How Would Exposure to Saxitoxin from Algae Cause Changes in Clams

Multiple Choice

How would exposure to saxitoxin from algae cause changes in clams?

A) Saxitoxin would cause mutations to occur in the clam's DNA
B) Saxitoxin would increase the mutation rates in clams
C) Saxitoxin would select existing mutations in the clam population
D) Clams sensitive to saxitoxin would migrate away from the algae bloom
E) Clams would want to change their Na⁺ transporters to become resistant to saxitoxin