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

What is Evolutionary History?02:35

What is Evolutionary History?

44.7K
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.
44.7K
Evolution of New Traits in Microbes01:24

Evolution of New Traits in Microbes

107
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...
107
Speciation Rates01:07

Speciation Rates

23.5K
Overview
23.5K
Eukaryotic Evolution01:24

Eukaryotic Evolution

43.7K
The endosymbiont theory is the most widely accepted theory of eukaryotic evolution; however, its progression is still somewhat debated. According to the nucleus-first hypothesis, the ancestral prokaryote first evolved a membrane to enclose DNA and form the nucleus. Conversely, the mitochondria-first hypothesis suggests that the nucleus was formed after endosymbiosis of mitochondria.
Contrary to the endosymbiont theory, the eukaryote-first hypothesis proposes that the simpler prokaryotic and...
43.7K
Evolution of Microbial Genome01:08

Evolution of Microbial Genome

47
Microbial genome evolution is a highly dynamic process shaped by continual gene gain and loss across species and strains. This genomic flexibility allows microorganisms to adapt rapidly to environmental pressures and interactions with other organisms. Central to understanding this diversity is the distinction between the core and pan genomes.The core genome comprises the genes shared by all sampled strains of a species, representing essential functions needed for fundamental cellular processes.
47
Convergent Evolution01:54

Convergent Evolution

34.5K
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.
34.5K

You might also read

Related Articles

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

Sort by
Same author

[Action mechanism of paeonol in inhibiting alcoholic liver disease through regulating PERK-eIF2α-ATF4-CHOP signaling pathway mediated by endoplasmic reticulum stress].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica·2026
Same author

Effects of body mass index on the distributions, severity and surgical outcomes of chronic rhinosinusitis subtypes: a longitudinal study.

Frontiers in allergy·2026
Same author

Mesencephalic astrocyte-derived neurotrophic factor (MANF): a context-dependent therapeutic regulator and potential biomarker in liver diseases.

Annals of hepatology·2026
Same author

The knowledge, attitudes and practice of nasal irrigation among patients with rhinosinusitis: a cross-sectional study.

Frontiers in allergy·2026
Same author

Electroacupuncture alleviates chronic stress-induced anxiety via excitatory neuron CB1 receptor-dependent suppression of GR/SGK1 signaling in the mPFC.

Journal of affective disorders·2026
Same author

Identification of Or5v1/Olfr110 as an oxylipin receptor and anti-obesity target.

Cell·2026
Same journal

Application of ephrin-B2 loaded glycol chitosan-silk fibroin hydrogel in the treatment of diabetic refractory wounds.

Scientific reports·2026
Same journal

International expert Delphi consensus on thromboprophylaxis in metabolic and bariatric surgery.

Scientific reports·2026
Same journal

Assessing the cross-region knowledge transfer capability of selected deep learning building vectorization methods in the context of available training datasets.

Scientific reports·2026
Same journal

Feasibility and preliminary effects of outdoor versus indoor cognitive-motor therapy in women with Alzheimer's disease: A randomized single-blind pilot study.

Scientific reports·2026
Same journal

Hallmarks of social action in the vocal turn-taking of wild common marmosets (Callithrix jacchus).

Scientific reports·2026
Same journal

Role and mechanism of AOPPs-induced NOX4-mediated ferroptosis in intervertebral disc degeneration.

Scientific reports·2026
See all related articles

Related Experiment Video

Updated: Apr 1, 2026

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

Resurrection of Dormant Daphnia magna: Protocol and Applications

Published on: January 19, 2018

19.6K

Zoophycos macroevolution since 541 Ma.

Li-Jun Zhang1, Ruo-Ying Fan2, Yi-Ming Gong2

  • 1Key Laboratory of Biogenic Traces &Sedimentary Minerals of Henan Province, Henan Polytechnic University, Jiaozuo, 454003, China.

Scientific Reports
|October 10, 2015
PubMed
Summary
This summary is machine-generated.

This study reveals five peaks and six depressions in the occurrence frequency of the trace fossil Zoophycos throughout the Phanerozoic. Its distribution correlates with Pangaea

More Related Videos

Author Spotlight: Unveiling Plankton Response to Climate Change Through Time-Series Data and Artistic Expression
08:15

Author Spotlight: Unveiling Plankton Response to Climate Change Through Time-Series Data and Artistic Expression

Published on: July 28, 2023

2.0K
A Concoction Pipeline for Generating Molecular Operational Taxonomic Units (MOTUs) Among Riparian and Aquatic Beetles
10:23

A Concoction Pipeline for Generating Molecular Operational Taxonomic Units (MOTUs) Among Riparian and Aquatic Beetles

Published on: July 11, 2025

752

Related Experiment Videos

Last Updated: Apr 1, 2026

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

Resurrection of Dormant Daphnia magna: Protocol and Applications

Published on: January 19, 2018

19.6K
Author Spotlight: Unveiling Plankton Response to Climate Change Through Time-Series Data and Artistic Expression
08:15

Author Spotlight: Unveiling Plankton Response to Climate Change Through Time-Series Data and Artistic Expression

Published on: July 28, 2023

2.0K
A Concoction Pipeline for Generating Molecular Operational Taxonomic Units (MOTUs) Among Riparian and Aquatic Beetles
10:23

A Concoction Pipeline for Generating Molecular Operational Taxonomic Units (MOTUs) Among Riparian and Aquatic Beetles

Published on: July 11, 2025

752

Area of Science:

  • Paleontology
  • Ichnology
  • Macroevolutionary studies

Background:

  • Zoophycos is a complex trace fossil found globally in marine strata from the Cambrian to Quaternary.
  • It provides crucial insights into Phanerozoic organism-environment interactions.
  • Understanding its macroevolution is key to deciphering ancient marine ecosystems.

Purpose of the Study:

  • To investigate the macroevolutionary patterns of Zoophycos during the Phanerozoic.
  • To establish a comprehensive database of Zoophycos occurrences and characteristics.
  • To identify factors influencing the evolutionary trajectory of Zoophycos.

Main Methods:

  • Assembled a database of 448 data points from 291 papers and 180 specimens.
  • Analyzed occurrence frequency, paleogeographical distribution, and bathymetrical shifts.
  • Compared trace fossil data with body fossil, geochemical, and paleogeographical records.

Main Results:

  • Identified five peaks and six depressions in Phanerozoic Zoophycos occurrence frequency.
  • Demonstrated a correlation between Zoophycos distribution and the shifting of the supercontinent Pangaea.
  • Observed a synchronized bathymetrical shift from littoral-neritic to bathyal environments with a shallow-to-deep tiering shift.

Conclusions:

  • Concluded that Phanerozoic Zoophycos macroevolution is influenced by global biodiversity expansion, enhanced benthic nutrients, and the biotic evolution of Zoophycos producers.
  • The macroevolution of development in Zoophycos suggests significant behavioral and physiological adaptations in ancient animals.
  • Zoophycos evolution offers insights into the long-term interplay between life and environment in marine settings.