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7 Cards in this Set

  • Front
  • Back
wat % of time is the pre cambrian
wat was needed in beginning of life
Energy - UV rays and lighting
and the coming together of elements
wat was needed definantly in early life
amino acids
wat are monomers
simple organic molecules
wen did rodina break up
750 mya
what was eidacaran fossils and wen were they live
invertibrates 670 -570 mya
wat are a few hard parts on invertibrates found in the eidacaran fossils
chitinous carapace
calcium carbonate