Natural Sciences Essay Examples and Topics. Page 10

2,295 samples

Ethics of Napoleon Chagnon’s Yanomami Tribe Study

More specifically, one of the most known anthropologists used a controversial approach in studying the everyday life of the Venezuelan tribe Yanomami concerning the falsification of facts and misinterpretation of cause-and-effect relationships.
  • Subjects: Anthropology
  • Pages: 2
  • Words: 589

Javan Rhinos: Wildlife Trading of Endangered Animals

Out of the five rhino species, Javan rhinoceros is the most threatened species despite being in the ecosystem for millions of years, playing a crucial role in shaping the landscape by its feeding style.
  • Subjects: Zoology
  • Pages: 6
  • Words: 1368

Memory: Its Functions, Types, and Stages of Storage

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 [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 507

Greece, Country Analysis: Location and Business Issues

Greece was selected due to its rich history and significance to the modern world as a first place to embrace reason. It is an agro-industrial country belonging to the category of developed ones.
  • Subjects: Geography
  • Pages: 5
  • Words: 1262

Atlantic City, the City in the United States

Atlantic City is a great city that provides an opportunity to grasp the whole place without spending a lot of time on the road since the city is relatively small in both size and population.
  • Subjects: Geography
  • Pages: 1
  • Words: 402

A Statistical Experiment: Junco Birds

The presence and content of 2-pentadecanone in the male may be related to the saturation of particular odors that excite the reproductive call of female birds.
  • Subjects: Biology
  • Pages: 2
  • Words: 596

Researching the Basics of Biology

Further, I will describe the three things I learned during the course: the structure and functions of proteins, Mendelian genetics, and genetically modified organisms.
  • Subjects: Biology
  • Pages: 3
  • Words: 839

Captive’s Statuettes of Ancient Egypt

In particular, they were used in the rituals of protection of the land and the king, which were conducted in temples to eliminate the enemies of the king of Egypt.
  • Subjects: Archeology
  • Pages: 2
  • Words: 586

Digestive Journey of Cheeseburger

The salivary glands contribute to the breakdown of the nutrients in the mouth while the pharynx directs the eats to the esophagus.
  • Subjects: Biology
  • Pages: 1
  • Words: 401

The Memory Formation Process: Key Issues

Hippocampus plays an essential role in the memory formation process because it is the part of the brain where short-term memories become long-term memories.
  • Subjects: Biology
  • Pages: 1
  • Words: 286

The RNA Interference: Application in Medicine and Research

The paper includes the concept of NOS in the understanding of RNAi and its application in medicine and research. In conclusion, I formed a particular picture of the world based on generalization, systematization, and coordination [...]
  • Subjects: Genetics
  • Pages: 1
  • Words: 350

Researching and Analysis of Peppered Moths

Coal air pollution in England in the 19th century made the environment for dark-colored peppered moths more favorable and degraded it for light-colored ones.
  • Subjects: Biology
  • Pages: 2
  • Words: 612

Adaptation to Stress of Endocrine and Sympathetic Nervous System

Stress is a non-specific body reaction that occurs under the action of various extreme factors that threaten the violation of homeostasis and is characterized by stereotypical changes in the function of the nervous and endocrine [...]
  • Subjects: Biology
  • Pages: 1
  • Words: 395

Should Cloning Be 100% Legal or Illegal?

After all, an embryo is recognized as a living organism, and for cloning experiments, embryo cells would have to be killed in the research.
  • Subjects: Genetics
  • Pages: 1
  • Words: 434

Researching the Earthquake

Due to human activity, artificial earthquakes occur, and their number increases every year following the strengthening of destructive human impact on the planet.
  • Subjects: Geography
  • Pages: 1
  • Words: 313

Mitosis and Genetic Makeup of Different Species

As the centromeres of a cell align among the spindle equator, the genetic material of the maternal cell is duplicated, which allows for the two daughter cells to emerge.
  • Subjects: Biology
  • Pages: 3
  • Words: 878

The American Crow Species Analysis

The information in the article is very reliable as the study was conducted through a scientific procedure to reach a conclusion.
  • Subjects: Zoology
  • Pages: 2
  • Words: 859

