Words: 1168

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

The Periodic Table: Structure, Trends, and Blocks

For instance, elements of period 3 have three electron shells, and their properties reflect the filling of these shells. S-block: Found on the left side of the periodic table, the s-block elements have their outermost [...]
  • Subjects: Chemistry
  • Pages: 6
  • Words: 1724

Plasmodium Falciparum Among Eukaryotic Microbes

In the human body, metamorphosis occurs, and the microorganism successively passes through the steps of schizonts in the liver, then turns into merozoites and acquires the ability to infect red blood cells.
  • Subjects: Biology
  • Pages: 2
  • Words: 668

The Broad Use of CRISPR CAS9 Gene Editing

The RNA molecules drive the Cas9 protein to the virus's DNA, where it creates a DNA-cut and inactivates the virus. The ability to treat genetic illnesses, which can have a large influence on society, is [...]
  • Subjects: Genetics
  • Pages: 2
  • Words: 498

Lucid Dreaming: Impact on Sleep Disruption

Since sleep lucidity requires enhanced metacognitive activity, defining the meaning when discussing thinking while awake and asleep is essential, cognition is the capacity and capability to function, in this case, while dreaming, in particular, are [...]
  • Subjects: Biology
  • Pages: 6
  • Words: 1927

Laboratory Techniques in DNA Manipulation

It includes the replication and production of numerous copies of the inserted DNA utilizing a vector, a DNA molecule capable of transporting foreign DNA, and a host organism.
  • Subjects: Genetics
  • Pages: 7
  • Words: 1202

Background Information on Epigenetics Research Paper

Another property of the gene is stability since the gene, as a discrete unit of heredity, is characterized by constancy - in the absence of mutation, it is transmitted unchanged over a number of generations.
  • Subjects: Genetics
  • Pages: 5
  • Words: 1037

Protein Sequence Determination

The peptide sequence was determined by subtracting the mass of two peaks that are not adjacent to each other starting from the right side of the provided mass spectrum graph, adjusting for C and N [...]
  • Subjects: Biology
  • Pages: 3
  • Words: 857