Scientists are monitoring a whale's weight by observing its weight change once a week, over a 4 week period. how much has the whale's weight changed over the entire 4 weeks?

Construct an explanation about the function of mitosis for multicellular organisms

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

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.