▶ Your Answer :
In the reading, there is ample support for
the author’s claim that the possible function of Lambeosaurus’ crest. However,
the professor in the lecture gives several reasons as a rebuttal against the
author’s point.
To begin with, the lecturer argues that
Lambeosaurus’ crest used to attract female that is extremely doubtful. This is because most of reptiles used behavior to attract mates, so some experts
believe that its crest would have been used other function. This casts doubt on
the author’s claim that crest might have been used to attract mates.
On top of that, the professor contends that
Lambeosaurus’ crest is less likely to make use of battle. This is because,
unlike other species, its crest was hollow. That is, it could not have been
used for combat since it is the most vulnerable to attack and break. This counters the
author’s point that its crest was used for fight.
Lastly, the speaker maintains that
Lambeosaurus’ crest was not able to provide oxygen as much as possible. This is
because, compare to body size, its crest was too small to cover. This fact
shows that Lambeosaurus was not able to submerge a long time. This refutes the
author’s suggestion that the crest may have been utilized for diving in order
to eat aquatic plants for a while. |