Biology Essay Examples and Topics

Bio Diversity and Future of Our World

Living things are known to have varying characteristics, even when they belong to the same species. Climatic conditions are not the same in every part of the world. Therefore, animals and plants are known to exhibit different characteristics in different regions. On the same note, adaptations to different requirements for survival have been known to […]

Drug Mescaline Peyote

Peyote is a tiny plant that does not have a spine and it grows in arid and semi-arid areas and mostly on soils that are rich in limestone. Psychedelic found within Peyote is known as Mescaline and the drug is common in Texas and Mexico (Tuner, n.d). This paper focuses on the relevance of mescaline […]

The Diffusion of a Cell

Summary The primary goal of this research was to evaluate the effects of cholesterol on diffusion properties. Scholars use multiple methods to show the movement of the cholesterol particle to diffusion point. The use of solvents and fluorescence microscopy aimed to show the biophysical mechanism in the diffusion process. Cholesterol is an important player in […]

Genetic experimentation and development

Introduction Genetic experimentation and development have the prospect of initiating a number of alterations as well as benefits to the human being. In addition, the genetic developments have the ability of creating new living things, prevent emission of toxic wastes as well as provide cure to various ailments. Further, through the utilization of genetic tools, […]

A Study of “Escherichia Coli”

Bacteria present a world that is constantly under study in the search for better understanding of life and its processes. The cells are being examined in “microfluidic devices” that allow for movement and create an environment to observe the interaction between cells, as well as internal mechanisms and reactions (Mosier & Cady 1). The division […]

Cell Membranes

The cell membrane is a biological layer that acts as a barrier between a cell’s interior and its exterior environment. Cell membranes act in a selectively permeable manner. This means cell membranes have the ability to control the entry and exit of substances in and out of their interior structure. Some organic ions and molecules […]

In Vitro Fertilization and Pre-implantation Genetic Diagnosis

Introduction In Vitro Fertilization (IVF) is a successful treatment for purposes of infertility and in couples who are in need of Pre-implantation Genetic Diagnosis (PGD) so as to assess genetic abnormalities of their potential offspring. These two procedures can also be used by couples who do not have fertility problems. In these instances, IVF and […]

The Cane Toad

Introduction The Cane Toad was introduced from the tropical island of Hawaii in the year 1935 by one of Australia’s bureau, The Sugar Bureau Experiment Station. Cane toads were introduced as a measure to curb the problem of the native cane beetle otherwise known as Domolopedia albohirtum. The toads were first bred in captivity and […]

Case study: karyotype results

Interpretation of the karyotype results Chorionic Villus Sampling (CVS) results with short term and long term cultures show that the foetus has an added copy of chromosomes more than the normal 23 pairs in the examined metaphases. From the two, it is evident that the karyotype is due to the addition of an extra copy […]

Concept of Bioethics in Society

The classical assumption in the discipline of bioethics is that the field is concerned with the dilemma of determining the most ethically appropriate action in the healthcare setting. However, in the modern times, bioethics has taken a different turn to incorporate broader thinking. Several authorities have sought to change the way contemporary bioethics is approached. […]

Inventions and Discoveries

Introduction Invention can be defined as a final result of imagination which could have originated from a mere conception or from experimental researches. Discovery on the other hand is initial or primary acquisition of a given idea or information by an individual. As invention gives credit to the person who performed the act as the […]

Ecosystem Report (Geelong Botanic Garden)

Introduction Ecosystem comprises of biotic and biotic factors that are present in a given environment. The biotic factors are the living organism such as microbes, plants, and animals, while the abiotic factors are nonliving components like water, air, rocks, soil, sunlight, and topography. The interaction of biotic and abiotic factors in a certain environment occurs […]

History Of Biotechnology

Introduction Biotechnology can be defined as a technology that utilizes “biological phenomena for copying and manufacturing various useful substances” (Smith 3). Biotechnology was initially an artisan ability and not a science. This technology involved producing beer, cheese and bread among other related products, where processes were carried out in an accurate manner. These processes were […]

Pets and people

Introduction Love can be considered to be a strong emotional attachment between individuals or animals. It entails displaying attributes such as selfless loyalty, compassion, kindness and affection to others. This is a condition experienced by human beings and animals. Over the years, there have been questions as to whether animals are capable to love. There […]

The Melanin Theory

Melanin theorists purport that black people are more superior to the whites (Cashmore and Jennings 181) because they have greater quantities of melanin. They attribute whites’ alleged “inhumanity” and “inferiority” to lack of melanin. Melanin theorists also maintain that melanin bestows upon people of color some superhuman abilities. The theorists are unanimous that melanin is […]

