Why can exotic species be a problem in conservation biology

if the species has never been dicovered befor it could mess up there research. All species lead back to each other and if a scientis were just to discover one then it would probaly mess up a lot of things and just cause mis hap in the system

I hope this helps! a brainlist and a thank would be greatly appreciated :)

thymine. in rna, thymine is replace by uracil

one would be wind another would be water density