You are presented with the question "What can live in salt water?" and the following answer choices: 
- otters
 - spider
 - amoeba
 - clam
 - alligator
 - ducks
 - goldfish
 - voles

Now knowing that mollusks live in most terrestrial, freshwater, and marine habitats and mollusks tend to be shore-dwelling creatures, choose the best answer.


 

    clam     