Free Biology Essay Examples & Writing Tips. Page 2

568 samples

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, [...]
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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.
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The Characteristics and Importance of Nervous System

The nervous system is rightfully considered to be one of the most complicated and significant systems of the human body, which is responsible for the quality communication and interaction between the organs.
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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.
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  • Words: 869

How SCOBY Changes Its Environment: Lab Experiment

The means of SCOBY growth in black tea, green tea, chamomile tea, and distilled water are not significantly different. The means of SCOBY growth in black tea and distilled water are not significantly different.
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The C-Fern Plant Laboratory Experiment

The fusion of the male and female gametes results in the formation and development of a sporophyte, which shifts to the diploid generation and the devolvement of spores.
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Microbiology and Its Role in Healthcare

Microbiology, as a broad scientific field, entails an array of concepts and issues that are of pivotal relevance to health care as a whole and the science of pathophysiology, in particular.
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Lipids: Fatty Acids and Glycerols

The membrane, made up of lipids, facilitates the fluid movement and transportation of the vital elements of the cell. A lack of these vitamins in the body leads to various diseases and conditions.
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Process of Gene Expression

One of the major mechanism through which gene expression is altered is addition where a base pair is added to the normal sequence hence changing the specificity of the protein that the code specifies.
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  • Words: 1123

OECD-GLP Guidelines: Toxicological Tests

During and after the duration of exposure, the observational studies, biochemical analyses, hematological tests, and histological studies that were conducted on the rats show that the biological responses in the rats did not differ significantly [...]
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  • Words: 2275

“Why Study Photosynthesis?” by Devens Gust

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.
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The Evolution of Insect Wings

This theory states that wings developed from a section of the legs of wingless insects. According to Carpenter, wings developed from gills through the evolution of gene expression with similarities between winged and wingless insects.
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  • Words: 2695

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".
  • Pages: 2
  • Words: 534

A Brief Discussion of Animal and Plant Cells

In plants, important cells such as the parenchyma cells help to store materials and support the process of photosynthesis. Cells found in the leaves of most plants fundamentally assist the plant to absorb the necessary [...]
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Characteristics of Adult Development

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.
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  • Words: 1311

Vitamin A: Description and Usage

Vitamin A found in fruits and vegetable is referred to as Provitamin A carotenoids, these vitamins A are converted into retinol in the body where one molecule of beta carotene produces two molecule of Vitamin [...]
  • Pages: 2
  • Words: 509

Earth Atmospheric Evolution

It is believed that the different geological evolutions of the earth and the atmosphere have come up with very new species of animals following a transformation of the then existing animals, as well as extinction [...]
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  • Words: 1719

Pros and Cons of Use of Pesticides

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.
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  • Words: 581

Biochemistry Dogmas and Their Impacts on Biotechnology

Unlike in the past, people have seen the importance of studying life sciences, and with the support from private and public sectors, the number of students enrolling in life science courses is on the rise. [...]
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  • Words: 591

The Biological Basis of Sleep

The authors suggest that it needs more accurate measurement of sleep and wake pattern by the use of the electrooculogram, the recording of the movement of the eye, EEG and electromyogram, the recording of the [...]
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The Impact and Applications of Microorganisms in Human Life

Microbes can be used to prevent infections and also to improve the taste and aroma of food products. Microorganisms are also used in industrial microbiology to produce biotechnological products and the components that go into [...]
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Bacterial Growth Curve Laboratory Experiment

To identify changes in a bacterial population in each of the four stages of a growth curve. To determine the actual growth rate of a bacterial culture by constructing a growth curve.
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Understanding Protists Through Sketching and Analysis

Sketching the six species of protists is helpful to provide a more in-depth understanding of how they function, feed, and reproduce. This helps to understand their role in the whole organism and the formation of [...]
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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.
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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 [...]
  • Pages: 6
  • Words: 1927

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 [...]
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  • Words: 857

Identification of Escherichia Coli Bacteria

Identifying microbes is the process of determining the species or type of a microorganism based on the study of cultural, morphological, biochemical, serological, and pathogenic properties.
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  • Words: 1510

Bacteriophages in Modern Science

The use of bacteriophages does not limit the use of other drugs and does not affect their effectiveness. It is one of the problems of preclinical studies in many animal models and clinical studies in [...]
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  • Words: 565

Biology of the Invertebrates: Malaria

They have rapid reproductive rates and the ability to switch sexes according to their environment and the contents of the trunk in which they find themselves, in contrast to the malaria parasite.
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Escherichia Coli-Related Articles Review

The goal of the current study was to identify the frequency of Escherichia coli in poultry meat, the sequence of antimicrobial resistance it exhibited, and its molecular mechanism.
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Traps: Artificially Designed or Modified Cells

CAR protein receptors were created on modified red blood cells that attracted the virus and allowed it to enter the cell, but this was then a dead-end strategy for viral replication.
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The Fermentation Process of Olives

That is why the fermentation process is especially necessary to create an edible product from this fruit and it is close to those used for other products, such as sauerkraut. This step is completed to [...]
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Molds vs. Yeasts: What Are the Differences?

