OBJECTIVE LIFE SCIENCE
EVOLUTION
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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vestigial
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analogous
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homologous
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evolutionary
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Detailed explanation-1: -Wisdom teeth were the last set of molars that were used by our ancestors. They were required to assist in chewing hard items such as roots and nuts. These are no longer required hence they have become vestigial.
Detailed explanation-2: -Examples of vestigial structures include the human appendix, the pelvic bone of a snake, and the wings of flightless birds.
Detailed explanation-3: -My patients often ask me why we have wisdom teeth since they usually need to be removed. The answer is, they are vestigial organs-things that we still have from our ancestors that we no longer need or use. As we evolved, our jaws have shortened and therefore most of us no longer have the room for these teeth.
Detailed explanation-4: -Sinuses. Human cheekbones hold the maxillary sinuses. Appendix. It is one of the most commonly known vestigial organs. Coccyx. Wisdom Tooth. External Ear. Nictitating Membrane. Tonsils. More to Explore: