The sharp, inch-long thorns of the crown-of-thorns sea star are its spines. These spines, unlike those of most other sea stars, contain a potent toxin. If it were discovered that crown-of-thorns sea stars do not make this toxin themselves, then what is the most likely alternative source for the toxin?

Question

Quizplus · Accepted Answer

The most likely alternative source for the toxin in crown-of-thorns sea stars, if they do not produce it themselves, would be from the nematocysts of their prey. This is because many marine organisms acquire toxins through their diet, particularly from consuming prey that possess toxic defenses.

The Sharp, Inch-Long Thorns of the Crown-Of-Thorns Sea Star Are