They are about twice the size of red blood cells and turn into a macrophage when they migrate out of the blood into the tissues.
a. lymphocytes
b. neutrophils
c. monocytes
d. eosinophils

Which organelle breaks down sugar molecules that supply energy to the cell ?

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.

Why should organisms reproduce more offspring than will survive? select all that apply.