On the cladogram, circle the node that represents the most recent common ancestor of the pigeon, mouse and chimp.

Where substance is produced during cellular respiration

Which best describes carbon dioxide’s path out of the body

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of