Answer:
the Echinoderms.
Explanation:
Examples of echinoderms: starfish, sea urchin, feather stars and sea cucumbers.
<span>a. glucose and oxygen
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Photosynthesis is the process by which the plants make their food with the help of sunlight. This food helps the plant to live and grow. The by-products created by photosynthesis are glucose and oxygen. The glucose is used by the plants for growth and oxygen is released in the air. </span>