Evolution of Predator and Prey Pairings

Introduction The world is undergoing various transformations in order for all species to adapt to the inevitable changes on the environment. This has led to cases of inventions and innovations as human beings strive to find better ways of fitting in the society. On the other hand all other living things are undergoing evolution albeit […]

Vertical Stratification

Stratification is an ecological term referred to various parts of a system that can be broken down into several layers (Hutchinson & Skelly, 2010). In community context, stratification refers to the manner in which life forms are arranged in a vertical array. Ecologists have identified light as a major factor that determines this vertical structure […]

Exotic Species Threat

Islands such as Madagascar, Galapagos, New Zealand, the Hawaiian Archipelago, and Australia, have a large population of widespread and specialized flora and fauna. Islands are geographically isolated, a factor that hinders migration of species from the mainland into the islands. This enables conventional organisms in the isle to grow without being attacked by predators and […]

Earth Atmospheric Evolution

Introduction Because of forces that are beyond human control, the earth’s atmosphere has been undergoing gradual changes, a process called evolution. It is evident based on historical facts as laid by archeologists and geologists that all the constituents of the earth have changed with time. This change can be realised upon considering the various geological […]

Types of Tress in Alaska

Introduction Alaska remains as one of the most ecologically diverse regions in the globe with key ecosystems that are highly sensitive to both natural and human interference. A closer look at Alaskan forests further reveals a region that holds diverse vegetation with highly varied geologic history and evolutionary progression. The main habitats in Alaska that […]

Cell Culture Technique

Biological advancements have contributed to the improvement of society in various forms. Biomedical research which forms the foundation for spectrum of inventions/discoveries, has its origin in techniques like cell culture. Cell culture involves creating an artificial environment of growing that mimics the natural one in all the characteristical features in a laboratory. So, growing the […]

Transpiration Process in Plants

Transpiration refers to the loss of water by plants through tiny pores called stomata. In addition, at times, plants lose water through stems, flowers, branches, or roots. Depending on the particular plant’s adaptation, the stomata location on the leaves surface varies. For most plants, the stomata are located on the undersides of the foliage to […]


Discussion Domestication is a process where wild animals and plants are transformed in a genetic state to adjust to certain characteristics which benefit humans. In a simplest sense, it can be described as the early stage of human mastery of wild species of plants and animals. The basic difference between domesticated plants and animals from […]

The Research and Use of Stem Cell Embryos

Stem cell research has been in existence for over two decades. Though a controversial topic, policies on the limits of Stem cell research are clear. Policies of governments across the globe vary on the legality of the prohibited and allowed research and use of stem cell embryos. Despite the fact that most of research on […]

The Cryo-Electron Microscopy Structure of a complete 30S Translation Initiation Complex from Escherichia coli

Summary In their paper Julian et al (2011) notes that creation of composite structures of 30S is a necessary step in monitoring of gene forms. In the article “The Cryo-Electron Microscopy Structure of a complete 30S Translation Initiation Complex from Escherichia coli” Julian and others utilized Escherichia coli to illustrate the choice, precise start up […]

Bioinformatics: Pathogen Profiling Efforts

Rapid molecular profiling for multi-resistant Staphylococus aureus (MRSA) spa typing as a bioinformatics approach is currently being practiced as a dependable method replacing the alternative traditional approaches used for hospital acquired infection control. By applying bioinformatics, microbial genomics are integrated with clinical data to achieve groups of patients who belong to the same outbreak cluster […]

The Right Brain versus the Left Brain

The human brain is a core organ in the body. It influences a wide range of human activities such as learning, communication, memorizing and other biological processes. The human brain consists of numerous parts, which enable it to achieve its functions. Each part of the brain carries out a function in order to enhance the […]

Ethnobotanical Uses of Plants

Introduction Plants have many uses in people’s lives and are essential in many aspects of human life. In the prehistoric times, man relied on natural plants to satisfy his basic needs such as food, clothing, and shelter. Prior to the development of agriculture and domestication of plants, the hunter-gatherers derived their livelihoods directly from wild […]

Darwin on the Origin of Species

Evolution by natural selection is considered the backbone of biology. It is proposed that modern students should have time to read the literature of naturalists regarding their perception of evolution. This is endorsed by Charles Darwin and Alfred Lussel Wallice. Darwin commenced his superb creativity in evolution by natural selection with the initiative of divergence. […]

Evidence for ancient endosymbiosis

Research question and hypothesis Endosymbioses have remarkably changed the eukaryotic life processes, while it has impacted negligibly on prokaryotic evolution. In this paper by examining the flows of protein families, I try to proof that the double-membrane, gram-negative prokaryotes derived from a symbiosis between an archaic clostridium and actinobacterium. The subsequent taxon has been efficient […]

Functional Analysis of KV1.2 and Paddle Chimera Kv Channels in Planar Lipid Bilayers

