Organisms cluster around hydrothermal vents in the ocean floor, and hydrothermal vents are fissures in the ocean floor that leak hot, acidic water. Given these facts, where do organisms cluster on the ocean floor among the following options:
- 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


 

    fissures of hot, acidic water     