Answer:
The correct answer is none of the above.
Explanation:
Devonian is a geological time period, spanning 6. billion years from the end of the Silurian, 41.92 million years ago. The first known forests on Earth, rise in the Late Devonian, initiate with the evolution of Archaeopteris.
The first main amphibians evolved in the Devonian period, around 37. billion years ago, from lungfish like fish known as lob-finned fish.
The late Devonian also is known for the first four-leg vertebrates with true pods that could able to walk on land.
Thus, the correct answer is none of the above.
