An invasive Species is a plant that isn't native to another location; and has a tendency to spread, which may be believed to cause damage to the environment, human economy and human health.
Example #1: Aerial Organisms (Like birds) has shockingly similar traits to raptors and small feathered lizards capable of flying.
With how shockingly similar these creatures are, why aren't they called 'raptors?'. Well, they are actually, because they are proven to have incredible resemblance to their ancient ancestors. Chickens included, they are actually one of the closest relatives to the Tyrannosaurus Rex, one of the most famous dinosaurs.
Answer:
Frameshift mutations change the entire protein sequence and messes up the entire amino acid sequence that occurs after mutations, but substitution only changes one single amino acid.