What is the hypothesis? What educated guess are the scientists making?

What might explain the real-world results, show in the graph to the right, for one class of twenty students? check all that apply.

Prokaryotic and eukaryotic cells are different in many ways other than the presence or absence of a nucleus. if both archaebacteria and eubacteria are prokaryotic cells, then why are archaebacteria more closely related to eukaryotic cells than they are to eubacteria?

Why zebra fish experience similar genetic disease as human