Louis Pasteur's Germ Theory of Disease
Louis Pasteur and the germ theory of disease
Louis Pasteur was a French chemist-turned-microbiologist, who proved the existence of microbes in air. His pioneering studies laid the foundation for the modern-day understanding of diseases, their etiology as well as vaccine...
Microevolution Vs. Macroevolution - What's the Difference?
Microevolution vs macroevolution
Microevolution and macroevolution are considered to be small-scale and large-scale evolutionary changes respectively. This post provides some information about them and the difference between the two.
Understanding Mechanical Isolation with Examples
Mechanical isolation example
If not for structural differences in reproductive organs of species, interbreeding would have resulted in several extinctions. We will shed light on mechanical isolation and provide a couple of examples of the same to make it...
Gametic Isolation: Meaning and Examples
Gametic isolation meaning
A prezygotic barrier to reproduction, gametic isolation prevents fertilization, as the sperm cells of a species can't unite with the eggs of a different species. We will help you understand how this type of isolation works, by...
Polyploid Speciation Explained with Examples
Polyploid speciation examples
Speciation is an evolutionary phenomenon that involves the formation of a new species from the splitting of lineages (cladogenesis). While most of speciation events and processes are gradual and take a long time to manifest,...
Homozygous Vs. Heterozygous
Difference between homozygous and heterozygous
In an organism, zygosity is the level of similarity between the genetic alleles for a given trait. While few traits show the presence of just one allele (low variation), many others exhibit the presence of two or more alleles....
Reciprocal Cross Vs. Test Cross
Difference between reciprocal cross and test cross
In genetics, a cross refers to the breeding of individuals with distinctly dissimilar phenotypes in order to determine the zygosity as well as to decipher the inheritance pattern being followed. The most commonly used types, the...
Frederick Griffith's Experiment and the Concept of Transformation
Frederick Griffith's experiment
Transformation is a molecular biology mechanism via which foreign and exogenous genetic material is taken up by a cell and incorporated into its own genome. This phenomenon was first described and discovered by British...
Difference Between Micelles and Liposomes
Difference between micelles and liposomes
Micelles and liposomes are vesicles in which drugs can be trapped and administered more efficiently. However, these vesicles are not similar to each other. Buzzle compares micelles vs. liposomes in order to illustrate the...
Convergent Evolution vs. Divergent Evolution
Of the several confusions that persist in the field of evolutionary biology, one is that about convergent and divergent evolution. What exactly is the difference between the two?
A Guide to the Types of Natural Selection with Examples
Type of natural selection with example
Natural selection is the process that drives evolution of all organisms. It is manifested in various types of natural selection.
Levels of Organization of Living Things
The levels of organization of living things include cells, tissues, organs, organ systems, and organisms. This article gives details of these levels, and other related facts.
Understanding Batesian Mimicry with Examples
Batesian mimicry example
Batesian mimicry is a very interesting adaptation seen in our animal kingdom. Buzzle sheds some light on this amazing phenomenon, and also provides some examples for easy understanding.
Explanation of Reproductive Isolation with Examples
Explanation of reproductive isolation
Reproductive isolation refers to a set of mechanisms that prevent animals of the same group from breeding. These are reproductive barriers that do not allow the species to mate and produce offspring.
Differences and Similarities Between Stolons and Rhizomes
Difference between stolons and rhizomes
Stolons and rhizomes are integral parts of a plant that allow it to spread and reproduce. The former is slender and long, while the latter is thick and short.
Emergent Properties Explained in Context to Biology
Concept of emergent property
Emergent properties can be described as those properties that emerge in a complex system that are different from those of the components that make that system. Buzzle explains the emergent properties that exist in biology with the...
Differences and Similarities Between Chemosynthesis and Photosynthesis
Difference between chemosynthesis and photosynthesis
When discussing chemosynthesis vs. photosynthesis, one important factor that distinguishes these two processes is the use of sunlight. Chemosynthesis occurs in darkness, on the seafloor, whereas, photosynthesis requires light...
Genetic Drift Vs. Gene Flow Vs. Natural Selection
Difference between genetic drift and gene flow and natural selection
This Buzzle post tries to make an in-depth comparison of genetic drift vs. gene flow vs. natural selection - three of the four main mechanisms that have played a fundamental role in driving evolution forward.
