You are presented with the question "Something belonging to the phylum Platyhelminthes has what?" and the following answer choices: 
- alleles
 - resistance
 - A finger
 - parasites
 - illness
 - An ear
 - A toe
 - A brain

Now knowing that flatworms belong to the phylum Platyhelminthes and flatworms have brains, choose the best answer.


 

        A brain 