Asex chromosome found in males; influencing the degree of maleness

How did the research presented in the article affect scientists' understanding of the evolution of eukaryotes

Someone me with this: a mineral' is determined by its actomic structure.

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters