Describes a difference between spermatogenesis and oogenesis?

Choose a mutation from those in model 2 that would be neutral for a cell. explain your reasoning by relating the mutation to the cellular respiration process.

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

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