Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Modeling with Differential Equations01:25

Modeling with Differential Equations

Population dynamics can be described mathematically by considering the population size P(t) as a function of time. The rate of change of the population is then represented by the derivative of P(t). A simple assumption is that the rate of growth is proportional to the size of the population itself. This leads to an exponential growth model, where the population increases rapidly without bound. While this is a useful first approximation, it does not reflect realistic long-term...
The Evidence for Evolution02:55

The Evidence for Evolution

Genetic variations accumulating within populations over generations give rise to biological evolution. Evolutionary changes can result in the formation of novel varieties and entire new species. These changes are responsible for the diverse forms of life inhabiting the planet. The evidence for evolution suggests that all living organisms descended from common ancestors.The collection of fossils within sedimentary rocks give a record of common ancestry and often depicts the history of evolution.
Hardy-Weinberg Principle01:49

Hardy-Weinberg Principle

Diploid organisms have two alleles of each gene, one from each parent, in their somatic cells. Therefore, each individual contributes two alleles to the gene pool of the population. The gene pool of a population is the sum of every allele of all genes within that population and has some degree of variation. Genetic variation is typically expressed as a relative frequency, which is the percentage of the total population that has a given allele, genotype or phenotype.In the early 20th century,...
Evolution of New Traits in Microbes01:24

Evolution of New Traits in Microbes

Microorganisms evolve rapidly due to their large population sizes and short generation times, often exhibiting measurable changes within days under laboratory conditions. Natural selection acts on standing genetic variation, enabling the retention and amplification of beneficial traits that confer fitness advantages in changing environments.Adaptive Pigment Regulation in RhodobacterIn Rhodobacter, a genus of purple non-sulfur bacteria, light-harvesting pigments such as bacteriochlorophyll and...
Evolutionary Processes in Microbes01:26

Evolutionary Processes in Microbes

Microbial evolution occurs rapidly due to short generation times and a variety of genetic processes, including horizontal gene transfer, mutation, recombination, and genetic drift. These mechanisms collectively enable microbes to adapt swiftly to changing environments.Horizontal gene transfer (HGT) allows genes to move between different species and occurs through three main mechanisms: conjugation, transformation, and transduction. Conjugation involves direct cell-to-cell contact for DNA...
Evolutionary Psychology01:20

Evolutionary Psychology

Evolutionary psychology explores the origins of human behavior and mental processes by framing them within the context of natural selection, a theory famously propounded by Charles Darwin. This field asserts that many behaviors common across human societies — ranging from instinctive fear reactions to complex social interactions — arose as evolutionary adaptations. These adaptations enhanced the survival and reproductive success of our ancestors, thereby becoming embedded in the human psyche...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A Stochastic Dynamical Model for Sympatric Speciation in a Two-phenotype Population.

Theoretical biology forum·2026
Same author

On the Analogies between Evolutionary Models and Economics. A First Analysis.

Theoretical biology forum·2025
Same author

Dynamical model for sympatric speciation in an ecological niche.

Theoretical biology forum·2020
Same author

A (historical) remark on the Darwin-Schiaparelli evolution theory.

Theoretical biology forum·2018
Same author

Dynamics on genes network structures. An ago-antagonist approach.

Theoretical biology forum·2015
Same author

Ago-antagonist theory in Darwinian evolution.

Theoretical biology forum·2014

Related Experiment Video

Updated: Jun 3, 2026

Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling
20:36

Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling

Published on: July 4, 2007

A computer model for a theory of evolution.

Cristiano Bocci1, Paolo Freguglia, Enrico Rogora

  • 1Dipartimento di Matematica, Università di Siena.

Rivista Di Biologia
|March 9, 2011
PubMed
Summary

This study introduces a computer model for phenotypical evolution, simulating how internal and external factors influence speciation via the fertility factor. Simulations explore these complex relationships.

Area of Science:

  • Evolutionary biology
  • Computational biology
  • Theoretical biology

Background:

  • Computer models and simulations are essential for dissecting complex phenomena.
  • Explicitly defining variables and their relationships is key to accurate modeling.
  • Understanding the drivers of speciation requires analyzing intricate interactions.

Purpose of the Study:

  • To present a computer model for a phenotypical theory of evolution.
  • To simulate the complex interplay of internal and external factors on speciation.
  • To investigate the influence of the fertility factor in evolutionary processes.

Main Methods:

  • Development of a novel computer model based on phenotypical evolution.
  • Utilizing computer simulations to explore evolutionary dynamics.

More Related Videos

A Practical Guide to Phylogenetics for Nonexperts
12:00

A Practical Guide to Phylogenetics for Nonexperts

Published on: February 5, 2014

Following the Dynamics of Structural Variants in Experimentally Evolved Populations
04:52

Following the Dynamics of Structural Variants in Experimentally Evolved Populations

Published on: February 3, 2023

Related Experiment Videos

Last Updated: Jun 3, 2026

Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling
20:36

Predicting the Effectiveness of Population Replacement Strategy Using Mathematical Modeling

Published on: July 4, 2007

A Practical Guide to Phylogenetics for Nonexperts
12:00

A Practical Guide to Phylogenetics for Nonexperts

Published on: February 5, 2014

Following the Dynamics of Structural Variants in Experimentally Evolved Populations
04:52

Following the Dynamics of Structural Variants in Experimentally Evolved Populations

Published on: February 3, 2023

  • Focusing on the role of the fertility factor as a mediator.

    • Main Results:

    • The developed model effectively simulates the dependence of speciation on various factors.
    • Simulations demonstrate the significant role of the fertility factor.
    • Key relationships between internal/external factors and speciation were explored.

    Conclusions:

    • The proposed computer model is well-suited for simulating phenotypical evolution and speciation.
    • The fertility factor is a critical component in mediating the effects of environmental and internal pressures on speciation.
    • Further simulations can elucidate more complex evolutionary dynamics.