1255 samples of this type
Primates are the group of mammals. This group consists of such animals as monkeys, lemurs, and apes. Humans are primates too. What is more, humans are the most recent category of primates. Although humans live all across the globe except Antarctica, the majority of primates inhabit tropical and subtropical areas....
Evolution History Evolution is the theory that stipulates how changes occur among living organisms through the method that proves that all life is connected. From the time evolution was proposed, it has since been accepted, not as a theory, but as a fact. However, various theories are used to prove...
Introduction While the human race takes great pride in the progressive nature of each subsequent civilization, there exist aspects from past civilizations that are hailed as marvels in the civilization process (Harris 2001). While some of this aspects gain their prominence primarily due to their impact on cultural and social...
All bacterial species are divided into two main groups that are gram-positive and gram-negative. Such division is possible with the help of Gram’s methods based on the evaluation of the physical and chemical properties of bacteria’s cell walls and the detection of peptidoglycan (Ward, 2016). Clostridium is a Gram-positive bacterium....
Peer Review The authors of the article chosen for the analysis focus on the problem of biodiversity and its connection to thiamine, also known as vitamin B1 deficiency. The reason for such discussion is the observation that many wildlife populations continue declining at rates, and the threats to biodiversity turn...
The latest advances in such fields as biotechnology, genetic research, as well as pharmaceutical discoveries have resulted in a series of unexpected outcomes. Hence, scientists point out the increased level of drug resistance in certain bacteria and animals. In other words, some of the strains of bacteria have become completely...
Description In this passage, Pliny talks about mistletoe, a parasitic plant that is mostly found growing on oak trees. The author notes that mistletoe can also grow on other trees apart from the oak such as turpentine trees and wild pears. It is noted that there are different strains of...
Concepts Phyletic gradualism is one of the theories that try to stress more on the genetic mutation and how one species can change to another totally different species through a combination of its better genetic features. The change seems to be slow and take quite some time before a total...
Origin Myths In the myths of the tribes inhabiting South America, there are multiple metaphors including those depicting the role of humans, animals, and objects of nature. These figurative images reflect the social beliefs of these nations. For instance, they show the role of a man and woman in society;...
The Hopi culture is unprecedented in their understanding of the archaeological sites and their cultural implications. The unique blend of geographic landmarks with their symbolic significance and ancestral ties coupled with the unusual non-linear perception of time is the reason their culture has enjoyed special attention from the scholars. The...
Industrial fermentation is the way of making products useful to people by the use of the microorganism’s fermentation. Fermented products can be generated in food and other industry sectors. One of the most common examples of employing fermentation in the industry is producing alcoholic drinks and dairy products. This type...
Spatial planning is one of the issues that are of great concern to policy-makers in Belgium. Currently, this country is strongly affected by such trends as increasing population, the growing necessity to protect cultural heritage, and transformation of former industrial zones (Gropas 2014). Therefore, it is vital for local communities...
A random sample presupposes that all the elements of a particular frame are given the same selection probability. A random sample can be of great use in creating and analyzing surveys carried out among the customers of a particular company. A stratified sample is probabilistic. It is utilized when every...
Introduction: Global Warming Is Coming The issue of climate changes not new; it has already been on the agenda of the world ecologists in 1990s, and in 2010s, the issue seems to have gained a new significance. The phenomenon is traditionally defined as a “process strongly affecting the water resources...
Introduction There is a close relation between field research and qualitative research. However, the observations made while conducting field studies may either be presented as quantitative or qualitative data or both. The data recorded by field investigators are highly dependent on whether it is qualitative or quantitative. Qualitative observation This...
The region of Central Asia has been a focus of the world’s political and economic attention due to its rich oil and gas resources. Ever since the 19th century when the natural riches of the area were first detected the region became a target for the dominant powers of the...
Introduction: The Use of T-Tests in Nutrition Studies Used to find out whether there is a difference between two groups of numbers, a t-test is an efficient means to conduct a mathematical analysis (Keller, 2011). Obviously useful in a number of fields, a t-test is essential for the evaluation of...
The article under consideration Thousands of Birds Found Dead along Alaskan Shoreline is written by Seth Kovar and Steve Almasy. It addresses the relevant issue, namely the death of the birds in Alaska because of starvation. However, it should be highlighted that the primary reason is somewhere deeper. The major...
