Which of the following represents the correct sequence, smallest to largest, of the levels of organization?

a) organism, population, biosphere, biome
b) organism, ecosystem, biosphere
c) species, organism, community, biosphere
d) ecosystem, community, species

What statements describe a host organism?

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

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.