Based on Acanthostega Fossils, Scientists Now Believe That the Earliest

question 26

Multiple Choice

Based on Acanthostega fossils, scientists now believe that the earliest tetrapods were

• A) fully terrestrial.
• B) amphibians that used their limbs to drag themselves over the land from one water hole to another.
• C) fish that used their limbs to raise themselves out of the water to get gulps of air for oxygen.
• D) reptiles that resembled crocodiles.

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