Some people go to Yellowstone national park and see if anything is different and take samples and get money but they have to gave some of the money to the park. They take bacteria from hot springs , geysers, and other thing to like animals. But doing that must be hard and challenging  to do all that wroke of sure is tiering for them. Take DNA fingerprinting process in 1997,the park signed a benefits. National Park Service for the preservation of wildlands the commercial use of park specimens or required for scientific analysis. Increasingly, private companies come to geysers basins in the park to collect samples of the unusual. Long-standing laws and regulations insect parks to allow scientific research as long as it does no ham to the park resources or values.let me tell you of pros and cons. Pros are something that is good and cons is something that is not good.

                             Pros                                                                                                                                                          Cons

                     removes bacteria.                                                                                                                                         removes all the plants.

competed long-stand laws.                                                                                                                                  removes all the animals.

they earned a lot of money from finerping DNA.                                                                                                          removes the park.