You are presented with the question "An animal which may have one or two hearts to pump blood is:" and the following answer choices: 
- squid
 - goats
 - bats
 - mammals
 - toads
 - Birds
 - edible
 - a fish

Now knowing that mollusks have a circulatory system with one or two hearts that pump blood and interestingly, a squid is also a mollusk, choose the best answer.


 

 squid        