This devastation has wrecked many ecosystems. The state has lost 90 percent of our coastal wetlands and inland wetlands, 99 percent of our riparian areas, and most of our native grasslands. California is also a critical nexus for the biodiversity loss taking place in our oceans.
The different blood vessels; First, Arteries that carry the blood from the heart. Then, the Capillaries which allow an exchange of water and chemicals throughout the blood and the tissues. Finally, Veins that carry blood from the capillaries to the heart.
Answer - They can threaten the biodiversity of native.
Reason - Reason being they can threaten to the native is due to the invasive, reproduction, no predator to kill. Which leads to economic problems and environmental issues. :)