Question

Amphibians first appeared in period.

• A. Silurian
• B. Devonian
• C. Permian
• D. Carboniferous

Answer 1

Answer:

B. Devonian

• Amphibians first appeared during the Devonian period (approximately 375-359 million years ago), evolving from lobe-finned fish ancestors like Ichthyostega and Elginerpeton that developed limbs capable of terrestrial movement.