What type of mutation has occurred

What feature of cell theory is best demonstrated in the image

~~16. while watching a special on animals, brianna discovers that hares tend to lose heat through their ears. based on this and what is known about surface-to-volume ratios, propose an explanation as to why hares that live in hot climates (such as the desert) have large, extended ears

Do you think the gene eef1 alpha1 supports cell theory? explain your response.