Pharmaceuticals is a demanding and challenging field which tests your knowledge of DNA technology and medicine because they are the ones making drugs for new diseases and such. Thus they need to know how to prepare those drugs to target certain cells or organelles and such and need to know how it will affect the human being and/or other living beings
this is because in ecosystem 1 there are only predators and no other species are observed. therefore predators have less food to eat thus they will die of hunger or move to another ecosystem
