1 point. This time period is known for: first hard parts, a huge evolutionary explosion of diveralication, first chardatos. The abundance of fossils starting here is so different from oider. rocks, that the older rocks are all lumped together. What is the name of this time period? Proterozoic Devonian Cambeian Jurassic Cenozolc 7 1poins What important evolutlonary advances occurred in the Paleozoic? SELECT ALL THAT APPLY First shells Fint mammals Fint jews Iint hardishelled eigs Animals walking on land First trees .