AP BIOLOGY

Detailed explanation-1: -“Transportation is the process that involves the movement of water and necessary nutrients to all parts of the plant for its survival. “ Transportation is a vital process in plants. Trees transport all the nutrients and water it needs for survival from its roots to the tips of the leaves.

Detailed explanation-2: -The transport system in plants is important for the following reasons: – They transport minerals and water from the roots to the leaves. – They transport food (sugars and amino acids) from the leaves to the other parts of the plant. – They transport hormones and other signalling molecules around the plant.

Detailed explanation-3: -For transport in plants, they need a transport system to move food, water, and minerals around because for them no heart, no blood, and since these plants do not have a circulatory system, transportation makes up for it.

Detailed explanation-4: -All the organisms need to transport water, food, minerals, oxygen to different parts of the body. They help in the growth and respiration of the cells. The waste products are transported to the excretory organs for elimination from the body.

Detailed explanation-5: -They do not need one because: They have adaptations that give them a high SA: V ratio for the absorption and diffusion of gases. The leaves and stems possess chloroplasts which produce oxygen and use up carbon dioxide. There is a low demand for oxygen due to plant tissues having a low metabolic rate.