Changes in what are essential for evolution to occur.\nOptions:\n- (A) color of leaves\n- (B) genetic material\n- (C) learned behavior\n- (D) synthetic material\n- (E) the body's largest organ\n- (F) acquired characteristics\n- (G) sensory neurons\n- (H) Most plants Let's be accurate as possible.
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Mutations are essential for evolution to occur. Mutations are changes in the genetic material. Changes in the genetic material are essential for evolution to occur.
The final answer: (B).
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