This Allows organisms such as bacteria to rapidly adjust their transcription patterns in response to environmental conditions. in addition regulatory sites on prokaryotic DNA are typically located close to transcription promoter sites - and this plays an important part in gene expression
Another geologic event that may occur in the dark shaded area on the map is wildfire. The dark shaded area as shown in the map, is an area more commonly known as "The Ring of Fire". Volcanic activity is very common in this area, due to to the many volcanos present.
Biodiversity: Tropical rainforests are areas of extremely high biodiversity compared to other ecosystems. Biologists estimate that tropical rainforests contain about 50% of the world's terrestrial plant and animal species, yet they encompass only about 6% of the world's land area.