HELP! In a positive feedback loop, how are the response and original stimulus related?

The response counteracts the original stimulus.

The response amplifies the original stimulus.

The response stops the original stimulus.

The response does not affect the original stimulus. (WRONG)

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.