<span>The reason why the modern cockroaches have certain additional genes which allow them to survive in today’s colder climate is because of evolution. The species can grow to be able to live in certain environments. Cockroaches are to some degree summed up creepy crawlies without extraordinary adjustments like the sucking mouthparts of aphids and other genuine bugs; they have biting mouthparts and are likely among the most primitive of living neopteran bugs.</span>
D. esophagus moves air from nose into the lungs
Nitrifying bacteria in the soil convert ammonia into nitrite (NO2-) and then into nitrate (NO3-<span>).</span>
Larger organisms have smaller
cells than small organisms. <span>Large organisms are made up of
many small cells such that there is an increase in the amount of surface
area in comparison to volume. This gives the large organism a better chance at
survival.</span>