Pieces of dna that code for particular traits that can be inherited

Patient has just received an organ transplant which treatment would be most effective in preventing the patient’s body from

Which could be a pathway of food through an ecosystem

Which technology do environmental scientists use to track the movements or polar bears and other vulnerable populations? a) geographic information system(gis) b)environmental dna(edna) surveillance c) global positioning system(gps) d) unmanned aerial system (uas)