Related Experiment Video
Updated: May 21, 2026

07:34
The Power of Simplicity: Sea Urchin Embryos as in Vivo Developmental Models for Studying Complex Cell-to-cell Signaling Network Interactions
Published on: February 16, 2017
[Regulatory evolution, Hox-genes, and larvae of bilateral animals]
Summary
This review explores the evolutionary origins of the trochophore-like larva in bilateral animals. It synthesizes current scientific understanding of this crucial developmental stage in animal evolution.
Area of Science:
- Developmental Biology
- Evolutionary Biology
- Zoology
Context:
- The trochophore-like larva is a key developmental stage observed in many bilateral animals, offering insights into their evolutionary history.
- Understanding the evolutionary significance of this larval form is crucial for reconstructing phylogenetic relationships among diverse animal phyla.
Purpose:
- To present a comprehensive overview of current scientific perspectives on the evolutionary nature of the trochophore-like larva.
- To synthesize recent findings and theoretical frameworks regarding the origin and evolution of this larval form in Bilateria.
Summary:
- This review consolidates contemporary viewpoints on the evolutionary trajectory and significance of the trochophore-like larva.
- It examines the conserved and divergent features of this larval stage across various animal groups, highlighting its role as a potential ancestral trait.
Impact:
- Provides a foundational resource for researchers in evolutionary developmental biology (evo-devo) and comparative zoology.
- Facilitates a deeper understanding of the early evolution of animal body plans and the diversification of life.
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