You are presented with the question "What has a positive impact on forests?" and the following answer choices: 
- genetic diversity
 - some invertebrates
 - planting trees
 - food and shelter
 - lowered energy cost
 - extinction of species
 - logging
 - canopy removal

Now knowing that planting trees has a positive impact on an ecosystem and indiana forests are complex ecosystems, choose the best answer.


 

   planting trees      