Question

why is transport of material necessary in a plant or in an animal. Explain​

Answer 1

if transpotataion will no occurred in the plant and animal then the different body organs did not get the energy required and also for the development of their body

Answer 2

The food producing areas and the storing or utilizing areas are long. So, simple diffusion cannot transport the food and water from one place to another.

Thus. A mechanism for the transportation of food and water is required.