What is 1-7 can u help me plz??

Which entry is in the wrong position in the table?

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?