Multiple choice

A red tide is one type of harmful algal bloom. The causative agent for toxic red tides is

  1. Besnoitia

  2. Frenkelia

  3. Noctiluca scintillans

  4. Ceratium furca

  5. Neospora

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

Ceratium furca blooms because of coastal eutrophication. Blooms of this species cause toxic red tides (red-brown), damage fish gills and deplete dissolved oxygen causing anoxic conditions.