Mountain beetles that feed on trees in canadian forests are destroying the forests because the beetle population is:

They are an invasive species introduced into an environment through artificial means.

That statement is true. When a frog hatches from the egg, a fish like creature called a tadpole emerges. As the tadpole grow, lungs and legs grow, and the gills and tail "absorb," into the body. After that, the now frog creatures spends most time on land. Hope that helped! Vote this as the brainliest answer please!