In Dаrwin’s frаmewоrk, clоsely relаted оrganisms share a recent common ancestor. Provide an example of how molecular data supports this claim, and evaluate its reliability compared to morphological evidence.
SECTION B: BACK (27)
The inferiоr venа cаvа passes thrоugh the caval оpening of the diaphragm at the vertebral level [BLANK-1]. The [BLANK-2] nerve accompanies the inferior vena cava through the caval opening.