You are presented with the question "Doing what has a positive impact on organisms and their habitat?" and the following answer choices: 
- hydrate their cells
 - exercise
 - By coral exoskeletons
 - planting trees
 - trimming trees
 - planting grass
 - buying flowers
 - support

Now knowing that planting trees has a positive impact on an ecosystem and an ecosystem includes the organisms and their habitat, choose the best answer.


 

    planting trees     