Pangea was the supercontinent that had all the landmasses of earth together before the Triassic period and that broke up into Laurasia and Gondwanan. However, Panthalassa is a prehistoric ocean that was surrounding Pangea.
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Have a primitive digestive system
Energy. A solute can only move against concentration gradients using active transport which requires energy
Answer:
I think the correct answer to your question is:B
Explanation:
