Plants and Corals during the Ordovician time period (Back in Time Project)
Avildsen, Christina, et al. “The Ordovician Period.” The Ordovician Period, University of California Museum of Paleontology, 1999, www.ucmp.berkeley.edu/ordovician/ordovician.php. Chatelain, E., and C. Barnbaum. “Ordovician.” Virtual Museum of Fossils, Valdosta State University, fossils.valdosta.edu/home_time.html. “Geologic Time Scale.” Geologic Time, EnchantedLearning.com, 1997, www.enchantedlearning.com/subjects/Geologictime.html. Images: https://melbournechapter.net/images/fern-clipart-prehistoric-plant-1.png http://www.ucmp.berkeley.edu/ordovician/ordovicsea.gif https://upload.wikimedia.org/wikipedia/commons/thumb/2/2e/Coral_Outcrop_Flynn_Reef.jpg/300px-Coral_Outcrop_Flynn_Reef.jpg https://cdn1.vectorstock.com/i/1000x1000/17/05/north-and-south-america-map-vector-1281705.jpg Music: https://billwurtz.com/reggae-car-dealership.mp3