Neuroethics, Its Meanings and Main Topics

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.
  • Subjects: Biology
  • Pages: 1
  • Words: 372

Genetic Modification and Cloning

Even though it is hard to predict all the outcomes of genetic modification and cloning, I would suggest using CRISPR Cas9 in treating retinal diseases such as the one described in the case study.
  • Subjects: Genetics
  • Pages: 1
  • Words: 402

Iris Flowers Species and Their Classification

Data mining regarding the classification of iris flowers will be important in identifying the existing iris species, outlining the structural differences between the various species, identifying the possible causes for the differences, and underpinning potential [...]
  • Subjects: Biology
  • Pages: 12
  • Words: 2341

Membrane Hands-on Laboratory Report

The egg cell was applied in the experiment because of its properties. The experiment was conducted as a kitchen science experiment.
  • Subjects: Biology
  • Pages: 4
  • Words: 1176

Viruses: Reproduction and Adaptation

However, viruses cannot sustain themselves and are not capable for independent replication, hence, it is not a living organism. To conclude, viruses are on the boundaries of the living and non-living area.
  • Subjects: Biology
  • Pages: 1
  • Words: 293

Microbiological Analysis: Lab Report

This type of medium is standardly used to isolate Gram-negative bacteria, with a source of nutrients in the form of carbon and nitrogen from the casein hydrolysate that is part of the C-CNA.
  • Subjects: Biology
  • Pages: 1
  • Words: 520

History: Evolution of Humans

The first picture demonstrates the areas of the settlement of modern humans' predecessors, namely, Homo erectus, Homo neanderthalensis, and Homo sapiens, as well as the times of the migration of Homo sapiens to different regions.
  • Subjects: Evolution of Humans
  • Pages: 2
  • Words: 623

“Ghost in the Genes” Video Review

Epigenetics enables the appropriate study of the factors that significantly impact the functioning of the cells that may lead to the turning on and off of different genes present in the cells.
  • Subjects: Genetics
  • Pages: 2
  • Words: 554

Microbial Growth and Effect of pH on It

The above principle is used in this laboratory work, the aim of which is to evaluate the effect of the pH of the medium on the growth of microorganisms.
  • Subjects: Biology
  • Pages: 5
  • Words: 1137

Editing the Genome of Human Embryos: Pros and Cons

This study has not yet been finalized to the extent that scientists can allow it to operate in the conditions of real people. In this regard, scientists should continue to work on the development of [...]
  • Subjects: Genetics
  • Pages: 1
  • Words: 404

Microbiology: Aspects of E Coli

E Coli is a common type of bacteria that is found in the intestines of human beings and the gut of several animals.
  • Subjects: Biology
  • Pages: 2
  • Words: 676

The Cancer Cell Development: Causes and Sources

Loss of function of suppressor genes resulting from mutations becomes the cause of cancer development: the cell divides abnormally, increasing the cell mass of the tissue.
  • Subjects: Biology
  • Pages: 1
  • Words: 474

The Role of Microorganisms, Biotechnology

Today, the field of their use in human life is so vast and diverse that it makes an invaluable contribution to the development of such industries as health, industry, and the functioning of the environment.
  • Subjects: Biology
  • Pages: 1
  • Words: 391

Ancient Chinese Contributions

These four areas of innovations contributed greatly to the growth and massive transformation of China up to the current time. The use of Fireworks/gunpowder has changed the face of the world in regard to warfare.
  • Subjects: Countries Studies
  • Pages: 3
  • Words: 836

Biological Taxonomy: Classification of Microorganisms

This discovery invalidated the eukaryote-prokaryote dichotomy by revealing the concise division of the 16S rRNA tree into three primary branches, which was later distinguished as the three life domains: Eukarya, Archaea, and Bacteria.
  • Subjects: Biology
  • Pages: 2
  • Words: 681

Continuous Cell Lines and Primary Cell Cultures

One feature which is common for both types of cell models is the tissue of origin both of them stem from, which means that to some degree, they share the same genetic makeup.
  • Subjects: Biology
  • Pages: 1
  • Words: 344

