Plant and animal life faced many challenges when moving from water to land in the process of evolution. Hence it is false to state that Organisms tended to dry out upon moving to land. If they did, none would have survived.
According to scientists, life began to move from water to land about four hundred and thirty million years ago.
Ancestral vertebrates are said to have evolved from fish. Before, their arrival on land, Plants covered the earth completely. Hence the correct answer is B.
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