Let's think step by step! What is essential for evolution to occur?\nOptions:\n- (A) Changes in DNA sequences\n- (B) Plant reproduction\n- (C) Natural disasters\n- (D) Gamma radiation\n- (E) biological diversity\n- (F) DNA sequences staying the same\n- (G) the environment\n- (H) that material's properties
The thinking starts now:
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Mutations are essential for evolution to occur. Mutations are changes in the DNA sequence. Changes in DNA sequences are essential for evolution to occur. The final answer: (A).
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