Eukaryotes have in their cytoplasmic membranes, which serve to strengthen and stabilize the membrane and make it less flexible. Many bacteria have similar molecules, known as , in their cytoplasmic membranes that have a similar role.

on island x the species needed to adapt because they were being subject to predators which didn't inhabit island y.  

answer; autosomal;

u can get stuck if wrong may u pls give mt the optians

explanation:

which is not a category of marine organisms