Biology teachers do not appear to have an association dedicated to them. Searches for "Biology Teachers Association" lead to the STAV site above. There are however, Facebook groups.
High school science teacher Tyler DeWitt was ecstatic about a lesson plan on bacteria (how cool!) -- and devastated when his students hated it. The problem was the textbook: it was impossible to understand. He delivers a rousing call for science teachers to ditch the jargon and extreme precision, and instead make science sing through stories and demonstrations. (Filmed at TEDxBeaconStreet.) Tyler DeWitt recognizes that textbooks are not the way to get young people interested in science. Instead, he teaches science by making it fun and fantastical.