bacteria - the simplest and smallest forms of life. Bacteria exist in large numbers in air, water and soil, and also in living and dead creatures and plants, and are often a cause of disease - แบ็กทีเรีย, เชื้อแบกทีเรีย
bacteria - the simplest and smallest forms of life. Bacteria exist in large numbers in air, water and soil, and also in living and dead creatures and plants, and are often a cause of disease - แบ็กทีเรีย, เชื้อแบกทีเรีย