Introduction Functional Analysis of KV1.2 and Paddle Chimera Kv Channels in Planar Lipid Bilayers is a scientific article written by Xiao Tao and Roderick MacKinnon and devoted to the role of voltage-dependant K+ channels during the process of shaping electric signals in excitable and nonexcitable cells. The peculiar feature of these channels is that they […]

Interesting Findings on the Brain Development in the Childhood

Introduction Brain is the vital organ coordinating our activities and life. The problem of brain functioning and development has still a lot of areas for research. Nowadays, we have more questions than answers on the problems of brain functioning. However, the scholars presented interesting findings on the brain development in the childhood. The aim of […]

American Hornbeam (Carpinus caroliniana)

Carpinus caroliniana is a medium sized tree whose genus is carpinus. It is a member of the betulaceae family. Its usual height is between 20 and 30 feet but it can grow up to 40 feet. Its common names include ironwood, blue beech, water beech, American hornbeam, musclewood, and muscle beech. It is native to […]

Bioremediation Technology

The breakdown decomposition degradation or removal of toxic contaminants from the environment is called bioremediation (Aislabie, 2012). Microorganisms are introduced into the contaminated soil to carry out normal functions (Nester, 2001). Microorganisms act on the contaminated soils to neutralize the contaminants. The organisms include bacteria, fungi, and plants to mention a few (Perfumo, 2007). The […]

Pros and Cons of Use of Pesticides

Introduction Environmentalists and scientists have put a lot of efforts and energy towards discovering and understanding more about the safety of use of pesticides and possible repercussions in the future. Some support while others disagree on the use of pesticides. In this paper I am going to discuss the pros and cons of the use […]

The Spiders Relationship

According to the University of Cincinnati, changes in weather and environment can result to alterations and scarcity in food sources. Consequently these changes might affect behaviors of some species (para. 2). The female wolf spiders also biologically referred as Schizocosa ocreata are commonly found in the eastern side of United States and Canada. When approached […]

The Human Cloning Debates

Introduction Human Cloning is a universal phrase, giving a description of any procedure that creates or manufactures a precise genetic imitation of a biological object, together with a DNA sequence, a cell, or an organism. However, elementary consistencies like genes and cells have been cloned by Scientists for years. Currently, great quantities of regular biological […]

Vegetation Sampling – Barton Road

Abstract Previous studies have revealed quite an interesting phenomenon that occurs in the semi arid lands in western United States. Sagebrush steppe (Artemisia tridentata) is a foundation plant in the Great basin of USA (Inouye 606). This species is ill adapted to the environment is usually vulnerable to environmental effects such as wild fires and […]

The Relationship Between Loss of Bone Mass and Deficiency in Vitamin D After Hematopoietic SCT

Introduction This paper reflects a summary of an article on the relationship between loss of bone mass and deficiency in vitamin D after hematopoietic stem cell transplantation (SCT). G. Massenkeil, C. Fiene, R. Michael, W. Reisinger and R. Arnold compiled the article in collaboration with Department of Internal Medicine, Division of Hematology and Oncology, Clinic […]

Neural Stem Cells, Viral Vectors in Gene Therapy and Restriction Enzymes

Neural Stem Cells The nervous system is comprised of specialized type of cells called Neural Stem Cells (NSCs). These cells undergo differentiation and proliferation resulting to a mass of undifferentiated cells. This progeny then undergoes differentiation into the many cells of the nervous system. From neural stem cells, cell of central nervous system such as […]

Grass and its importance

It is an interesting fact that everything that surrounds people has been created by nature for humans and animals to use at own disposal. Plants and other living creatures are food for carnivores and people are no different. Everything that people survived on were plants that could be eaten and animals that had meat to […]

The Nervous System

Introduction The nervous system is made up of cells. Various receptors and effectors in different parts connect these cells. The nervous system consists of two parts, including the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS is divided into the brain and the spinal cord. The PNS consists of the nerves […]

Biochemistry Dogmas and Their Impacts on Biotechnology

The world is vastly growing into an incorporated global economy driven by technological astuteness, innovation, the urge for entrepreneurship, and an education whose foundation lies in both natural and social sciences. There is no doubt that with the rising social problems, people have resorted to research and education in order to solve problems. In various […]

Natural Selection Compared to Sexual Selection in the Animal World

Importance of Trifling Morphological Characters Animals do not just have colors for beautification. Various animals have colors and tints that help them to survive in the harsh conditions of the jungle. Predators are always looking for food to eat. In this regard, animals usually have colors and tint that are similar to the surrounding environment […]

Methicillin-Resistant Staphylococcus Aureus (MRSA)

