What are the common issues for someone who has sickle cell anemia?

What protects the lining of the stomach from acidic gastric juices?

How does a lytic infection differ from a lysogenic infection?

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.