Gene Flow Definition and Examples
Gene flow definition
Gene flow is responsible for the reduction of genetic variation in a population. This Buzzle post explains this phenomenon in detail and provides some examples of gene flow.
Synapomorphy: Definition and Examples
Synapomorphy meaning
The concept of synapomorphy explains why we are more closely-related to animals, than we think. But what is a synapomorphy?
Parasites that Control the Lives of their Hosts
Parasite that makes men arrogant and women outgoing
Nature is an amazing thing, with diverse creatures evolving constantly, adapting to all kinds of conditions, even in the harshest environment. Some critters have evolved to even live inside another animal and control their lives.
Cell Membrane Functions
Cell membrane function
Cell membrane is the outer covering of a cell that protects the internal organelles. Otherwise known as plasma membrane, it carries out various vital functions.
Geographic Isolation Explained with Examples
Geographic isolation example
Of the four geographic modes of speciation in nature, allopatric speciation, where the population of a species splits into two geographically isolated populations, is the most common. In this Buzzle article, we will see how...
Bottleneck Effect Vs. Founder Effect
Comparison between bottleneck effect and founder effect
Microevolution is the change in genetic frequency of an allele in a given population. This change arises due to a sudden and drastic alteration in the genetic variation of a population. These changes can be caused by two major...
Protozoa: Classification and Characteristics
Protozoa classification
Protozoa are single-celled organisms without cell walls. They are believed to be a part of the microbial world as they are unicellular and microscopic. There is a great deal to know about their classification, characteristics and...
Sequential Hermaphroditism in Plants and Animals
Example of sequential hermaphroditism - clownfish
If a hermaphrodite has both, male and female reproductive organs, a sequential hermaphrodite is one that can be either a male or a female, at a given time.
Explanation of Symplesiomorphy in Biology
Meaning of symplesiomorphy in biology
Symplesiomorphic properties shed light on an organism's ancestry, but do not help in its classification. Buzzle tells you what is a symplesiomorphy, using its definition and some examples.
What Does Zone of Inhibition Mean?
Fact about zone of inhibition
Zone of inhibition is found with the help of disk diffusion method. This Buzzle post gives you the definition as well as information regarding different parameters that may affect the zone of inhibition.
Stabilizing Selection: Definition and Examples
Stabilizing selection example
Stabilizing selection is the process by which the intermediate form of a trait in an organism is selected and given preference over the extreme forms of that same trait, in order to maintain that common and adapted form in the...
Genetic Diversity Explained with Examples
Genetic diversity example
Genetic diversity is considered to be the baseline of biodiversity. It is the cumulative sum of all the genetic traits or characters present in the genome of any given population or species.
What is a Gene Pool?
Concept of gene pool
Apart from a healthy habitat, the survival of a species depends on the genetic diversity among its members. Buzzle defines the concept of a 'gene pool', and gives its examples to shed more light on this concept.
What Does Missense Mutation Mean?
Missense mutation meaning
Missense mutation changes the amino acid in the polypeptide sequence and may render a protein non-functional. Buzzle explains what is a missense mutation and also explains certain examples of disorders that it may cause.
Examples of Homologous Structures
Fact about homologous structures
Homology is defined as the similarity between organic structures in different animals that arises as a result of their evolution from a common ancestor. The similarity is in regards to the form that the structure takes as well as...
Examples of Analogous Structures
Example of analogous structure
The structural features that serve a common function in various species, but have different ancestral origins are called analogous structures, and this phenomenon is called analogy. Read this Buzzle post to know more about such...
Behavioral Isolation: Meaning and Examples
Behavioral isolation example
Even a minute difference in the courting patterns of two closely related species is sufficient to ensure that they don't mate in spite of being capable of the same. The concept of behavioral isolation revolves around this very fact.
Primordial Soup Theory Explained
Primordial soup theory
Evolutionary biology has helped explain the transformation of unicellular organisms to intelligent multicellular organisms. However, the exact cause underlying the origin of life still remains ambiguous. This has led to the...
