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Related Concept Videos

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.
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...
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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...
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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...
What is Evolutionary History?02:35

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Scientists record evolutionary history by analyzing fossil, morphological, and genetic data. The fossil record documents the history of life on Earth and provides evidence for evolution. However, both fossil and living organisms offer evidence that outlines Earth’s evolutionary history.Phylogenetic trees illustrate the evolutionary relationships among these organisms. Scientists infer organisms’ common ancestry by evaluating shared morphological and genetic characteristics. Together, the fossil...
Convergent Evolution01:54

Convergent Evolution

Evolution shapes the features of organisms over time, ensuring that they are suited for the environments in which they live. Sometimes, selection pressure leads to the rise of similar but unrelated adaptations in organisms with no recent common ancestors, a process known as convergent evolution.The structures that arise from convergent evolution are called analogous structures. They are similar in function even if they are dissimilar in structure. Further, structures can be analogous while also...

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Updated: Jul 3, 2026

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

Resurrection of Dormant Daphnia magna: Protocol and Applications

Published on: January 19, 2018

Ecology and evolution join forces to good effect.

Rowan D H Barrett1, Jana C Vamosi

  • 1Department of Zoology, University of British Columbia, 2370-6270 University Boulevard, Vancouver, British Columbia, Canada V6T 1Z4. rbarrett@zoology.ubc.ca

Biology Letters
|July 10, 2008
PubMed
Summary
This summary is machine-generated.

The Canadian Society of Ecology and Evolution held its 3rd meeting in 2008. This event brought together researchers to discuss ecological and evolutionary science.

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Area of Science:

  • Ecology and Evolutionary Biology

Background:

  • The Canadian Society of Ecology and Evolution (CSEE) convened its third regular meeting.
  • The meeting was hosted at the University of British Columbia in Vancouver, Canada.

Framework:

  • The event served as a platform for scientific exchange within the fields of ecology and evolution.
  • Discussions likely covered a range of topics relevant to ecological systems and evolutionary processes.

Implementation:

  • The meeting took place from May 11-14, 2008.
  • It facilitated networking and collaboration among scientists in Canada.

Implications:

  • The conference contributed to the advancement of ecological and evolutionary research in Canada.
  • It fostered the dissemination of current research findings and future research directions.