Select the correct answer.

How is relative-age dating used to determine the ages of fossils?

How can an organ, such as the lungs, work for multiple body systems?

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic

14) whenever diploid populations are in hardy-weinberg equilibrium at a particular locus a) the allele's frequency should not change from one generation to the next, but its representation in homozygous and heterozygous genotypes may change. b) natural selection, gene flow, and genetic drift are acting equally to change an allele's frequency. c) this means that, at this locus, two alleles are present in equal proportions. d) the population itself is not evolving, but individuals within the population may be evolving.