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The Dynamics of Adaptive Radiation in African Cichlid Fishes

EvoEcoSeminars via YouTube

Overview

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Explore the fascinating world of adaptive radiation in African cichlid fishes through this comprehensive lecture. Delve into the dynamics of evolutionary processes, from the Cambrian explosion to modern-day species diversity. Examine the correlation between phenotype and environment, focusing on the unique characteristics of cichlid fishes in Lake Tanganyika. Investigate genetic timelines, environmental fluctuations, and key morphological differences that contribute to the remarkable diversity of these species. Gain insights into macroevolution, noncoding divergence, and phenotype plasticity while understanding the hallmarks of adaptive radiation. Discover how past environmental changes have influenced radiation pulses and homozygosity in these remarkable fish populations.

Syllabus

Introduction
Diversity
Adaptive radiation
Cambrian explosion
Macroevolution
Characteristics of adaptive radiation
Correlation between phenotype and environment
The hallmark of adaptive radiation
Species diversity
Mouth head morphologies
Pharyngeal jaws
Diversity and behavior
Noncoding divergence
Cichlid fishes of Lake Tanganyika
Inventory of cichlid fishes
Genetic timeline of cichlid diversity
Origin of lake Tanganyika
Phenotype environment correlation
Dynamics of adaptive radiation
Summary
Past environmental fluctuations
Radiation pulses not reflected in noncoding RNA
Homozygosity
Phenotype plasticity
Key morphological differences

Taught by

EvoEcoSeminars

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