Gymnosperms were the first seed plants. They do not make flowers or fruits, so their seeds are unprotected, hence the name gymnosperms which means "naked seed".
These seeds are wind-dispersed pollen that doesn't need water for fertilization.
Idk the answer choices, but i would say Environment and Genetics!
Ser?
maybe?
a=u
g=c
c=g
and ucg =ser
