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.

an adaptation is a change or process by which an organism takes to be better suited for its environment. for example; migration is a behavioral adaptation, this is needed because birds are not built to last extremely cold climates. there are different adaptations because there are different species needing to adjust to different things, bears don't migrate; they hibernate.

the answer to your question is b