South-Eastern Asia is one of the most actively developing regions in the world. In spite of the fact that the majority of countries in this region are traditionally discussed as underdeveloped in relation to the economic and political factors, the situation has changed significantly during the 2010s (Butts, Mitchell, &...
There are various speculations about the possibility of a significant natural disaster that can take place in California in the near future. In particular, it is often assumed that this state may eventually fall into the ocean due to the influence of some forces. One should keep in mind that...
The stability of weather can be explained by the air fronts. The constant motion of the air masses, each having different densities and temperatures, predisposes the creation of specific weather conditions (Lutgens and Tarbuck 445). Maritime air masses are moist volumes of air, with an impressive (thousands of miles) area,...
On the whole, water management is one of the job skills that are of great importance to many organizations and institutions that can be both public and private. It should be noted that this area incorporates the elements of different disciplines; for example, one can speak about hydrology, geology, planning...
An ocean gyre can be defined as a system of ocean currents, which exist in a constant rotating movement. As far as the cause of the ocean gyre is concerned, wind movements are traditionally mentioned as the key factors causing the phenomenon (Lutgens and Tarbuck 312). Though the phenomenon of...
The concepts of climate and weather are closely related to each other; the key distinction between the two is that climate is attributed to a particular region and even a certain season, whereas weather is not (Lutgens and Tarbuck 339). Among the six elements of weather, temperature, humidity, perspiration, atmospheric...
Though both a tornado and a hurricane are fraught with terrible consequences, both in terms of material damage and the possible injuries, when choosing between the two, I would rather face a hurricane than a tornado. There are several reasons for the choice that I have made, yet a comparative...
The concept of the hydrologic cycle is, perhaps, known by everyone over the age of eight. The fact that the three states of H2O, i.e., the solid (an ice cube), the liquid (water) and the gaseous ones (vapor) can be observed daily in the everyday environment makes the hydrologic cycle...
Protecting the Habitat of Endangered Bird or Timber Logging? Walker and David argue that every person is required to protect the endangered species because; they have a duty to protect the earth, including these birds, for future generations (127). The societies do not possess the species, but they are charged...
Introduction The increase in human population and economic activities has directly or indirectly affected the environment. Global environmental change refers to the transformation in the physical and biochemical features of the environment such as soil, water and biodiversity. The change may have occurred naturally, or, in many cases, influenced by...
Introduction The purpose of my PSAs was to answer the question on how the car emissions affect the global warming. It has been noted that in the UK, the environmental problems, such as these emissions, cause various health problems to the people. The emission by the cars is seen to...
Agriculture is the key sector in America that has conquered global exports in the world. Currently, America has put in great agricultural thought in the world. This paper analyzes America’s contribution in prevention of natural calamities, decline of soil quality, promotion of production outlay and provision of sufficient food. According...
A Scientific theory provides a vivid explanation of various aspects of the natural world (Suppe 32). It uses substantial facts that have undergone confirmation through numerous experimentation and observations. The hypothesis of the natural world, on the other hand, argues that the explanation of the world lies not in science...
Hertz-sprung-Russell diagram is a disperse chart of stars correlating the stars luminosities against their spectral types and effectual temperature. Through this diagram, temperatures are measured in Kelvin’s ranging from 3000 to 30,000. Similarly, the magnitudes of the stars range from +15 to -10. The stars luminosity and effective temperature are...
Introduction According to Coffey & Atkinson (1996), data analysis is the “systematic procedures applied by a researcher in order to identify any essential features and relationships in data being considered” (p. 9). Data analysis procedures depend on whether it is qualitative or quantitative. Quantitative data analysis tends to employ deductive...
Introduction All animals are characterized by a unique reproduction cycle, behavior, and social structure. Members of the same species share such bithe ological and social characteristic hence the reason why each species is distinct and unique. Gorillas are a group of mammals classified as primates. The same group contains humans,...
Introduction Environmental groups and other secular entities often emphasize the importance of natural and uncultivated land. However, this may not always get to the root causes of environmental degradation. Essentially, restoration must take on a small scale approach so that individual efforts can be combined to make a huge impact....
Introduction The challenge of waste disposal has affected both the developed and developing world for years. In urban areas, the situation is worse as more complex forms of garbage are being produced. The state is spending billions of dollars in its efforts to use modern forms of waste disposal, as...
The global warming and the melting of the glaciers on our planet has been one of the most discussed issues of the last several decades. The effects of the melting started to be noticeable and it began to worry the scientists. After many researches and measurements the geologists came up...
