Anyone know anything abt guinea pigs?

What would be the most likely result if the ph of the stomach were increased to 5

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

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