Organisms that share a common ancestor

(15 letter word)

~~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

Nucleic acid certain protein cell membranes certain carbohydrates

Which blood cell spend most of their time in the lymphatic system?