Biohybrid Actuators: Compare and Contrast

The introduction also encompasses the description of the researchers' procedure, addressing the aim of examination and stimulation of the electrical signals in plants.
  • Subjects: Biology
  • Pages: 3
  • Words: 846

The Role of the Dietary Lipids in the Organism

This is achieved when one-third of vegetable and two-thirds of animal fats are used in the diet. The sources of dietary lipid in food are fats used in food preparation and those contained in food.
  • Subjects: Biology
  • Pages: 2
  • Words: 645

First Reptiles Adaptation: Amniotic Egg Evolution

The amniotic egg evolution is an adaptation that allowed the first reptiles to thrive in a dry land the development occurred over 300 million years ago. The robust shell protects the egg from drying out, [...]
  • Subjects: Biology
  • Pages: 1
  • Words: 336

Japanese Agricultural Policies

To cope with the hardships of food supply, Japan needs a flexible and robust regulation in the food and agricultural fields.
  • Subjects: Agriculture
  • Pages: 4
  • Words: 787

Information About the USA States’ Boundaries

The dependent variable was the ability to identify and mark the member states on the provided blank map. On average, the participants correctly identified 23 states on the map, with three people labeling all 50 [...]
  • Subjects: Geography
  • Pages: 3
  • Words: 685

Genetic and Genomic Technology

Positive results mean that a patient has been diagnosed with the disease, and so treatment is essential to ensure the patient's good health.
  • Subjects: Genetics
  • Pages: 3
  • Words: 949

Kenya, East Africa: History and Geography

Kenya is an East-African country bordered on the northern sides by Ethiopia and South Sudan, Lake Victoria and Uganda to the west, Tanzania to the south, and the Indian Ocean and Somalia to the east.
  • Subjects: Countries Studies
  • Pages: 7
  • Words: 711

Study of the Concept of Thermoregulation

The body's response to such signals often results in sweating, one of the most visible manifestations of the thermoregulation in the human body.
  • Subjects: Biology
  • Pages: 4
  • Words: 373

Long Island Excavation Site Report

Thus, in this particular report, the interpretation of the findings discovered during the excavation is strictly subjective, based partially on the existing knowledge of similar sites and the regional specificities.
  • Subjects: Archeology
  • Pages: 6
  • Words: 1726

Nervous System and Human Capacities

The central part of the system is located in the brain and spinal cord, and all reactions appear there, while the peripheral one operates all over the body to deliver the signals to the organs.
  • Subjects: Biology
  • Pages: 1
  • Words: 418

Weather Analysis for Vancouver, British Columbia

Referring to the weather map, Vancouver was at the northern periphery of the anticyclone and the cyclone's warm sector. The weather was characterized by the wind from the east at 16 km/h.
  • Subjects: Geography
  • Pages: 2
  • Words: 587

Anthropologist James Deetz and the Tobacco Trade

He noticed that there was a variation in the size of the bore stems and thought to himself that maybe there is a correlation between the bore stem size to the year it was created [...]
  • Subjects: Anthropology
  • Pages: 2
  • Words: 549

Percent Composition of Calcium in Salt: Gravimetric Analysis

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, [...]
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1126

Agriculture and Its Social Origins

Despite the advantages of old methods of finding food and the disadvantages of agriculture, the transition could occur due to the human factor.
  • Subjects: Agriculture
  • Pages: 3
  • Words: 760

SCN8A-Related Epilepsy – Genetic Seizure Disorder

The paper contains the discussion of the standardized procedure for this diagnosis, suggests how the present experience would affect the medical practice concerning this kind of epilepsy.
  • Subjects: Genetics
  • Pages: 7
  • Words: 1930

Reproductive Performance of Transgenic Atlantic Salmon

The article's findings showed that in terms of spawn participation, quivering frequency, and nest fidelity, captively reared transgenic counterparts were outperformed by wild anadromous males.
  • Subjects: Zoology
  • Pages: 1
  • Words: 366

Molecular Genetics: Gene Sequence Homology

The emergence of the Mendelian genetics in the 19th century and the discovery of DNA structure by James Watson and Francis Crick in the 20th century have paved the way for the development of molecular [...]
  • Subjects: Genetics
  • Pages: 5
  • Words: 1261

