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Chapter 22: Seed Plants 1- Seed plants without Flowers - Coggle Diagram
Chapter 22: Seed Plants 1- Seed plants without Flowers
Conifers
Transfusion tissue
Transfusion tracheids
Long shoots
Leaves
Short shoots
Needle leaves
Simple cones
Pollen cones
Single unbranched axis
Bears microsporophylls
Seed cones
Suspensor
First cells elongate
Push cells deep into megagametophyte
Proembryo
Develop into the embryo
Cycads
Maidenhair Tree
Gnetophyta
Gnetum
Ephedra
Welwitschia mirabilis
Seed Ferns
Cycadeoids
Progymnosperms
Archaeopteridales
Evolution of Seeds
Micropyle
Hole for sperm to swim to egg
Pollen chamber
Aneurophytales
Vascular cambium, secondary growth
Protostele Xylem
Webbing between the branches
