You are presented with the question "What has a circulatory system with one or two hearts that pump blood?" and the following answer choices: 
- squids
 - fur seals
 - the Sun
 - goats
 - the ocean
 - rocks
 - sharks
 - 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.


 

 squids        