Methicillin-resistant Staphylococcus aureus is a Staphylococcal bacterium that is impervious to a collection of antibiotics referred to as beta-lactams. Beta-lactams include antibiotics such as methicillin, amoxillin, penicillin, and oxacillin (“CDC – Methicillin-resistant Staphylococcus aureus (MRSA) Infections”). Methicillin-resistant Staphylococcus aureus are also unaffected by cephalosporins (Chang 4). Several factors contribute to antibiotic resistance in bacteria. These […]

Introduction to botany

Taxonomy and Linnaean classification The taxonomical classification of grasses is shown below; Kingdom; – Plantae Phylum; – Magnoliophyta (angiosperms/ flowering plants) Class; – Liliopsida (monocotyledonous plants) Order; – Poales (Graminoid order) Family; – Poaceae (grass family) Genus; – Poa Species; – Various species Introduction, Physical Description and Geographical Range Grasses can be described as herbivorous […]

How the Brain Lies

Our brain usually stores memories in a quirky way and this often results in deception. The mode of storage of the information is quite different from that of the computer. In the brain, the information is always stored in the hippocampus once received at the first time. When a person remembers something, the brain rewrites […]

The Biological Basis of Sleep

Introduction Sleep is a mental and physical state in which one becomes inactive and unconscious of the environment around him or her (Borbély, 2003). In the real sense sleep is just a partial disconnection from the world in which outside stimuli are obstructed from the senses. Normal sleep is indentified by a general reduction in […]

The Pesticide Problem and Proposed Solution

Conservation and Preservation Difference Though the two terms are often used interchangeably, they have different meanings. Conservation refers to the use of a resource in a way that such resource is not put to waste. Conservationists therefore promote applications of the subject elements for developments on the condition that the existence of such elements will […]

Falling in Love as Part of Natural Selection

Love is a concept that no one is neutral about as its meaning varies among individuals. Nonetheless, since it is a frequent source of pleasure and pain, there is one thing that cuts across all the notions on this intricate issue. Individuals often feel attracted to one another, to animals, or to innate materials all […]

Essentials of Biodiversity

Introduction The study of biodiversity stems from the subjects of ecology and evolution, from where it derives its two main objectives. The first objective is to understand how the natural systems operate and are ordered (Bernhardt 2). The second objective is to understand how the systems were derived. The study of biodiversity entails various important […]

An Experiment on Antibiotic-resistant Bacteria

Abstract This experiment was aimed at investigating the effects of MSa bacteriophages on such antibiotic-resistant bacteria as Staphylococcus aureus. At the very beginning, it was hypothesis that MSa bacteriophages would either destroy the bacterium or suppress its growth. We can say that the findings only partially support the initial hypothesis because this research has several […]

Vaquita – An Endangered Species

Introduction The vaquita is a small naval creature found in the Gulf of California and is in danger of extinction. Very few people have gotten the opportunity to see this species and many people may not be able to see it now that its existence is threatened. The vaquita looks like a curved stocky porpoise, […]

Vaquita – Endangered Species

Introduction The vaquita is a small marine mammal found in the Gulf of California which seems to be endangered. Very few people have gotten the opportunity to see this species and many people may not be able to see it now that its existence is becoming extinct. The vaquita looks like a star curved stocky […]

Whether or not Human Cloning Should be Allowed

Introduction Cloning can be defined as the process of producing an embryo which has similar genes to its parents and implanting it to a surrogate mother. A number of organizations have also given slightly different definitions for cloning. One such definition is that cloning is the preservation of cells in cultures to produce tissues, organs […]

Algae Interaction

Introduction Biological interactions can be defined as the effects an organism has on the others in a common ecosystem. Basically, no organism can survive as an ‘island’ lest it ceases to exist. Biological interactions are vital for the normal functioning of an ecosystem. As such, this leads us to identifying the kind of interactions that […]

Biological Concept of the Hunger’s Nature

Hunger is a biopsycological process that is critical for organisms to survive. It is a biological process because it involves metabolic processes and hormones. It is physiological that in that it creates a physical need that has to be satisfied. The hypothalamus is the brain part that is responsible for controlling the hormonal function in […]

The effect of glucosamine supplementation on people

Abstract Glucosamine supplementation has mainly been focused by many researchers to establish its benefits and effects on people experiencing joint pains especially in the knee due to cartilage damage or osteoarthritis. Some tests have been carried out involving patients with knee pain of unknown origin. They performed the tests for 3 months while assessing their […]

Strawberries History

Introduction Strawberries are sweet supple red fruits with surfaces that are seed-studded. They come from a low-growing plant belonging to genus Fragaria of the rose (Rosaceae) family, enclosing white flowers, lobed foliage, and runners. They originate all through the north temperate zones. They are the most famous and trendiest fruits in the planet (Roger). There […]