You are presented with the question "Where do organisms cluster on the ocean floor?" and the following answer choices: 
- neutralized water
 - where they used to live
 - hot alkaline water
 - fissures of hot, acidic water
 - sedimentary rocks
 - fissures blasting cold water
 - at or near the margins
 - an area swollen with pus

Now knowing that organisms cluster around hydrothermal vents in the ocean floor and hydrothermal vents are fissures in the ocean floor that leak hot, acidic water, choose the best answer.


 

    fissures of hot, acidic water     