Answer:Amphibians evolved during the middle of the Devonian period (416 to 359 million years ago) from the lobe-finned fish of the vertebrate class Sarcopterygii. Species within the genus Ichthyostega (members of the Labyrinthodontia subclass) are considered by some scientists to be the earliest amphibians.
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How everything on the earth are interconnected.
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True Magma is a Is heated up by the core and is hotter than lava
The answer is A because cells take in glucose and oxygen and make energy, with the waste products of CO2 and H2O