Summary of Lamarck's Theory of Evolution
Lamarck's theory of evolution example
Lamarck's Theory of Evolution, also known as Lamarckism, provides a historical context to the currently prevalent concept of genetic inheritance. Jean-Baptiste Lamarck was the first to postulate a coherent evolutionary theory about...
Difference Between Horizontal and Vertical Gene Transfer
Difference between horizontal and vertical gene transfer
Gene transfer refers to the transfer of DNA containing functional genes between any two organisms. This exchange occurs naturally as well as artificially, and is of two types - horizontal and vertical. These types are discussed and...
Smooth Endoplasmic Reticulum
Smooth Endoplasmic Reticulum
Did you know that the smooth endoplasmic reticulum has a vital role in the detoxification process, that takes place in the liver? It has been noted that the amount of smooth ER in the liver increases considerably, when there is an...
4 Basic Modes of Speciation
Basic modes of speciation
The evolutionary process that leads to the formation of a new species from an existing one is termed as speciation. Buzzle provides a brief description of the four basic modes of speciation, namely allopatric, parapatric, peripatric...
Simple Biology Experiment Ideas for Kids
Here are some simple biology experiment ideas for kids, to make the learning process more fun at school...
Stages of Mitosis
If you are keen on knowing how the mechanism of cell division takes place inside the human body, refer to the following article. The process of mitosis and its stages have been discussed in detail.
5 Kingdoms of Living Things
Kingdoms of living beings
According to the Carl Linnaeus system of classification, the 5 kingdoms of living things are Monera, Protista, Fungi, Plantae and Animalia. Read on to understand more...
Characteristics of Life
The distinctive features that separate a living being from an inanimate object are the basic characteristics of life. In this article, we discuss the seven characteristic features of life that are common to all living organisms.
Plasma Membrane Structure
The most accepted theory for plasma membrane structure is the fluid mosaic model. According to this model, the plasma membrane comprises two lipid layers and associated protein molecules, which attach to the lipid layers directly...
What Does Deleterious Mutation Mean?
Deleterious mutation meaning
Any change in the normal sequence of DNA is called a mutation. Most mutations in organisms are deleterious by nature. This post explains this type of mutation in a comprehensive manner.
Difference Between Bioaccumulation and Biomagnification
Difference between bioaccumulation and biomagnification
Despite the fact that both revolve around the build-up of toxic substances in the bodies of organisms, bioaccumulatiion and biomagnification are two different concepts.
Paramecium Reproduction
Paramecium reproduction takes place by both forms asexual and sexual, out of which the former type is predominant. Sexual reproduction in paramecium is called conjugation, while asexual reproduction is known as binary fission.
Codominance Explained with Examples
Codominant inheritance example
Codominance is observed when two different alleles of a specific single-gene trait are both expressed simultaneously. It follows non-Mendelian inheritance patterns. This article explains this phenomenon with the help of examples.
Difference Between Monoecious and Dioecious Organisms
Difference between monoecious and dioecious organisms
Sexual reproduction implies the fusion of a female gamete with a male gamete to produce a fertilized zygote which will develop into an individual similar to its parental organism. Depending on the gametes produced, these organisms...
Codon Chart
Codon chart
The continuity of life is the result of storage, replication, and transcription of genetic code, from one generation of life forms to the other, in the form of DNA, and RNA in some cases. The subject of this article is the codon...
Different Stages in the Process of Meiosis
Meiosis is a cell division process that occurs in two stages, resulting in the formation of four haploid gametes. The two stages of meiosis are meiosis I and meiosis II. Each stage is further divided into another four phases,...
What does Atavism Mean in Biology?
Example of atavism in biology
In biology, the term 'atavism' refers to the reappearance of an ancestral trait in an individual, which is not present in the immediate predecessors of that individual. In other words, it can be called a reversal of evolutionary...
Different Branches of Biology
Botany, biophysics, ecology and agriculture are some of the branches of biology and here, we shall take a look at these branches in brief.
Paramecium Facts
Is paramecium a unicellular organism? How does it move? And how does it reproduce? If you are looking for information on paramecia, then you are at the right page. This article deals with paramecium facts. Read on, to know amazing...
Biology Events
Looking for interesting events in biology? Do you know that hair waste can be used as a plant fertilizer? And what about using antimicrobial copper for infection control? To know more about such practicable biology events, read on...
