Multiple choice

A neurotoxin is a substance that is capable of causing damage to nerves or nerve tissue. It is commonly secreted by ______________.

  1. slime molds

  2. Gonyaulax

  3. diatoms

  4. brown algae

  5. red algae

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The dinoflagellates causing red tides are known as Gonyaulax, which contain a neurotoxin and are poisonous to marine fauna.