You are presented with the question "What clusters around the heat of submarine volcanoes?" and the following answer choices: 
- ferns
 - organisms
 - vegetation
 - humans
 - emissions
 - Energy
 - insects
 - the sun

Now knowing that organisms cluster around hydrothermal vents in the ocean floor and hydrothermal vents are powered by the heat of submarine volcanoes, choose the best answer.


 

  organisms       