In order for a layer of rock to be considered a formation usable for relative dating, it must be spread across a relatively large area that can be depicted on a geologic map. Why is this important?

What is a sex-linked genetic disorder that disrupts the blood's ability to clot? a.achondroplasia b.huntington's disease c.hemophilia d.albinism

Which of the following leukocyte is not correctly matched with its function? lymphocytes: immune response against viral infections eosinophil: bacterial macrophage monocytes: macrophage basophils: inflammation eosinophil: bacterial macrophage

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.