non-native plants, pests, and diseases are often introduced to the U.S from around the world. these invaders have the power to cause damage to an area and to a specific species living in the area . the Chesapeake bay is no stranger to foreign invaders. which non-native species is the greatest threat to the salt marsh habitat causing significant erosion?
A) Nutria
B) Phragmites
C) Zebra Mussels
D) Chinese Mitten Crab