In an ecosystem not all of the energy that is available is used by the organisms. Some energy becomes unavailable before it can be transferred to organisms in the next trophic level. How does the energy MOST likely become unavailable?

Study this image which statement best describes the rock shown check all that apply

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

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.