1. Life Moves to Land

Introduction; Plant Origins; Invasion of the Land (550-450 Ma)

Lecture Resources

Session 1 Notes

Geologic Periods

Events of Note

  • Continent formation; plate tectonics

  • Land plant ancestors

  • Invasion of the land by plants

  • Origin of cuticle, rhizoids, support

  • Fungi-plant associations

Plant groups involved

Questions for Thought

  • What evidence can be discerned from compression and/or impression fossils?

  • How does a cast or a mold fossil form?

  • What would the terrestrial ecosystem look like during the Cambrian?

  • What adaptations made life on land possible for plants?

  • What were the benefits of producing upright axes during the Ordovician Period?