You are presented with the question "Some what are beneficial to humans?" and the following answer choices: 
- fungi
 - parasites
 - roots
 - humans suffering
 - natural disasters
 - honeybees
 - poisons
 - orchids

Now knowing that some parasites kill their host, but most do not and all parasites are harmful to their host, but some are beneficial to humans, choose the best answer.


 

  parasites       