You are presented with the question "Conserving energy has a positive effect on what?" and the following answer choices: 
- Doing what you like
 - Increasing global temperatures
 - Animal survival
 - important habitats
 - animals with backbones
 - most organisms
 - Profits for oil companies
 - Most plants

Now knowing that staying warm has a positive impact on an animal 's survival and everyone needs to conserve some energy to stay warm, choose the best answer.


 

   Animal survival      