Question

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Which of the following is not a way that nonnative organisms are introduced to new aquatic ecosystems related to commerce?
a.
cargo ship hulls
b.
recreational boats
c.
escape from aquariums
d.
migration


Please select the best answer from the choices provided

A
B
C
D

Answer 1

D

Migration is a natural movement of organisms, not an introduction pathway tied to commerce (the others are human-related transport).