Ediacaran fauna - PowerPoint PPT Presentation

Proterozoic

Proterozoic. Neoproterozoic 1 -0.545 bybp Mesoproterozoic 1.6-1 by Paleoproterozoic 2.5- 1.6bybp. How is the Proterozoic different from the Archean?.

★ ★ ★ ★ ★

540 views • 18 slides

History of Life

History of Life. Emergence 3/25/08. History of Life. 3.9 – 2.5 Ma Chemoautotrophic prokaroytic cells (chemical evidence only) 3.5 Ma estimated lifetime of Last Universal Ancestor 3.0 Ma Cyanobacteria (photosynthesizers) 2.1 Ma Eukaroytes Present (Red Algae)

★ ★ ★ ★ ★

322 views • 16 slides

Laurentia

Laurentia Laurentia, or the Laurentian Shield, or the Canadian Shield is the geological term for the North American Craton.

★ ★ ★ ★ ★

168 views • 14 slides

Geologic Time Review

Geologic Time Review. Answers to p.126 and Study Guide Extra Review Questions. P. 126. Organic evolution Geologic time scale Eon Natural selection Species. P. 126. D D D A B. A A C B A. STUDY GUIDE. B B D D D A. D A D D C A. A D A A C B. STUDY GUIDE.

★ ★ ★ ★ ★

196 views • 8 slides

View Ediacaran fauna PowerPoint (PPT) presentations online in SlideServe. SlideServe has a very huge collection of Ediacaran fauna PowerPoint presentations. You can view or download Ediacaran fauna presentations for your school assignment or business presentation. Browse for the presentations on every topic that you want.