equisetum
Stem of gymnosperm is aerial.Stem of pteridophytes are mostly underground.Tree Ferns have long aerial stems but these are Pteridophytes. The real difference is that gymnosperms bear seeds pteridophytes are without seeds.
Pteridophytes or gymnosperms
gymnosperms
Fossil
fossil or fossil record hope this helps -sj
a living fossil fuel.
Stem of gymnosperm is aerial.Stem of pteridophytes are mostly underground.Tree Ferns have long aerial stems but these are Pteridophytes. The real difference is that gymnosperms bear seeds pteridophytes are without seeds.
fossil
the ginko living species look similar to its fossil ancestors
Fossil fuels come from once living things.
Selaginella and Dryopteris .
Pteridophytes or gymnosperms
yes
Among the Living was created in 1987.
Ferns belong to pteridophytes
gymnosperms
Fossil