Penny bought a club moss plant for her water garden. she needs to know how tall the plant will grow so she knows how much space it will need.
how tall will the plant likely grow?
less than 5 centimeters because it is a seedless vascular plant
less than 5 centimeters because it is a nonvascular plant
more than 5 centimeters because it is a seedless vascular plant
more than 5 centimeters because it is a nonvascular plant

more than 5 centimeters because it is a seedless vascular plant

Explanation:

Club moss it is a seedless vascular plant. Generally non vascular plants grow no more than 10cm. However, vascular plants, due to their circulation system grow taller.  

The xylem and phloem serves plants as a system to get nutrients further. It also serves as a sustain, this makes vascularized plants achieve greater height.

You wouldn't know it doesn't say the exact the plant is

practical process described pest part of scientific investigation.

because practical knowledge is powerful then therotical knowledge.