Substances need to be transported to all to allow reactions to occur and products need to be removed

Plants can continue to throughout their lives which means they can become very . This means substances need to be transported a long way from the to the

The plants large size results in a : ratio. Their and adaptions of the help to increase the SA:V ratio

and ions are needed from the via the

Plants need to transport as not all plant cells to produce so the transports

Xylem transports and ions the plant

Phloem transports , such as , around the plant (in directions)