Functions of Vesicles
Functions of vesicles include transporting substances within the cell and phagocytizing harmful materials in the cell. This Buzzle article further elaborates on the vital functions that different vesicles perform.
Biology Terms - Glossary of Biology Terms and Definitions
Biology refers to the science of living organisms. This Buzzle article is a complete compilation of Botany, Zoology, and Microbiology terms for your reference.
Movement of Paramecium
Scroll down this article to gain more information about the paramecium, and its mechanism of locomotion.
Ecological Isolation Explained With Examples
Ecological isolation example
What is ecological isolation and how does it prevent the occurrence of inter-species hybrids? In this Buzzle article, we will answer these questions, and at the same time provide examples of this isolation mechanism, to make it...
How is Artificial Selection Different from Natural Selection?
Examples of natural and artificial selection
Natural and artificial selection forms the basis of evolution on this planet. This post explains the basic difference between the two.
The Incredible Phenomenon of Bioluminescence
Vampire squid and bioluminescence
Bioluminescence is the phenomenon by which biological living creatures emit light. But how does bioluminescence work?
Understanding the Process of Biological Magnification
Process of biological magnification
Biological magnification occurs when toxic substances concentrate in organisms, as they move from one link in the food chain to the next. As you go through the examples of biomagnification, you will get a better understanding of...
What are the Types of Extremophiles and Where are they Found?
Type of extremophiles
Extremophiles are microbial organisms that thrive and proliferate in extreme living conditions. The term "extreme" is used to describe environmental conditions that are too extreme for human existence. Buzzle elaborates...
Chitin: Structure, Function, and Uses
Structure and use of Chitin
The hard outer shell of arthropods and insects like beetles is primarily made up of chitin, a naturally occurring biopolymer. The following Buzzle article elaborates more on the structure, function, and uses of chitin.
What Does a Mutagen Mean in Biology?
Meaning of mutagens in biology
Mutagens can cause disastrous effects on organisms.This Buzzle article explains what does the term mutagen mean. We have also explained different types of mutagens along with some examples of each type.
What is Cell Differentiation?
Cell differentiation is the most common process in all growing organisms, and it starts as soon as the female egg is fertilized. So, what is that makes it so important? Let us find out through this Buzzle article.
Obligate Intracellular Parasite: Definition, Characteristics, and Examples
Fact about obligate intracellular parasite
Parasites are organisms that derive biological benefits at the expense of the hosts they infect. These organisms can be classified in a variety of ways depending on their mode of infection. This Buzzle article explores the category...
Genetic Variation: Importance, Sources, and Examples
Example of genetic variation
Genes are the molecular unit of heredity. In an organism, the gene sequence may occur in one or more forms, and these alternate forms of the same gene are called alleles. Any type of change that is observed in the sequence of these...
What is Balancing Selection in Biology?
Balancing selection in biology example
Natural selection is a key mechanism of evolution, and a primary explanation for adaptive evolution. It can be classified into various types depending on the differentiating factor. When it is classified on the basis of the effect...
Temporal Isolation: Definition and Examples
Temporal isolation meaning
When it comes to temporal isolation, time is the barrier that prevents species from interbreeding and producing sterile hybrids. In this Buzzle article, we intend to put forth the meaning and some examples of the concept to help...
Batesian Mimicry Vs. Mullerian Mimicry
Fact about Mullerian mimicry
Müllerian mimicry is a survival technique wherein two species that are equally noxious, mimic each other as a protective measure. This Buzzle article explains the phenomenon in detail.
Conservation Biologist Job Description
Scope of conservation biology
Conservation biology is an interesting field that deals with safeguarding the Earth's biodiversity. Read through this Buzzle article for the job description of a conservation biologist.
Comparison of Living and Non-living Things
The various things that make up our world are broadly categorized into two categories, living and non living. In this Buzzle article, let's compare and contrast the differences between these two categories, in detail.
Sporophyte Facts
The sporophyte is the spore bearing phase or generation in the life cycle of a plant. This sporophytic phase and the gametophytic phase occur in an alternate manner. Leaf through this article to get an insight about sporophyte...