Indigenization of Australian Libraries

Australian libraries have, in some ways, contributed to the misrepresentation and underserving of the Indigenous community, which has overarchingly perpetuated levels of distrust towards information systems.
  • Subjects: Anthropology
  • Pages: 45
  • Words: 12901

Native Dune Systems vs. Man-Made Beach Structures

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 [...]
  • Subjects: Geography
  • Pages: 20
  • Words: 5002

Cockroach Infestation: Essential Findings and Solutions

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.
  • Subjects: Zoology
  • Pages: 2
  • Words: 624

Stoichiometry and Process Calculations

The method used to determine the unknown compound is called Gravimetric analysis. According to Helmenstine, the gravimetric method is used to measure the compound's mass.
  • Subjects: Chemistry
  • Pages: 1
  • Words: 344

DNA Cloning and Sequencing: The Experiment

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 [...]
  • Subjects: Genetics
  • Pages: 2
  • Words: 573

Strengths and Weaknesses of an Artificial Kidney

First, artificial kidneys are claimed to prolong the lifespan of patients with kidney problems. Artificial kidneys are hoped to improve the convenience, and effectiveness of dialysis.
  • Subjects: Biology
  • Pages: 6
  • Words: 902

Researching the Physiology of the Eye

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.
  • Subjects: Biology
  • Pages: 4
  • Words: 1122

Lymphatic System Analysis

Due to the anatomy of the lymphatic system, it is sometimes thought to be part of the main circulatory system in the body.
  • Subjects: Biology
  • Pages: 2
  • Words: 568

Production of Human Protein

In the production of human insulin, scientists use recombinant DNA technology to insert insulin DNA into bacteria, which under optimum environments multiply into numerous replicas containing insulin. This is done in order to facilitate replication [...]
  • Subjects: Genetics
  • Pages: 5
  • Words: 1389

PH Titrations & Buffer Solutions Experiment

The objective of this experiment was partly to determine the behaviour of PH curve of a triprotic acid and hence determine its pKa value, and on the other part to determine the concentration of an [...]
  • Subjects: Chemistry
  • Pages: 7
  • Words: 986

Competition in Nature Observation

For example, it can be between plants and plants or animals and other animals or animals and plants, whereby the survival of one is threatened or lowered by the existence of another especially when there [...]
  • Subjects: Biology
  • Pages: 4
  • Words: 1276

Anatomy of the Brain: Key Issues

Some of the basic parts of the brain include the cerebral cortex lobes namely; the temporal lobes, the frontal lobes, the occipital lobes, the parietal lobes, the prefrontal cortex, and the limbic system.
  • Subjects: Biology
  • Pages: 5
  • Words: 1375

New Gene Discovered That Stops Spread of Cancer

At this point, it is crucial to mention that the discovery by the Salk institute is just a beginning of a long scientific journey that is anticipated to culminate in a comprehensive and conclusive study [...]
  • Subjects: Genetics
  • Pages: 3
  • Words: 795

DNA Microarray Technology and Applications

These DNA microarrays are used by scientists in order to determine the appearance levels of a big number of genes, and also to the manifold region of a genome.
  • Subjects: Genetics
  • Pages: 9
  • Words: 2608

Medical Breakthrough: The Bionic Eye

The development of the bionic eye came as a result of the impacts of retinitis pigmentosa. The camera sends the images to a bionic implant that is attached behind the eye.
  • Subjects: Evolution of Humans
  • Pages: 5
  • Words: 1423

Preparation of Polymers and Polymer Modification

The hypothesis of the second experiment process was that Elmer's Glue changes into a rubber-like material from a glue-like substance. After the second process of combining Borax solution with Elmer's glue, a rubber-like material was [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 568

Discussion on Lab Report an E. Coli Bacteria Lacz Gene

A synthesizing buffer was added to provide the suitable environment required for the synthesis of the new DNA strand. The addition of T4 DNA polymerase was to facilitate the hybridization of the old and the [...]
  • Subjects: Genetics
  • Pages: 2
  • Words: 563

