Word Parts and Roots Practice Test

During a prehistoric exhibit, a guide explained early humans lived long before written records. Later, the museum hosted a talk on unification, when separate groups joined to form one community. The speaker said cooperation helped people share resources and stay safer. What does the prefix in the word prehistoric suggest about its meaning?

A park ranger warned that deforestation removes many trees at once, leaving animals without homes. She explained that fewer trees can also mean less shade and more soil washing away in rain. Students planned to plant saplings to help the forest recover. Based on the passage, what does the word deforestation mean?