3. Some organisms have traits that help
then survive in certain situations,
while others of the same species do
not. These Ferences happen by
due to genetic variation through
sexual reproduction
O chance
O planning

well they havent found the right guy for them so they aren't doing the nasty

earthquakes in florida are rare because the state is not located near any tectonic plates. in fact, florida is tied for first place as having the fewest earthquakes of any state. much of florida is limestone and seafloor materials that is not conducive to earthquakes.

explanation:

during the process of dna replication, brdu can replace thymidine and incorporate into the newly synthesized dna, cell proliferation thus can be reflected in the extent of brdu incorporation.