Scientists believe that the first organisms that appeared on earth were prokaryotic. which of the following best represents what the cell structure of these organisms may have looked like?

Name one similarity and one difference between the morphology of a brachiopod and a bivalve

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13