High concentrations of sediment in the water can block out sunlight needed by aquatic plants for photosynthesis. This condition will most likely result in
a
decreased concentrations of nitrogen.
b
increased concentrations of nitrogen.
c
decreased concentrations of oxygen.
d
increased concentrations of oxygen.

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.