In his set of material, the lecture and the passage offer two opposing points of view about reasons that could cause the sea cows extinction in Bering island. While the passage suggests three possible reasons to blame them for the extinction of these large mammals, the lecture denies to accept them as convincing remarks.
First, the passage declares that the sea cow has been overhunted by groups of native Siberian people. In contradict to this, the lecture refutes this remark by pointing out that the small groups of Siberian people might hunt the sea cows by according to the size of this mammal, one group could exploit one sea cow for several months, thus they did not overhunt the sea cows.
Second, the writer argues that the sea cow population may have become extinct because of ecosystem disturbances that caused a decline in their main source of food. The passage rejects this idea by introducing the claim that if the ecosystem disturbances were the reason of this reduction, it should have affected other sea animals as well as sea cows but there is no evidence of a decline in other marine animals like whales.
Finally, the author states that the main cause of this extinction could have been European fur traders who came to the island after 1741. The passage claims that according to their weapons, they were able to kill a large number of animals quickly. on the other hand, the speaker throws down this remark by illustrating the fact that the extinction of these creatures had already started before the arrival of the European fur traders, therefore they cannot consider as the main reason of this extinction. The lecture also states that the main reason for the extinction is still unknown.
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Grammar and spelling errors:
Line 1, column 126, Rule ID: POSSESIVE_APOSTROPHE[1]
Message: Possible typo: apostrophe is missing. Did you mean 'cows'' or 'cow's'?
Suggestion: cows'; cow's
... about reasons that could cause the sea cows extinction in Bering island. While the ...
^^^^
Line 1, column 279, Rule ID: ADMIT_ENJOY_VB[1]
Message: This verb is used with the gerund form: 'denies accepting'.
Suggestion: denies accepting
...ion of these large mammals, the lecture denies to accept them as convincing remarks. First, the...
^^^^^^^^^^^^^^^^
Line 4, column 213, Rule ID: LARGE_NUMBER_OF[1]
Message: Specify a number, remove phrase, or simply use 'many' or 'numerous'
Suggestion: many; numerous
...o their weapons, they were able to kill a large number of animals quickly. on the other hand, the...
^^^^^^^^^^^^^^^^^
Line 4, column 248, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: On
...kill a large number of animals quickly. on the other hand, the speaker throws down...
^^
Transition Words or Phrases used:
also, but, finally, first, if, may, second, so, still, therefore, thus, well, while, as well as, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 6.0 10.4613686534 57% => More to be verbs wanted.
Auxiliary verbs: 7.0 5.04856512141 139% => OK
Conjunction : 2.0 7.30242825607 27% => More conjunction wanted.
Relative clauses : 11.0 12.0772626932 91% => OK
Pronoun: 29.0 22.412803532 129% => Less pronouns wanted
Preposition: 39.0 30.3222958057 129% => OK
Nominalization: 9.0 5.01324503311 180% => OK
Performance on vocabulary words:
No of characters: 1425.0 1373.03311258 104% => OK
No of words: 293.0 270.72406181 108% => OK
Chars per words: 4.86348122867 5.08290768461 96% => OK
Fourth root words length: 4.13729897018 4.04702891845 102% => OK
Word Length SD: 2.36785797485 2.5805825403 92% => OK
Unique words: 154.0 145.348785872 106% => OK
Unique words percentage: 0.525597269625 0.540411800872 97% => OK
syllable_count: 435.6 419.366225166 104% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 3.25607064018 61% => OK
Article: 10.0 8.23620309051 121% => OK
Subordination: 1.0 1.25165562914 80% => OK
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 3.0 2.5761589404 116% => OK
Performance on sentences:
How many sentences: 10.0 13.0662251656 77% => Need more sentences. Double check the format of sentences, make sure there is a space between two sentences, or have enough periods. And also check the lengths of sentences, maybe they are too long.
Sentence length: 29.0 21.2450331126 137% => The Avg. Sentence Length is relatively long.
Sentence length SD: 66.3472682181 49.2860985944 135% => OK
Chars per sentence: 142.5 110.228320801 129% => OK
Words per sentence: 29.3 21.698381199 135% => OK
Discourse Markers: 11.4 7.06452816374 161% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 4.0 4.19205298013 95% => OK
Sentences with positive sentiment : 2.0 4.33554083885 46% => More positive sentences wanted.
Sentences with negative sentiment : 4.0 4.45695364238 90% => OK
Sentences with neutral sentiment: 4.0 4.27373068433 94% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.526376826515 0.272083759551 193% => OK
Sentence topic coherence: 0.215247313331 0.0996497079465 216% => Sentence topic similarity is high.
Sentence topic coherence SD: 0.122345865125 0.0662205650399 185% => OK
Paragraph topic coherence: 0.303144060896 0.162205337803 187% => OK
Paragraph topic coherence SD: 0.0732432510268 0.0443174109184 165% => OK
Essay readability:
automated_readability_index: 16.1 13.3589403974 121% => OK
flesch_reading_ease: 50.5 53.8541721854 94% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 13.4 11.0289183223 121% => OK
coleman_liau_index: 11.5 12.2367328918 94% => OK
dale_chall_readability_score: 8.25 8.42419426049 98% => OK
difficult_words: 59.0 63.6247240618 93% => OK
linsear_write_formula: 13.0 10.7273730684 121% => OK
gunning_fog: 13.6 10.498013245 130% => OK
text_standard: 14.0 11.2008830022 125% => OK
What are above readability scores?
---------------------
Rates: 80.0 out of 100
Scores by essay e-grader: 24.0 Out of 30
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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.