1. Life Moves to Land
Introduction; Plant Origins; Invasion of the Land (550-450 Ma)
Introduction; Plant Origins; Invasion of the Land (550-450 Ma)
Lecture Resources
Lecture Resources
Session 1 Notes
Narrative
Narrative
Life Moves to Land (635-425 Ma)
Geologic Periods
Geologic Periods
Portions of the Paleozoic Era
Ordovician Period (485-444 Ma)
Cambrian Period (542-485 Ma)
Portions of the Neoproterozoic Era
Late Ediacaran Period (635-542 Ma)
Events of Note
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
Plant groups involved
Cyanobacteria
Fungi, including Glomeromycetes
Lichens such as Prototaxites
Questions for Thought
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?