Toxic Algal Blooms

Question

Toxic algal blooms
A) Have only been observed in species of dinoflagellates
B) Are always characterized by red colored waters
C) Have been observed in some species of diatoms
D) Have been observed in floating green seaweeds off of Japan

Accepted Answer

Toxic algal blooms have been observed in various types of algae, including some species of diatoms, not just dinoflagellates. They can occur in different colors, not always red, and have been noted in other algae besides floating green seaweeds.