A Species Which Uses Saxitoxin as a Defense Is

Question

A species which uses saxitoxin as a defense is:
A)Alexandrium minutum
B)Acartia tonsa
C)Amanita phalloides
D)Amanita muscaria
E)Trypanosoma brucei

Accepted Answer

Alexandrium minutum is a dinoflagellate that produces saxitoxin as a defense mechanism. Saxitoxin is a potent neurotoxin that affects the nervous system of predators and can cause paralysis or death. Saxitoxin is also responsible for paralytic shellfish poisoning (PSP) in humans who consume contaminated shellfish.