Which of the following statements most detracts from the claim that the human appendix is a completely vestigial organ?
A) The appendix can be surgically removed with no immediate ill effects.
B) The appendix might have been larger in fossil hominids.
C) The appendix has a substantial amount of defensive lymphatic tissue.
D) Individuals with a larger-than-average appendix leave fewer offspring than those with a below-average-sized appendix.
E) In a million years, the human species might completely lack an appendix.
A closer look at the reproductive cycle of human immunodeficiency virus (HIV)
Spectral sensitivity of the human cone opsins
Anterior view of the human skeleton.
Human Emotions and Dogs
Human Ubiquitin
A bipedal human