How do plants make food? Unlike animals, plants make their own food. Photosynthesis Photosynthesis is the process in which plants make their own food. To carry it out, plants need water, mineral salts, carbon dioxide and sunlight. During photosynthesis, plants release oxygen into the air. TH I N K AB0UT IT ! How do we take care of plants at home? word bank elaborated sap photosynthesis raw sap Roots take in water and mineral salts from the soil. This mixture of water and minerals is called raw sap. 1 Raw sap travels up the stem to the leaves. 2 28 · t w e n t y - e i g h t
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