*Question*: In a healthy forest, dead trees and limbs fall to the ground and decompose. Which of these statements best describes why decomposition is important to a forest ecosystem?
*Answer*: Nutrients are released when wood is broken down.

*Question*: A fox gave birth to an offspring that had a better sense of hearing than most foxes. How could this small change most likely result in descendants that are different from the original fox?
*Answer*: Over time, descendants of this fox may hear and hunt prey better than other foxes.

*Question*: A group of students found metamorphic rocks near a campsite. The presence of metamorphic rocks is most likely evidence of
*Answer*:
high pressure