Secondly, superficial mycoses affect the topmost layer of the skin and hair, whereas cutaneous mycoses affect deeper layers of the skin, hair, and nails. Systemic mycoses infect vital organs, whereas superficial mycoses can be found [...]
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The Amplification of DNA Samples

The isothermal amplification of nucleic acids represents a simplified process that allows for the quick and efficient accumulation of nucleic acid sequences in an environment of constant temperatures.
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Learning Biology in the Time of Virtual Education

Thus, the paper investigates the ways of learning biology in the age of social media and virtual education. The paper addressed the ways of learning biology in the age of social media and virtual education.
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Biodiversity: Aspects Within the Sphere of Biology

Finally, living objects consist of cells, which are the basic units of their function and structure. The viruses' structure depends on which nucleic acid is included, which denotes that there are DNA and RNA viruses.
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Application of DNA in Criminal Forensics

In phylogenetic studies, the analysis of DNA from fossil remains allows one to determine the taxonomic identity of a species, while in forensics, one can find the connection between traces and the perpetrator or the [...]
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Voltage-Gated K+ Channels: Key Functions

K+ channels are a family of related proteins found in the neurons' plasma membrane and are responsible for controlling the flow of potassium ions in and out of the cell.
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Wildlife Management and Extinction Prevention in Australia

This paper investigates the threats to wildlife in Australia and strategies for managing and preventing their extinction. In summary, this paper examines the threats to wildlife in Australia and outlines strategies for managing and preventing [...]
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Literature on Invasive Plants in the United Kingdom

This essay entails a literature review to understand the nature, impacts and control of the "big four" invasive plants in the United Kingdom: Japanese knotweed, Himalayan balsam, giant hogweed, and rhododendron. The outline for the [...]
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Bacteria Classification and Assessment

A Gram stain is a common test to classify bacteria in blood, urine, or the infection site. In other words, the goal of antibiotics is to support the immune system in the treatment process.
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The Human Family Tree Development

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.
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A Light Microscope: Function and Usage

In the optical microscope device, a beam of light hits a specimen located on a slide and then travels through a system of mirrors into the objective. The use of optical circuits inside the eyepiece [...]
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Menopause and Associated Anatomical Changes

Menopause is characterized by a reduction in the production of certain hormones, such as estrogen and progesterone, which affect the anatomical structure of organs such as the uterus and ovaries.
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Metabolic Responses to Exercise

Recent discoveries bring up new insights on the processes by which muscles connect with other organs and modulate the positive effects of physical exertion due to the application of molecular approaches to the biology of [...]
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The Origin of Olives and Their Medicinal Uses

The history of the olive tree involves numerous events, from becoming one of the leading commodities in ancient Greece Olive to being spread around the world and used in food, pharmacological, and skincare industries.
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Yersinia Pestis: Mechanism of Streptomycin Resistance

This experiment makes a significant contribution to the study of the problem of resistance of the bacterium responsible for the occurrence of plague, investing in the development of a more effective method of treatment.
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“Pécis: Sociobiology” by C. Nickerson

The article has the following ideas that explore the essence of sociobiology. Of particular interest is the issue of gender inequality that arises from the field of sociobiology.
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Energy Balance and Expenditure

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.
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Aspects of Lactic Acid Bacteria in Wine

Virdis et al.argue that they are frequently the result of yeast and microbial metabolism and are changed and generated in wine throughout the fermentation.
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Lucid Dreams Aspects Nature Analysis

Lucid dreams are dreams in which a person realizes that he is dreaming but can be an active participant in the scenes taking place in the subconscious.
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Somatosensory Cortex and Perception of Touch

The somatosensory cortex is the sensory part of the brain that includes all sensations received from the skin and mucous membrane and all sensations received from the hands and joints.
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Anatomy of Neuron and Neuroplasticity

Neuroplasticity, also known as neural plasticity or brain plasticity, is a process in which the brain undergoes adaptive structural and functional changes.
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A Biological Science Innovation Article Analysis

The most intriguing aspect of the article "Research that shines light on how cells recover from threats may lead to new insights into Alzheimer's and ALS" by Brian Andrew Maxwell is that it offers information [...]
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Diversity and Extinction of Cyclura Lewisi

One of the biggest risks to the population of this species is wild animals. The Grand Cayman blue iguana population is gradually expanding and is predicted to continue to rise as a result of continuing [...]
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Interesting Aspects of Brain Development

One of the most important brain developments concepts is neuroplasticity, which is the ability of experiences to impact the structure and activity of the brain.
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Distribution of the Native Natural Species in Australia

Some of the factors that affect the ratio of the distribution of native plant species within the Australian states include human activities and environmental conditions such as temperature and solar exposure, and duration.
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Methods of Finding and Identifying Dinosaur Fossils

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 [...]
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The Occupational Exposure of Crude Oil Tank Cleaning Workers

The proposed research aims to critically assess the occupational exposure of crude oil tank cleaning workers in the Sultanate of Oman to benzene, toluene, ethylbenzene, and xylene and evaluate the effectiveness of existing control measures.
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  • Words: 548