Both the lecturer and the reading passage
discuss the Sauropods, which
are dinosaurs with long necks. The lecturer casts doubt on the author's
assertion on several reasons why the Sauropods'
neck is held horizontally, by presenting three counter-arguments.
First, the lecturer asserts that the explanation
that sauropod's neck was held horizontally because of its large
heavy tail, is disputable. This is because the
Sauropod's tail is not heavy enough to provoke
other body issues. To be specific, as the Sauropod's
tail was hollow and contained air, the neck would not have didn’t have to be positioned horizontally to
counterweight its tail. This counters the author's claim that the Sauropod's neck was held horizontally to offset
the weight of its tail.
Second, the lecturer claims that marine
vegetation of Sauropods is not a convincing
reason to explain its position of the neck. He says
that because there was no sufficient vegetation for large Sauropods
to consume, sauropods they seeked sought for a variety of plants and not only for marine
plants. Actually, sauropods would have needed a vertical neck to eat tree leaves and not a
horizontal one. This counters the author's claim that the
horizontal neck posture is due to sauropod's marine vegetation.
Lastly, the lecturer argues that the theory that the
sauropods are were unable to raise its
their neck vertically is controversial. This is
because many dinosaurs, including sauropods, possessed
strong shoulder muscles that are were connected
to its their neck. Therefore,
sauropods would have used its shoulder muscles to raise its their neck vertically. This counters the author's
statement that sauropods' weak muscles to raise
its neck maintained a horizontal neck.
Writing
0-30 Score Scale |
Fair (17-23) |
Score |
21 |
Overall
Comment: |
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