The Connections program introduces specific ecological concepts.  Using pre- and post-visit activities teachers can help introduce the concept so the students are prepared for their visit.  The webpages below provide pre- and post-visit activities for your field trip:

First grade          Similarities and Differences

Second grade      Homes and Habitat

Third grade       Adaptation in Nature

Fourth grade       Order in Nature

Fifth grade       Continuity and Change

Sixth grade        Interaction and Interdependence

Seventh/Eighth   Limiting Factors

High School      Water in the Environment