3: Origin of Trees & Forests

Origin of Trees; Rise of Forests (385-275 Ma)

Lecture Resources

Session 3 Notes


Geologic Periods

Events of Note

Plant groups covered in class

Extended Learning - Groups Not Covered in Class

Questions for Thought

  • Why was the developmental control of apical cell branching crucial to land plant evolution?

  • What advantages did early clubmosses have over rhyniophytes?

  • What advantages did trimerophytes have over rhyniophytes?

  • How was the growth of the Lepidodendrids important to the formation of fossil fuels?

  • What are the strengths and weaknesses of the Telome Concept?

  • How are horsetails from the Carboniferous and modern day similar and different?.

  • Plants may be the cause for the Late Devonian extinction event. Explain how.