In this birds worksheet, students answer 25 short answer questions about birds. They color and label the different parts of a bird and fill in the correct term given the definitions.

The innovative resource investigates endothermy and ectothermy. Students compare body temperature of a snake and rat before and after exposure under a heat lamp. The activity has an interactive online version and a printable data sheet.

[Free Registration/Login may be required to access all resource tools.] An overview of vertebrate evolution and when important vertebrate traits evolved.

[Free Registration/Login may be required to access all resource tools.] Describes how mammals maintain their body temperature.