How do parasites feed? How do plants feed?

Parasites are creatures that feed on other organisms of the animal and plant world. Parasites temporarily or permanently arrive in the body of their “victim”. They most often feed on blood.
Plants receive all the necessary nutrients from the air and soil. With the help of the roots, soil nutrition is carried out, that is, the absorption of water and salts dissolved in it. With the power of the leaves, air nutrition occurs. This is a very complex process. The entry into the leaves and their assimilation of carbon dioxide from the atmosphere , as well as the assimilation of some salts. This is, air nutrition.