While the issue both the reading and listening focus on is the possible causes of sea cows’ extinction, which are the huge marine mammal lived around Bering Island, the listening casts doubt at three main points.
At the first point, the reading states that overhunting by Siberian people is a possible reason which contribute to sea cows’ extinction. According to the listening, sea cows are massive animals. They can be up to nine meters long and weight ten tons. Therefore, a single sea cow can feed Siberian people for months. In addition, the Siberian population was quite small, so there was no need for them to hunt a lot sea cows. As a result, sea cows were not likely to go extinct due to overhunting by Siberian people. This is a direct contradiction to what is indicated in the reading.
At the second point, the reading believes that their food source was negatively affected by ecosystem disturbance. It resulted in the decline in kelp population, which sea cows feed on. On the contrary, the listening argues that if the ecosystem became severe before 1768, it not only affected kelp population but other part of the marine life, like mammals. However, there was no report of decline in whale population, which indicates that the marine life was growing just fine. Accordingly, the shortage of food is not the convincing reasons for the sea cows extinction. This is an important point that was not considered by the author of the reading passage.
At the last point, the reading mentions that European fur traders, who had the destructive weapon that can kill sea cows on large kill, are the reasons leading to sea cows extinction. However, the listening confirms that reports have shown that by the time the European arrived, the population of sea cows was quite small. Their population was larger 100 years before 1700, which is long before the European arrival. Therefore, no matter what had happened before, the European was the last to arrive when it came to sea cows extinction. This is yet another example of how the professor and the author of the reading passage contradict one another.
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Grammar and spelling errors:
Line 3, column 590, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
...on to what is indicated in the reading. At the second point, the reading believe...
Line 5, column 557, Rule ID: POSSESIVE_APOSTROPHE
Message: Possible typo: apostrophe is missing. Did you mean 'cows'' or 'cow's'?
Suggestion: cows'; cow's
... not the convincing reasons for the sea cows extinction. This is an important point ...
Transition Words or Phrases used:
accordingly, but, first, however, if, second, so, therefore, while, in addition, as a result, on the contrary
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 22.0 10.4613686534 210% => Less to be verbs wanted.
Auxiliary verbs: 4.0 5.04856512141 79% => OK
Conjunction : 5.0 7.30242825607 68% => OK
Relative clauses : 16.0 12.0772626932 132% => OK
Pronoun: 19.0 22.412803532 85% => OK
Preposition: 43.0 30.3222958057 142% => OK
Nominalization: 12.0 5.01324503311 239% => Less nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1773.0 1373.03311258 129% => OK
No of words: 360.0 270.72406181 133% => OK
Chars per words: 4.925 5.08290768461 97% => OK
Fourth root words length: 4.35587717469 4.04702891845 108% => OK
Word Length SD: 2.60654298987 2.5805825403 101% => OK
Unique words: 181.0 145.348785872 125% => OK
Unique words percentage: 0.502777777778 0.540411800872 93% => More unique words wanted or less content wanted.
syllable_count: 544.5 419.366225166 130% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 7.0 3.25607064018 215% => Less pronouns wanted as sentence beginning.
Article: 11.0 8.23620309051 134% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 7.0 2.5761589404 272% => Less preposition wanted as sentence beginnings.
Performance on sentences:
How many sentences: 19.0 13.0662251656 145% => OK
Sentence length: 18.0 21.2450331126 85% => The Avg. Sentence Length is relatively short.
Sentence length SD: 43.2426638615 49.2860985944 88% => OK
Chars per sentence: 93.3157894737 110.228320801 85% => OK
Words per sentence: 18.9473684211 21.698381199 87% => OK
Discourse Markers: 5.73684210526 7.06452816374 81% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 2.0 4.19205298013 48% => OK
Sentences with positive sentiment : 3.0 4.33554083885 69% => OK
Sentences with negative sentiment : 8.0 4.45695364238 179% => OK
Sentences with neutral sentiment: 8.0 4.27373068433 187% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.487161383784 0.272083759551 179% => OK
Sentence topic coherence: 0.157658102914 0.0996497079465 158% => OK
Sentence topic coherence SD: 0.104143847698 0.0662205650399 157% => OK
Paragraph topic coherence: 0.302984634001 0.162205337803 187% => OK
Paragraph topic coherence SD: 0.0617340535819 0.0443174109184 139% => OK
automated_readability_index: 11.2 13.3589403974 84% => Automated_readability_index is low.
flesch_reading_ease: 61.67 53.8541721854 115% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 9.1 11.0289183223 83% => OK
coleman_liau_index: 11.26 12.2367328918 92% => OK
dale_chall_readability_score: 7.51 8.42419426049 89% => OK
difficult_words: 68.0 63.6247240618 107% => OK
linsear_write_formula: 7.5 10.7273730684 70% => OK
gunning_fog: 9.2 10.498013245 88% => OK
text_standard: 8.0 11.2008830022 71% => OK
What are above readability scores?
Write the essay in 20 minutes.
Rates: 61.6666666667 out of 100
Scores by essay e-grader: 18.5 Out of 30
Note: the e-grader does NOT examine the meaning of words and ideas. VIP users will receive further evaluations by advanced module of e-grader and human graders.