Why are invasive species dangerous to the environment?
They pollute the environment.
They are voracious predators.
They threaten biodiversity.
They are nonrenewable.

They threaten biodiversity.

Explanation:

bringing a species that is not native to the environment can can cause many problems because, most animals wont eat that species and they usually survive better than other species.  

- for example the gypsy moth is an invasive species. moths eat trees and if no animals eats them, they threaten not only the tree but us humans that the trees provide oxygen to.

C

THE ANSWER IS THEY THREATEN BIODIVERSITY

i think it would be c

hope this : )

c.) polymerase chain reaction

- "unlike the original dna fingerprinting method, dna profiling does not use restriction enzymes to cut the dna. instead it uses the polymerase chain reaction (pcr)? to produce many copies of specific str sequences. pcr is an automated procedure that generates lots of copies of a specific sequence of dna."