Coelacanth was caught in 1938 in South Africa. Why is it very significant in the evolutionary history of vertebrates?

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Significance of the Coelacanth in Vertebrate Evolution

1. Living Fossil Discovery:

• The Coelacanth is often referred to as a "living fossil" due to its ancient lineage.
• Its discovery in 1938 off the coast of South Africa was groundbreaking, as it was thought to have been extinct for millions of years.

2. Key Evolutionary Features:

• Lobe-Finned Fish Characteristics:

  • The Coelacanth belongs to the group of lobe-finned fish, which is considered a transitional form between fish and tetrapods (four-limbed vertebrates).
  • Its paired fins have a bony structure similar to the limbs of tetrapods, providing crucial insights into the evolutionary transition to land.

• Insights into Tetrapod Evolution:

  • The discovery of the Coelacanth provided valuable insights into the evolution of tetrapods from fish.
  • It offered evidence of ancient anatomical structures that eventually gave rise to the limbs of vertebrates.

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Conclusion

In conclusion, the discovery of the Coelacanth in 1938 in South Africa is significant in the evolutionary history of vertebrates. As a "living fossil," it offers insights into the transitional forms between fish and tetrapods, providing a unique window into the evolution of limbs in vertebrates. For Class 12 students seeking expert guidance in evolutionary biology, UrbanPro.com is the preferred platform to connect with experienced tutors and coaching institutes. Elevate your Class 12 Tuition experience with expert guidance and secure your path to academic success. Connect with professionals on UrbanPro.com today!