tpo 34: extinction of sea cow on island
In this set of materials, the reading passage presents three theories about the cause of Steller's sea cows' extinction. However, the professor challenges these points and he finds them unlikely to describe sea cows' extinction.
Firstly, the author of the passage claims that population of sea cows decrease as a result of hunting by native settlers who searching for food and find sea cows as a proper source of food. In contrast, the lecturer rebuts this point and says that the native settlers' population were not large enough to hunt all sea cows, so they did not hunt a considerable number of sea cows. Hence, this reason unlikely responsible for sea cows decline.
Secondly, the reading mentions that the changes in ecosystem and decline in sea cows' food resources led to extinct these species. The professor, however, refutes this point by saying that if there was disturbance in ecosystem, it would affect other species; meanwhile, the records did not show any significant decrease on other marine animals such as wales. Therefore, the theory of decline in food resources could not justify sea cows' extinction.
Finally, the passage asserts that European traders who came to island hunted sea cows and passage blame those traders for extinction. Meanwhile, the professors challenges this point. The number of sea cow was already declined before European arrival. Hence other factors should put into account for sea cow's extinction.
Grammar and spelling errors:
Line 3, column 260, Rule ID: POSSESIVE_APOSTROPHE[1]
Message: Possible typo: apostrophe is missing. Did you mean 'settlers'' or 'settler's'?
Suggestion: settlers'; settler's
...uts this point and says that the native settlers population were not large enough to hun...
^^^^^^^^
Line 7, column 252, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: Hence,
...ready declined before European arrival. Hence other factors should put into account f...
^^^^^
Transition Words or Phrases used:
but, finally, first, firstly, hence, however, if, second, secondly, so, therefore, while, in contrast, such as, as a result
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 3.0 10.4613686534 29% => More to be verbs wanted.
Auxiliary verbs: 3.0 5.04856512141 59% => OK
Conjunction : 5.0 7.30242825607 68% => OK
Relative clauses : 7.0 12.0772626932 58% => More relative clauses wanted.
Pronoun: 17.0 22.412803532 76% => OK
Preposition: 25.0 30.3222958057 82% => OK
Nominalization: 8.0 5.01324503311 160% => OK
Performance on vocabulary words:
No of characters: 1216.0 1373.03311258 89% => OK
No of words: 233.0 270.72406181 86% => More content wanted.
Chars per words: 5.21888412017 5.08290768461 103% => OK
Fourth root words length: 3.90696013833 4.04702891845 97% => OK
Word Length SD: 2.6066310814 2.5805825403 101% => OK
Unique words: 130.0 145.348785872 89% => More unique words wanted.
Unique words percentage: 0.557939914163 0.540411800872 103% => OK
syllable_count: 363.6 419.366225166 87% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 3.25607064018 61% => OK
Article: 11.0 8.23620309051 134% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 2.0 2.5761589404 78% => OK
Performance on sentences:
How many sentences: 12.0 13.0662251656 92% => OK
Sentence length: 19.0 21.2450331126 89% => OK
Sentence length SD: 55.0748858878 49.2860985944 112% => OK
Chars per sentence: 101.333333333 110.228320801 92% => OK
Words per sentence: 19.4166666667 21.698381199 89% => OK
Discourse Markers: 10.25 7.06452816374 145% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 2.0 4.19205298013 48% => OK
Sentences with positive sentiment : 4.0 4.33554083885 92% => OK
Sentences with negative sentiment : 3.0 4.45695364238 67% => OK
Sentences with neutral sentiment: 5.0 4.27373068433 117% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.485817037173 0.272083759551 179% => OK
Sentence topic coherence: 0.210177806084 0.0996497079465 211% => Sentence topic similarity is high.
Sentence topic coherence SD: 0.0927379714535 0.0662205650399 140% => OK
Paragraph topic coherence: 0.320469986447 0.162205337803 198% => OK
Paragraph topic coherence SD: 0.0515379650653 0.0443174109184 116% => OK
Essay readability:
automated_readability_index: 12.9 13.3589403974 97% => OK
flesch_reading_ease: 52.19 53.8541721854 97% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 10.7 11.0289183223 97% => OK
coleman_liau_index: 13.0 12.2367328918 106% => OK
dale_chall_readability_score: 8.51 8.42419426049 101% => OK
difficult_words: 58.0 63.6247240618 91% => OK
linsear_write_formula: 13.5 10.7273730684 126% => OK
gunning_fog: 9.6 10.498013245 91% => OK
text_standard: 13.0 11.2008830022 116% => OK
What are above readability scores?
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Rates: 81.6666666667 out of 100
Scores by essay e-grader: 24.5 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.