I hope that this offers you some guidance for this problem:
First of all a definition of the term hypothesis:
" A starting point for further investigation from known facts"
In the case of the "Bee and Flower" what is the interaction?
Presumably one would decide that the interaction was the pollination of the flower by the bee, but could be more accurately described as the attraction of the bee to the flower, even this is probably not sufficiently precise or ...
Given a scientific problem, how does a student develop a range of testable hypotheses and then develop controlled experiments in order to accept or reject individual hypotheses before arriving at a best fit hypothesis.