Over time, plants developed structural adaptations of vascular systems and seeds in order to

Transport materials such as fluid and propagation

Explanation:

Planta with vascular systems are called tracheophytes, this plant dominate the ecosystem in terrestrial habitat and were successful because of their tube like vascular tissues.

The vascular tissues are used in transporting of fluids such as minerals, photosynthate and are usually made up of cells that are long and narrow end that forms tubes. There are two different types of vascular tissues, called xylem and phloem.

This systems help transport nutrient required for plants growth and development to avoid plant loss and redundant growth.

Seed plants allows them for propagation and ensures continuity

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