In the section "Investigating Life: Evolving Backwards," what is the significance of Najash rionegrina,an extinct,land-dwelling species of snake with functional legs,pelvis,and sacrum?
A) Has a common ancestor to modern-day snakes,but placed in a derived group
B) Has the same anatomical organization as modern-day snakes
C) Is an ancestor to modern-day snakes,but has different anatomical organization than modern-day snakes
D) Is an ancestor to modern-day snakes and has same anatomical organization as modern-day snakes
E) Is an outgroup unrelated to modern-day snakes
Correct Answer:
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