You are presented with the question "What can be harmed by poison?" and the following answer choices: 
- circulatory systems
 - venom
 - dead creatures
 - amphibians
 - toxins
 - living things
 - some mammals
 - some invertebrates

Now knowing that insect bites cause harm to living things and insect bites are another source of poisoning, choose the best answer.


 

      living things   