Umm...I need help...Which characteristic is observed in both prokarytoic and eukaytoic cells? (There's a picture).

Explanation:

the structures that are common to both prokaryotic and eukaryotic cells are plasma membrane, ribosomes, cytoplasm, and DNA. However, Prokaryotic cells lack a nucleus and membrane bound structures while the eukaryotic cells have a nucleus and membrane bound structures called organelles.

Daffy duck taught me that biology is not simple.

a axis of a graph is a color or shade so we can all go outside and have a party so we can eat   some grilled cheese sammiches and broccoli and have some ugly fun times

i don't know why i put this, i know its not the i was just bored : p

delete this answer while you can

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).