While studying in the lab, a scientist discovers that a sample of platypus fur glows blueish-green under ultraviolet light. When would the

Question

scientist have enough evidence to propose a theory?

The scientist could propose a theory after briefly examining samples of other species.

The scientist would reed to study other samples of platypus fur over a year or two to get enough evidence to propose a theory.

The scientist could propose a theory based only on this initial study.

The scientist would need to study many samples of different species over several generations to get enough evidence to
propose a theory.