Scientists have discovered a rare, ancient bacteria thriving on the ocean floor. this bacteria uses sulfur released by thermal vents, as well as dissolved oxygen and carbon dioxide in the water, to create sugar and break it down for energy. this process is called .

Astudent sees several ants walking up a wall following the exact same trail that an ant took earlier. she wants to apply the scientific method to determine how the ants detected the trail. which of these steps would come first in her application of the scientific method? perform an experiment by cleaning the scent away from part of the trail. draw a conclusion that the ants follow a scent trail. make a prediction about what the ants will do after she cleans away part of the trail. hypothesize that the ants are following a scent trail that the first ant left.