seed ferns and gymnosperms Flashcards
1
Q
seed ferns pteridospermatophyta
A
fern like plants with seeds evolved from progynmnosperms gametophyte is now growing on the sporophyte pollen produced by microsporangium allows for dry environemtn
2
Q
what did lycopods become replaced by
A
gymnosperms
3
Q
progymnosperms
A
archaeopteris
is a tree has a ring of cambium
4
Q
gymnosperms
A
naked seed have tracheids pollen grains and female carpal male an female cone wind pollination incldes cycads gingkos conifers gnetophyte and flowering plants
5
Q
cycadophyta
A
were the girst dominant gymnosperm
were dioecious male and female cone
dought tolerant, simple inflexible wood strctuee
6
Q
ginkgophyta
A
decidieous and dioceious
7
Q
conifers pinophyta
A
monoecious male and female cones on the same plant
tall long lived stress tolerant
8
Q
gnetophyta
A
ahare features with flowering plants eg a xylem
