The reading and the lecture are both about declining in sea otters populations. The reading claims that chemical pollution is the main cause of the decline. However, the lecturer refutes this idea by mentioning that predators have had the main role in the decline of sea otters.
To begin with, the author notes that chemical pollution such as oil and industrial pollution are the main source of the decline. Moreover, the water explanation showed that the increase of industrial pollution was the reason for the decline in sea otters. In contrast, she feels that the pollution is weakened by the fact that there were no dead sea otters at the shore, and the predator hypothesis is more likely.
Secondly, the task posits that there was also declining in not only otters but also other mammals such as seals and sea lions. In addition, the writer mentions that orcas cannot have had an effect in declining of mammals because orcas prefer to have large prey such as whales. Conversely, the speaker believes that orcas were the exact reason in declining of other small mammals. Although orcas preferred to hunt other whales, whales were hunted by humans. So, orcas changed their diet to survive because there were just small mammals to eat.
Finally, the article states that at some parts of the coast, the decline was widely, and in other locations, the population was stable, and this is because of the uneven pattern of pollution. On the other hand, the lecturer opposes this idea by mentioning that the uneven pattern by pollution was not the reason of decline and uneven pattern by orcas was the reason. Additionally, because orcas are so large, they cannot go to shallow and rocky areas. Consequently, in some areas that orcas were not there, the decline did not occur.
- TPO 10 Integrated Writing Task 80
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No. of Words: 302 250
Write the essay in 20 minutes.
Attribute Value Ideal
Final score: 24 in 30
Category: Good Excellent
No. of Grammatical Errors: 11 2
No. of Spelling Errors: 1 2
No. of Sentences: 15 12
No. of Words: 302 250
No. of Characters: 1434 1200
No. of Different Words: 133 150
Fourth Root of Number of Words: 4.169 4.2
Average Word Length: 4.748 4.6
Word Length SD: 2.281 2.4
No. of Words greater than 5 chars: 100 80
No. of Words greater than 6 chars: 69 60
No. of Words greater than 7 chars: 39 40
No. of Words greater than 8 chars: 25 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 20.133 21.0
Sentence Length SD: 6.81 7.5
Use of Discourse Markers (%): 0.8 0.12
Sentence-Text Coherence: 0.364 0.35
Sentence-Para Coherence: 0.585 0.50
Sentence-Sentence Coherence: 0.144 0.07
Number of Paragraphs: 4 4