▶ Your Answer :
The lecture points to the inaccuracies in
the ideas in the reading passage that there are three reasons that dinosaurs
were endotherms. Based on the reasons that scientists have
found the dinosaur fossils in the Polar Regions, the reading passage contends that
dinosaurs were endotherms. However, the lecture rejects this. The lecturer
points out that even though dinosaurs lived in the region the area of today is
warmer than the past, which means, in fact, endotherms do not live in the Polar
Regions. Also, the speaker said supporting points that have something to do
with migrating to warmer area. As a result, the reading’s reasons does not
prove the opinion. On the basis of the perception that endotherms’
legs are positioned underneath its body, the passage argues that dinosaurs were
endotherms. However, the lectures raises doubts about this. The lectures
mentions that dinosaurs would not endotherms. This is because the legs’
position is not for running and the legs’ position is to support large body of
dinosaurs.
The reading passage contends that dinosaurs’
bone structure is very similar with endotherms’ bone structure such as having canals
to grow quickly, so dinosaurs would be endotherms. However, the lecture disagree
with this idea even though dinosaur bones do have canals. The reason is that the
lecturer explains that dinosaurs also have growth rings and the rings’
characteristic is not similar with endotherms. The growth rings indicate that dinosaurs do
not grow rapidly. She explains supporting points that stopped growing and
slowly growing during cooler periods.
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