The introduction of invasive North American ctenophores into the Black Sea and the Sea of Azov has
A)given unexpected help to the fisheries there by providing a new food source.
B)resulted in the extinction of the native European ctenophores.
C)decimated fisheries because the invasive species competes for food with commercial fish species.
D)crippled the tourist industry because ctenophores sting swimmers.

Question

Quizplus · Accepted Answer

The introduction of invasive North American ctenophores into the Black Sea and the Sea of Azov has decimated fisheries because the invasive species competes for food with commercial fish species.

The Introduction of Invasive North American Ctenophores into the Black