Three Domains of Life
A concise write-up on the three domains of life recognized by biologists, and their characteristics, which will tell you how the cellular life on planet Earth is classified. Continue reading...
Careers in Life Science
Looking forward to make a career in life science? We have provided you a wide range of options in this article that you can opt for. Read on...
Angiosperm Facts
Angiosperms are seed bearing flowering plants. Learn some interesting angiosperm facts from the following article.
Life Cycle of Gymnosperms
In the life cycle of gymnosperms, the dominant sporophyte phase alternates with the short gametophyte phase. The sporophyte plant produces spores, while the gametophyte bears gametes. Leaf through this article to get an insight...
Life Cycle of Angiosperms
Angiosperms are flowering plants which have a life cycle that is quite complex. Find out the details about the life cycle of angiosperms from the following article.
What is Fermentation
Beer, wine, curd, are some of the products of fermentation. But do you actually know what is fermentation? Find biological definition and some of the famous examples of fermentation.
Stomata Function
Stomata plays a very important role in the process of photosynthesis and respiration. Keep reading the article to know about stomata function in detail.
Microbiologist Job Description
The job of a microbiologist involves the study of microorganisms, their relation to the environment, and diseases caused by them. They study microorganisms like fungi, yeast, protozoa, viruses, bacteria, etc., with the help of...
Botanist Job Description
The job of a botanist includes the study of plants, either in their natural environment, or under laboratory conditions. The job details will vary according to the employer and specialization of the candidate.
What is Plasma?
The word plasma has significant importance in both physics and biology, though the term in physics is derived from the term in biology. Here, we shall try to shed some light on plasma, and how the one in biology differs from the...
What is Biology?
Biology is not something we just study, but an important part of our life. Here's more...
What is Transpiration
Plants are responsible for 10% of the water vapor present in the atmosphere. An average oak tree transpires approximately 40,000 gallon water in a year. This is because of the process of transpiration. Find out what is transpiration...
Characteristics of Angiosperms
This article provides a detailed overview of the characteristics of angiosperms that every budding botanist should know.
Current Events in Biology
The article deals with few of the current events in biology. These events and discoveries, present before us some of the interesting facts about research going on in the field of biology.
Angiosperms and Gymnosperms
Angiosperms and gymnosperms are classifications of plants that have different characteristic properties. Their distinct features form the basis of their classification. Read on to know the details.
Vorticella Facts
It is really interesting to know the behavioral pattern of vorticella, for instance, how the cilia of the bell shaped vorticella disappear when not required. The following article explains such amazing facts about vorticella,
Transpiration in Plants
Transpiration involves losing water vapor from aerial parts of plants. This aspect is crucial for uptake of water and mineral nutrients from the soil. It indirectly controls intake of carbon dioxide for photosynthesis.
Gametophyte and Sporophyte
The life cycle of a plant involves the alternation of two generations: gametophyte and sporophyte. However, what is the difference between these phases and what are their distinguishing factors? Learn about these generations in...
What is a Haploid Cell?
A cell that contains half the amount of chromosomes present in a diploid cell is called a haploid cell. This article will help you understand more...
Diploid Cell
A diploid cell is a cell with two complete set of chromosomes, one of paternal origin and one of maternal origin. The following article will answer the question.
Haploid Number Explained
Haploid number is the number of chromosomes that are half the diploid number of chromosomes. This article will tell you more...
Diploid Number
Are you looking for some knowledge related to the diploid number? There are different number of chromosomes in diploid cells depending on the species type. The following article will cover some information related the diploid...
Diploid and Haploid Cells
Diploid and haploid cells are involved in sexual reproduction of higher eukaryotic organisms. The following Buzzle article will cover some information related to the diploid and haploid cells.
Dicot Plants
Dicots are a particular classification of plants. The article below will educate you on dicot plants and some examples of dicots.
Active Transport Process
What is active transport process? How does it take place in a cell? Read on to know the answer to these questions.
Multicellular Vs. Unicellular Organisms
As the name suggests, the main difference between multicellular and unicellular organisms is the number of cells that are present in them. This leads to the development of all other characteristics and properties of these living...
Exocytosis Vs. Endocytosis
Exocytosis is the reverse of endocytosis. This article gives you a brief explanation of these processes and also compares the two.
