draw out the tested hypothesis

draw out the tested hypothesis
Snails secrete mucus trail. Other Snails of the same species can sense this mucus trail and start following the same trail in the framework of investigating the role of the tantacles is detecting mucus trails the tantacles of some snails are cut the other picture show the results of the experiment ​

draw out the tested hypothesisdraw out the tested hypothesisSnails secrete mucus trail Other Snails of the same species can sense this mucus trail and start fol class=