Slide 116.1 Prokaryotic life began on a young earth Slide 2 I. The Oldest Fossils A. Stromatolites- are thin layers of rock that contain ancient fossils B.Prokaryotes are…
Slide 1 Viral Structure, Lifecycles and Aids Slide 2 I. Virus- segment of DNA or RNA wrapped in a protein coat Slide 3 A. Characteristics 1. Non-cellular 2. No organelles…