Characteristics of Monera
The kingdom Monera refers to those microorganisms which are considered to be the most primitive group in the world. This Buzzle article tells you more about its kingdom of classification and characteristics.
Unicellular Organisms
Unicellular organisms refer to living entities that have only one cell, and the cell is responsible for performing all the functions. Some examples are amoeba, paramecium, bacteria, and cyanobacteria.
Phagocytosis Process
Cells need their daily share of food just like humans do. They do it through the phagocytosis process. This Buzzle article explains this important process of cell biology with its examples.
Cytokinesis in Plants and Animals
How is cytokinesis in plant and animal cells different from each other? Read on to know the answers to this question and more.
Monocot Vs. Dicot
The following article presents before us monocot vs. dicot differences by considering their various features. Read on to known more about dicotyledon and monocotyledon classifications.
What are Inorganic Nutrients?
There are many different types of nutrients consumed by organisms throughout various food chains and ecosystems, that are spread across the whole planet. Inorganic nutrients are an important part of food chains, and are also...
Anaerobic Fermentation
Anaerobic fermentation is a complicated process that is 100% natural and is carried out on microorganisms. Read this Buzzle article to know what anaerobic fermentation is and some interesting facts about this process.
What is a Stop Codon?
Stop codons are also known as nonsense codons, or termination codons. This article states all the facts regarding this particular type of codon.
Start Codon
A start codon is the starting point of translation in a cell. Read the following article to gain more information about this subject.
Cell Membrane Structure
A cell is the basic unit of life, and the cell membrane is an important structure present in all cells, irrespective of whether they are plant cells or animal cells. Given below are the details regarding the cell membrane structure...
Characteristics of Living Things
All living things have common traits, irrespective of plants and animals. Scroll down this article to know more about these characteristics of living things.
Functions of the Plasma Membrane
Apart from holding the contents of a cell, the plasma membrane serves various important functions in cell regulation. This Buzzle article explains what a plasma membrane is along with its functions.
Zoologist Job Description
Zoology is an interesting field to work in. If you love animals, are curious about them, then this job is for you. It offers many roles and you can also earn a descent salary.
Zoologist Salary Range
The salary range of a zoologist, combined with the love of working for animal care, are some of the driving factors that motivate students to enter in the field of zoology, that offers vast opportunities in terms of career goals...
Why Do Leaves Change Color?
Have you ever wondered why leaves change color during autumn? It is a very beautiful way in which nature signifies a change in season.
Biologist Job Description
A biologist mainly deals with studying living organisms and their relationship with the environment. The job description presented in the following article provides a brief idea about different tasks handled by him.
Levels of Biological Organization
Get a quick insight into the different levels of biological organization and the prime aspects related to each one of them, from the following write up.
What is Divergent Evolution
Divergent evolution is a cumulative process of natural selection, which ultimately leads to the formation of a new species, from the same ancestral stock. It creates the beautiful variety, that we see in the natural world.
Darwin's Theory of Natural Selection
Darwin's theory of natural selection states that nature selects organisms that have features favorable for their survival, while eliminating inferior species. Natural selection is a key to the origin of new species from the...
Famous Women Biologists
Women biologists hold a significant place of importance in the world of science. They have achieved many laurels in their field.
Characteristics of Fungi
Did you know the fact that fungi lack chlorophyll? This type of life form can cause diseases in humans and can also be used to make cheese by the process of fermentation. Read this Buzzle article, which explains various...
Read the following article to learn more about the type of plants called Gymnosperms.
Biomimicry - The Science of Copying Natural Designs
The design seen in birds, animals, fish, plants, and other living things is often superior to what engineers come up with for the same task. In the article below, you will learn all about biomimcry - the science of copying natural...
Centrioles are two hollow, micro tubular and cylindrical organelles that are mainly implicated in the organization of a spindle. They are present within the cytoplasm of a cell. They are also known as diplosome as they are found to...
The Square-Cube Law
Why giant mutant ants will never be able to take over the world, and why elephants don't climb trees? Such questions are explained in this article.
Social Values in the Cellular World
Simple social values are seen in all walks of life, even at the cellular level. Here is a brief description about how these values are manifested in the cellular world.