The cow’s digestive system and the worms, digestive system both break down food, but they do not look the same. Compare and contrast the two systems and answer the following questions: What do they have in common?

What makes them different?

What explanation can you suggest to explain the similarities and differences between the two systems?

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.