What is the purpose of the taxonomic system? A. to require scientists to use standard units of measurment
B. to organize living organisms in a meaningful
C. to determine the biochemistry of different species
D. to extend scientists abillity of magnify living 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

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?

2. which is the last step in the scientific method?