A woman is taking a hike and sees a rattlesnake appear on the path near her feet. She is startled and as a result, her heart rate increases and she runs in the opposite direction. The woman's heart rate is able to increase because heart rate is not maintained through homeostasis.
O True
O False

Directions: read the descriptions of the four islands presented in the lesson. 1. list two new traits that each new species of rat might demonstrate as it adapts to the conditions on each island. 2. introduce one of the four new rat species to another island and describe one challenge it would encounter and one success as it adapts to its new environment.