How are species that were once thought extinct being found again? (What tools and methods are being used) https://youtu. be/-17TIVjVuTY using the information from this video

fossils I think- correct me if I'm wrong dkfnjdf

Explanation:

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )