1. Aquatic Food Web Algae - Producers Benthos - Mud Dwelling Scavengers and Decomposers Zooplankton – Herbivores and Carnivores Macroinvertebrates – Herbivores, Carnivores and Omnivores Foraging Fish – Carnivores, Herbivores, and Scavengers Floating and Submerged Vegetation - Producers Oxygen, Carbon Dioxide, + Heat and Light Energy Nutrients from the land Illustrations by

2. Decomposers: crustaceans, midge larva Picture is reprinted with permission from Dr. Denise B. Stoeckel, Illinois Natural History survey, http://dnr.state.il.us midge larva amphipod

3. Herbivores: mayfly and water penny Pictures reprinted with permission from Leska Fore, King County Regional Water Quality, http://www.seanet.com/~leska

4. Carnivores: Dragonfly larvae, Hellgramite Illustrations by

5. Omnivores: Example - Crayfish Pictue reprinted with permission from Leska Fore, King County Regional Water Quality, http://www.seanet.com/~Leska

6. Isopod & Amphipod Pictue reprinted with permission from Leska Fore, King County Regional Water Quality, http://www.seanet.com/~Leska

7. Caddisfly life cycle Picture reprinted with permission from Karen Heathman, Indigo Ink Graphic Design, http://www.kidfish.bc.ca

8. Head Abdomen Thorax Adult Damselfly Insect Illustration by Six Legs

9. Picture reprinted with permission from Brett Crans, new Jersey Mosquito Control Assoc., Inc., http://www.njmosquito.org Mosquito life cycle

10. Fishing spider with bubble Photo reprinted with permission from Soni Cochran, Univ. Of Nebraska Lincoln Dept. of Entomology, http://entomology.unl.edu/images/spiders/dolomedes2.jpg