Which plant group is characterized by dominant sporophyte vascular and seeds exposed to cones

Gymnosperm

Explanation:

Gymnosperms are vascular plants which are characterized by their naked seeds. An example of a Gymnosperm include conifers, cycads, Ginkgo.

Gymnosperms are plant group which are also characterized by dominant sporophyte vascular and seeds exposed to cones.

Angiosperms are also a type of vascular plant but they have seeds which are enclosed. Am example is beans, maize etc.

when you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. this increases the space in your chest cavity, into which your lungs expand. the intercostal muscles between your ribs also enlarge the chest cavity. they contract to pull your rib cage both upward and outward when you inhale.