9a. Geological Time (2)
Evolution Learning Targets 1-17. Guided Reading Review.
The 4 basic characteristics of chordates…. › Have a single, dorsal, hollow nerve chord › Gill or pharyngeal slits › a notochord › a post anal tail
Earth in Motion. Principle of Uniformitarianism: Processes observable and measurable today have created all the geological features, over long periods.
Evolution/ Natural Selection/ Decent with Modification
