Phản xạ có điều kiện có ý nghĩa như thế nào trong đời sống con người? A.Có tính di truyền, mang tính chất chủng loại. B.Mang tính bền vững, giúp con người giữ được các phẩm chất đã được hình thành qua thời gian dài sinh sống. C.Có tính linh hoạt cao, giúp con người dễ dàng thay đổi thói quen để thích nghi với điều kiện sống mới. D.Có tính chất cá thể, tạo ra sự đa dạng sinh học trong nội bộ loài người.

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