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

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...
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.
Limits to Natural Selection01:38

Limits to Natural Selection

Organisms that are well-adapted to their environment are more likely to survive and reproduce. However, natural selection does not lead to perfectly adapted organisms. Several factors constrain natural selection.For one, natural selection can only act upon existing genetic variation. Hypothetically, redtusks may enhance elephant survival by deterring ivory-seeking poachers. However, if there are no gene variants—or alleles—for redtusks, natural selection cannot increase the prevalence of...
The Tree of Life - Bacteria, Archaea, Eukaryotes02:40

The Tree of Life - Bacteria, Archaea, Eukaryotes

The “tree of life” describes the evolution of life and the evolutionary relationships between organisms. The root of the tree is the common ancestor to all life on Earth. All other species radiate from this point, much like the branches of a tree. The numerous tips of these branches on the tree of life represent every living, or extant, species. Extinct species, which are species that no longer exist, can be found towards the center of the tree. Currently, these organisms, both extant 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...
Transduction01:16

Transduction

Among the three main modes of HGT—transformation, conjugation, and transduction—transduction is unique in that it is mediated by bacteriophages, or bacterial viruses.Transduction occurs in two ways. Generalized transduction occurs during the lytic cycle of a bacteriophage infection. In this process, bacteriophages infect bacterial cells, replicate within them, and ultimately cause cell lysis, releasing newly assembled virions. Occasionally, random fragments of the bacterial genome are...

You might also read

Related Articles

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

Sort by
Same author

Patterns in the release of gaseous ammonia by terrestrial isopods.

Oecologia·2017
Same author

Factors affecting oxygen consumption in the woodlouse Porcellio scaber latr.

Oecologia·2017
Same author

The flow of copper through a terrestrial food chain : I. Copper and nutrition in isopods.

Oecologia·2017
Same author

The flow of copper through a terrestrial food chain : II. Factors influencing the copper content of isopods.

Oecologia·2017
Same author

A new look at energy conversion in ectothermic and endothermic animals.

Oecologia·2017
Same author

Low production "efficiency" of homoeotherm populations: a misunderstanding.

Oecologia·2017

Related Experiment Video

Updated: Jun 5, 2026

Resurrection of Dormant Daphnia magna: Protocol and Applications
07:37

Resurrection of Dormant Daphnia magna: Protocol and Applications

Published on: January 19, 2018

A major transition in Darwinism.

W Wieser1

  • 1Institut für Zoologie und Limnologie, Universität Innsbrack, Technikerstrasse 25, A-6020 Innsbruck, Austria.

Trends in Ecology & Evolution
|January 18, 2011
PubMed
Summary

Evolutionary biology is shifting focus from species origin to modeling cooperation in complex systems. This evolution in theory needs wider communication to correct public misconceptions about evolutionary science.

Area of Science:

  • Evolutionary Biology
  • Systems Biology
  • Theoretical Biology

Background:

  • Recent evidence suggests a paradigm shift in evolutionary biology.
  • The field is moving from explaining species origin to modeling system complexity.

Purpose of the Study:

  • To highlight the shift in evolutionary biology's focus.
  • To advocate for broader dissemination of new evolutionary concepts.
  • To address the public's simplistic perception of evolutionary theory.

Main Methods:

  • Literature review of recent evolutionary biology research.
  • Analysis of theoretical models of cooperation and complexity.
  • Assessment of public perception of evolutionary theory.

Main Results:

More Related Videos

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

Methods for Staging Pupal Periods and Measurement of Wing Pigmentation of Drosophila guttifera
08:03

Methods for Staging Pupal Periods and Measurement of Wing Pigmentation of Drosophila guttifera

Published on: January 24, 2018

Related Experiment Videos

Last Updated: Jun 5, 2026

Resurrection of Dormant Daphnia magna: Protocol and Applications
07:37

Resurrection of Dormant Daphnia magna: Protocol and Applications

Published on: January 19, 2018

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

Methods for Staging Pupal Periods and Measurement of Wing Pigmentation of Drosophila guttifera
08:03

Methods for Staging Pupal Periods and Measurement of Wing Pigmentation of Drosophila guttifera

Published on: January 24, 2018

  • Evidence supports a significant shift towards modeling cooperation and emergent complexity.
  • Current public understanding of evolution remains largely focused on speciation.
  • A gap exists between the advanced focus of evolutionary biology and its public image.

Conclusions:

  • The field of evolutionary biology is increasingly focused on the emergence of complexity through cooperation.
  • Wider promulgation of these advanced concepts is necessary.
  • Counteracting a century-old simplistic public image of evolution is crucial for scientific literacy.