Plants are grouped into two main categories based on this
Vascular system (xylem and phloem)
Plants with vascular systems are called
Tracheophytes
Plants without vascular systems are called
Bryophytes
Two categories of tracheophytes based on reproduction
Seed plants and nonseed plants
Seed plants reproduce by
Seeds
Nonseed vascular plants reproduce by
Spores
Tiny one-celled reproductive structures that produce new plants
Spores
unusual characteristic of the _______ is chlorophyll containing stems
horsetail
spors in club shaped cone like structures
club moss
form a lush green coating
mosses