How do the organs of the digestive system work together to complete the process and function of digestion?

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

How will you manage your time to accomplish the necessary tasks both on the job and at home?

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.