You are presented with the question "what lives in most terrestrial, freshwater, and marine habitats" and the following answer choices: 
- Birds
 - humans
 - clams
 - sharks
 - life
 - ecosystem
 - amoeba
 - edible

Now knowing that mollusks live in most terrestrial, freshwater, and marine habitats and clams are mollusks that live in the sea or in freshwater, choose the best answer.


 

   clams      