Based on the structural difference explain why prokaryotic calls can be much smaller than eukaryotic cells

What function does the limb sever in each animal? how are the limb bones of the four animals similar? based on these similarities what can be inferred about the evolution of the four animals.

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.

Which step is not included in the step approach to calculating the greatest common divisor?