▶ Your Answer :
It is controversial over whether deer's antlers may have several specific functions. The reading provides three pieces of evidence to prove its points, whereas the lecturer argues against it by providing three compelling rebuttals.
To begin with, the professor in the lecture points out that attracting mates is not a key role factor of antlers. Because, male deer use other methods for mating. To be specific, they utilize vocalization or body posture. This differs from the author's claim that they can establish dominance in competition using antlers since winner is more likely to attract females.
In addition, the lecturer also maintain that it is not appear to mark their territory using antlers. The reason is that they use scent to proclaim their region rather than visual marking because the scent can be detected by another male easily. This is in opposition to the reading passage that the deer's marking could have served as visual warning.
Finally, the final assertion made by the professor is that their horn-like bone does not have significant functions. This is because although female must have to protect their young deer, the female deer does not have antlers. This refutes the reading passage which states that deer can defend themselves thanks to antlers, specifically when a predator come across them, they sweep their antlers back and forth to drive off the predator.
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