It enables them to communicate with one another like warding off opponents from their territory or showing off for potential mates.
N humans the vermiform appendix is a vestigial structure<span>; it has lost much of its ancestral function. Vestigiality refers to genetically determined </span>structures<span> or attributes that have apparently lost most or all of their ancestral function in a given species, but have been retained during the process of evolution. hope that helped</span>
Answer:
It is either A or C
Explanation:
I am saying A because I assume "showed" is the underlined word. It should be "shows"
However, I am also assuming "nutional" is the underlined word for answer C. The correct spelling of this word is "national".
