Oceanography Study Guide Sample Pages

These water invertebrates can be classified into four different groups depending on how sensitive they are to pollution. These groups are very sensitive, sensitive, tolerant and very tolerant. Stonefly nymph By böhringer friedrich - Own work, CC BY-SA 2.5, https://commons.wikimedia.org/w/index.php?curid=2187465 Page 839 2018 TRIAL EDITION Copyright Wet Paper Publications Sa m ple page