In this ecology vocabulary exercise:  wetlands activity, students read the definitions of 8 words, then categorize a species found in a wetland in their region.  This page has numerous links to helpful web resources.

In this ecology worksheet, students read the vocabulary words and then categorize a species found in a field, meadow, or fencerow in their state or region. Students complete 6 problems.

In this bluebirds instructional activity, students categorize bluebird species found in their state and define vocabulary related to it. Students complete 6 vocabulary words.

In this using infinitives in context worksheet, students read an article containing infinitives, then interactively complete 8 sentences with immediate online feedback.