Biology 2010 Student Edition

Published by Prentice Hall
ISBN 10: 9780133669510
ISBN 13: 978-0-13366-951-0

Chapter 21, Protists and Fungi - Standardized Test Prep - Page 631: 5



Work Step by Step

A red tide occurs when protists called dinoflagellates grow to excessive numbers in the ocean. Dinoflagellates produce toxins that can build up during these blooms that can poison sea-dwelling organisms such as shellfish and fish.
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