'Prehistoric era' presentation slideshows

Earth

Earth. Introduction. What did life look like when the first living organisms appeared 3 billion years ago? What about during the age of the dinosaurs? How can we be sure that dinosaurs really existed? This section examines the origins of life, extinctions and the appearance of humans.

461 views • 29 slides

Prehistoric Cave Art

Prehistoric Cave Art. How does art inform us about the past?. Prehistory. Prehistory ? Period before written/recorded history (no written documentation). Why is studying the prehistoric era problematic?. How does art inform us about the past?.

328 views • 10 slides

217 views • 10 slides

The American Alligator

375 views • 8 slides