Improving Stress Resistance in Agricultural Crops

The biotechnology involved in producing such crops faces many difficulties and there are a lot of considerations of the methods used to improve the crop's resistance that need to be assessed.
  • 5
  • Subjects: Agriculture
  • Pages: 9
  • Words: 2810

Concept of Neurotransmitters

Exercise stimulates the release of neurotransmitters that reduce anxiety and induce a slight sense of joy. Serotonin encourages delight to exercise regularly; after a long break, the stimulation decreases, and restart workouts become challenging.
  • Subjects: Biology
  • Pages: 1
  • Words: 347

P-chlorophenoxyacetic Acid-preparation of a Synthetic Plant Hormone

The chemical synthesis of 4-chlorophenoxyacetic acid is realized through the reaction of nucleophilic displacement between anions of the 4-chlorophenolate anion and chloroacetate, the product of interaction of which is subjected to acetic acid treatment.
  • Subjects: Chemistry
  • Pages: 2
  • Words: 778

Importance of the Brain in Human Body

The brain also provides a long-term storage memory where a reader may be in a position to recall the events that have taken place in the comprehension and the right order.
  • Subjects: Biology
  • Pages: 3
  • Words: 946

Migration of the Caribou Birds

With the first signs of a change of season, the herd rushes north as an indispensable condition for survival in the cyclical nature of life.
  • Subjects: Zoology
  • Pages: 1
  • Words: 304

Unique Functional Features of Blindsight

The findings are indicative of the fact that monkeys with striate lesions under standard conditions, where the target stimuli were delivered without the removal of the fixation point, did not move their eyes or saccade [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 648

Evolutionary Changes of Animals and Plants

This presentation will show how animals and plants evolved with time passing. It is critical to examine the factors that underlie these processes and their outcomes.
  • Subjects: Biology
  • Pages: 12
  • Words: 869

“The Frog Book” by Steve Jenkins and Robin Rage

In addition, the data is presented simply and interestingly, which attracts attention and makes children less tired of learning. It gives kids the necessary knowledge from the field of zoology in a simple and beautiful [...]
  • Subjects: Zoology
  • Pages: 1
  • Words: 279

Biodiversity and Dynamics of Mountainous Area Near the House

It should be emphasized that the term ecosystem used in this paper is considered a natural community characterized by a constant cycle of energy and resources, the presence of consumers, producers, and decomposers, as well [...]
  • Subjects: Geography
  • Pages: 6
  • Words: 1240

American Indians and Alaska Natives

It is necessary to give the child a choice and feel the consequences of it. This method of cognition is fundamental in the education of children of American Indians and Alaska Natives.
  • Subjects: Countries Studies
  • Pages: 4
  • Words: 1161

Native Grass Production: Benefits and Limitations, Management

The cool-season grasses grow appropriately in the spring and fall when the soil and air temperature are cooler. The native cool season grasses are therefore more excellent for farming in the native regions than the [...]
  • Subjects: Agriculture
  • Pages: 6
  • Words: 1670

Analysis of Ivory Coast: Aspects of Life

The inevitable consequence of unfavorable demographic trends in sub-Saharan Africa, the low income level of both States and the majority of the population is the extreme strain that the social infrastructure of the region and, [...]
  • Subjects: Countries Studies
  • Pages: 8
  • Words: 2315

The Universal Nature of Biochemistry

If the power between the two atoms is the same they share the electrons and form a covalent bond, but if one atom's power exceeds the other, then one loses the electron or electrons to [...]
  • Subjects: Chemistry
  • Pages: 4
  • Words: 1116

The Island of American Samoa

The Island of American Samoa lies south of the equator in the Pacific Ocean. As far as beauty is concerned, the island consists of dense tropical forests and hilly landscapes that create a magnificent view [...]
  • Subjects: Countries Studies
  • Pages: 3
  • Words: 920

Chlamydia Sexually Transmitted Disease

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 [...]
  • Subjects: Biology
  • Pages: 2
  • Words: 659

The Evolution of Human Skin Color

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 [...]
  • Subjects: Evolution of Humans
  • Pages: 1
  • Words: 374