Why is transport of materials necessary in a plant or in an animal? Explain.
Answer:
Transport of materials is necessary for regular supply of nutrients and oxygen by every cell in both plants and animals. The food is transported to every cell for absorption. Oxygen and carbon dioxide are transported to and from all the cells. A system for constant removal of waste materials is required. For the transport of all these materials (food, gases, and wastes), plants and animals need a complex transport system