dat_student Junior Member 10+ Year Member 5+ Year Member 15+ Year Member Aug 11, 2005 #1 Advertisement - Members don't see this ad Do we need to know the periods (e.g. plazoic, ordovician, silurian, permian, cambrian) and what oraganisms were developed in each period?
Advertisement - Members don't see this ad Do we need to know the periods (e.g. plazoic, ordovician, silurian, permian, cambrian) and what oraganisms were developed in each period?
H heshyn2000 Senior Member 10+ Year Member 5+ Year Member 15+ Year Member Aug 11, 2005 #2 dat_student said: Do we need to know the periods (e.g. plazoic, ordovician, silurian, permian, cambrian) and what oraganisms were developed in each period? Click to expand... yes Upvote 0 Downvote
dat_student said: Do we need to know the periods (e.g. plazoic, ordovician, silurian, permian, cambrian) and what oraganisms were developed in each period? Click to expand... yes
I ISU_Steve Cranky old man 10+ Year Member 7+ Year Member 15+ Year Member Aug 11, 2005 #3 By the way, it's Paleozoic. Just a friendly FYI. 🙂 Upvote 0 Downvote