One effect of desertification is

a. decreased amounts of salt in the soil

b. increased amount of vegetation

c. increased chance for erosion

d. increase in average rainfall

What is the best-known carbohydrate?

Isolated volcanic peaks on the ocean floor are

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.