Natural versus anthropogenic climate changes The wealth of information acquired by environmental scientists across the world has revealed that the current state of global climate change is attributed to both natural and anthropogenic climate changes. Natural climate changes occur in cycles in the world, and they are caused by the...
Background For over half a century now, governments around the globe have legislated against specific dog breeds for various reasons, particularly based on the vicious attacks on human beings and other domesticated animals. The increasing dog population up to about 68 million in the United States has escalated the fear...
The article Our True Dawn by Catherine Brahic describes the challenges that appear to modern scientists while trying to trace our relatives. The author also describes the difference in methods used by scientists. For geneticists to determine the period of splitting humans from apes means to specify exactly the time...
Introduction To a large extent, common chimps as well as bonobos tend to display characteristics that are similar to those witnessed in human beings. Despite the fact that the two primates are very much alike, it is assumed that there more similarities between bonobos and human beings. Arguably, bonobos and...
Introduction The development of resistance among pathogens such as bacteria and fungi has challenged the development of safe and effective drugs. Specifically, the emergence of antibiotic-resistant bacteria due to excessive use and abuse of antibiotics in the healthcare settings and agriculture is posing a great danger to the survival of...
In 1948, William Albright, who is one of the popular archaeologists claimed that the discovery of the Dead Sea Scrolls was one of the chief breakthroughs in the 20th century (Berg, 2009). The scrolls were found in a cave in the neighborhood of Khirbet Qumran. There were a number of...
Introduction The use of pesticides, herbicides, and fertilizers for crop production is called conventional farming. Farmers use convectional farming system to grow large quantity crops such as rice, grains, and genetically modified crops. Hydroponic farming utilizes chemicals and liquid fertilizers to facilitate plant growth. While consumers prefer hydroponic vegetables and...
The book under analysis is called How to Lie with the Statistics. It is written by Darrel Huff. This book is not his work first work. There were also Career Story of a Young Commercial Photographer and The Dog that Came True. However, only the book under analysis became a...
Various inequalities existing in the modern world have become a subject of research done by anthropologists, historians, and researchers. The film Guns, Germs, and Steel which is based on Jared Diamond’s book presents a conjecture according to which the inequalities can be attributed to environment differences among regions. This paper...
Introduction Chlorine is element number 17 and is found in group 17 and period 3 of the periodic table. It is a greenish-yellow pungent, poisonous gas, and is very reactive. It has two isotopes, one with a mass number of 35 and an abundance of 75.75% and the other one...
Southern blotting can either be used in the determination of small fragment of a single gene or a large DNA sequence such as part of the genome of an organism. Therefore southern blotting is an invaluable tool in DNA technology. This method was discovered in the 1970s by Edward Southern...
Introduction It has been reported lately that more than a third of the entire population of bees in the United States died out this summer of 2009. Christian Science monitor reports, “Suddenly, the bees farmers and growers rely on are vanishing. Researchers are scrambling to find out why”. (Velasquez-Manoff, 1)...
Genetic control in human The branch of biology that deals with variation, heredity, and their transmission in both animals and the plant is called genetics. Just about every week, news about genetic disorders, such as breast cancer, alcoholism, obesity and manic depression, are at the for-front. Such news make us...
Cloning is the “manufacture” of an organism identical to one that already exists. Several types of cloning are practiced among human beings: these are reproductive cloning, therapeutic cloning, and replacement cloning (Playing God?, par 2). Although Cloning has given rise to several social-ethical implications, especially in the matters concerning family,...
The advancement in technology and science has helped man over the years to come up with miraculous cures and inventions; profitable to the mankind in all ways possible. One of the major reasons of the exponential growth in population is the sharp decrease in mortality rates all over the world;...
Modern society has been equipped with the technology that has revolutionized almost every aspect of life. In Science and Medicine, latest advancements have become a remedial source for various health related problems. However, it is well known that controversy exists or surrounds science through several forms. Due to this, new...
According to Robert M. Sapolsky, human beings feel that they are unique, unlike other species. This has been questioned by studies that have been done on other primates. Theodosius Dobzhansky, an evolutionary biologist, viewed that all species are unique. According to him, humans are unique; thus, they feel more proud...
Introduction As of today, the practice of genetic engineering continues to remain highly controversial. In its turn, this can be explained by the fact that there are a number of the clearly defined ethical undertones to the very idea of inducing ‘beneficial’ genetic mutations to a living organism. After all,...
