Insect evolution is evolving! There are two general hypotheses concerning the evolution of arthropods

Insect evolution is evolving! There are two general hypotheses concerning the evolution of arthropods: the older Articulata Hypothesis and the more recent Ecdysozoa Hypothesis. Briefly, describe the morphological and molecular data that support each hypothesis. Okay, time to choose: which hypothesis is more credible, then explain why you made this choice by providing evidence to back up your claim.