The material in this month's pages looks at how aquatic organisms interact with each other and how they obtain what they need from their environment. The study of the interrelationships of organisms with each other and with their environment is the study of ecology.
Background: Aquatic Ecosystems
Illustration: Aquatic Invertebrates
Article For Newsletter: Wildlife Communities In Action
Article For Newsletter: Aquatic Insects
Article For Newsletter: FAQ's About Brook Trout