A student measured the oxygen and carbon dioxide composition of exhaled air during exercise. What differences would you see in the composition of exhaled air at rest compared to exhaled air during exercise?

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.

Archaebacteria use for movement. celia flagella pili cell walls

Describe the relationship between isotonic solutions, equilibrium, and water movement into and out of a cell.