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Search Results for: sexual_selection

Sexual selection

What is Sexual Selection? The definition of sexual selection is very interesting in biological terms. The sexual selection... Read More

Sexual reproduction

Sexual reproduction is a mode of reproduction involving the fusion of haploid female gamete (egg cell) and haploid male... Read More

Natural selection

Natural Selection Definition What is natural selection in biology? Natural selection is defined as a process in nature... Read More

Disruptive Selection

An evolutionary process known as disruptive selection (or disruptive natural selection) causes a population to become... Read More

Darwinian fitness

Darwinian Fitness Definition Darwinian fitness refers to the measure of an individual organism's or genotype's reproductive... Read More

On Mate Selection Evolution: Are intelligent males more attractive?

A study published in Science on January 11 seems to be the first to lay empirical evidence that concur with Charles Darwin's... Read More

Parthenogenesis

To reproduce, by definition, means to produce new offspring. The process is referred to as reproduction, which is one of the... Read More

A Look Into Natural Selection and its Mechanisms

Charles Darwin is credited with outlining the fundamentals of evolution. He was a smart and eager pupil and protégé, and... Read More

Evolution

Evolution Definition Evolution is defined as a change in the genetic composition of a population over successive... Read More

Genetic diversity

Genetic Diversity Definition Each species is composed of individuals with their own set of genes. A gene is the inheritance... Read More

Sexual dimorphism

Sexual Dimorphism Definition Sexual dimorphism refers to the morphological differences (in form or appearance) between... Read More

Sexual

sexual Of or pertaining to sex, or the sexes; distinguishing sex; peculiar to the distinction and office of male or female;... Read More

Polymorphism

Polymorphism Definition The occurrence of two or more different forms or morphs in the population of a species is referred... Read More

Progeny

Progeny Definition Progeny means an unmodified descendant from the material, such as a cell from a cell or an organism from... Read More

Biogenesis

Biogenesis Definition Biogenesis refers to the idea or the process whereby a living thing comes from another living thing,... Read More

Parasitism

Organisms depend on different sources of food to survive. Larger organisms like plants make their own food (autotrophs) and... Read More

Pathogen

What are Pathogens? Pathogens are defined as microscopic organisms, including viruses, bacteria, fungi, and parasites that... Read More

Fitness

A competing variant's frequency is rising in relation to other competing variants in a population under the biological... Read More

The Evolutionary Development of Multicellular Organisms

The beginning of the Cambrian era saw a widespread arrival of multi-cellular organisms, particularly in the form of sponges.... Read More

Organism

An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and... Read More

Pleiotropy

Pleiotropy Definition When one single gene starts affecting multiple traits of living organisms, this phenomenon is known... Read More

Genetic variability

Genetic Variability Definition Genetic variability refers to the tendency of individual genetic characteristics in a... Read More

Mimicry

Most would say imitation is the greatest form of flattery. In some cases that is quite true. However, imitation or mimicking... Read More

Fecundity

Fecundity Definition The meaning of fecundity is the reproductive rate (fecundity rate) or the performance of an individual... Read More

Independent Assortment

Independent Assortment Definition Independent assortment refers to the alleles or genes that sort into the newly formed... Read More

Obligate parasite

Parasitism is a form of symbiosis that occurs between a parasite and its host. The parasite is the organism that generally... Read More

Cloning

Cloning Definition In biology, cloning is the process of producing similar populations of genetically identical individuals... Read More

Living things

Living Things Definition A living thing pertains to any organism or a life form that possesses or shows the characteristics... Read More

Inherited traits

What are Inherited Traits? The characteristics or traits that are passed from parents to offspring are known as inherited... Read More

Sterile

Sterile Definition What does sterile mean? In reproductive biology, we can define sterile as an inability to reproduce or... Read More

Characteristic

Characteristics Definition We can define characteristics as qualities or features that describe the distinctive nature or... Read More

Bacteria

Bacteria Definition What are bacteria? What is the definition of bacteria in biology? Bacteria are defined as organisms... Read More

Epistasis

Epistasis Definition What is epistasis in genetics? How does epistasis occur? The epistasis definition, in biology, refers... Read More

Unicellular

Unicellular organisms are organisms consisting of one cell only that performs all vital functions including metabolism,... Read More