Answer:
Animals obtain glucose by eating plants, and fungi and bacteria absorb glucose as they break down the tissues of plants and animals.
And for humans it mainly comes from foods rich in carbohydrates, like bread, potatoes, and fruit. As you eat, food travels down your oesophagus to your stomach. There, acids and enzymes break it down into tiny pieces. During that process, glucose is released.
Step-by-step explanation: