A wisdom teeth are vestigial third molars that human ancestors used to help grinding down plant tissue. The common postulation is that the skull of human ancestor had larger jaw with more teeth, which where possibly used to help chew down foliage to compensate for a lack of ability to efficiency digest the cellulose that make up a plant cell wall.
Answer:
a) cambrian
Explanation:
The first body fossils of trilobites appeared in the Early Cambrian Period, about 540 million years ago.
When there is at least 1 allele of a dominant trait, it will show since it will automatically overshadow the recessive trait.
It is the muscle that is most used in boxing of course!
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