The reading talks about three theories which cause for extinction of Steller's sea cow which cast doubt by the lecturer.
Firstly, the believe that this extinction caused by over haunted from Serbian people, but the lecturer said that these marine animals was too big almost nine meters and ten tons, in addition the population of Serbian was not too big, so they do not need to haunt a lot.
Secondly, the reading stated that the decline in food cause extinction in this animal, while the professor said that there was not shortest of food on that area. If there was shortest of food there, other animals would die too like whales, but whales did not decline on that area.
Thirdly, some people believe that European fur traders was the main cause of extinction of this animal because they caught the last sea cow in 1768. Another, reason is that they had good weapons which could kill them rapidly, however the speaker said that it might seem that the cause of extinction was traders, but these animals decline long time before Europeans arrived there.
In conclusion, the lecturer denies the theories which mentioned in the reading about extinction of sea cows by giving some reasons.
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Grammar and spelling errors:
Line 2, column 10, Rule ID: A_INFINITVE[1]
Message: Probably a wrong construction: a/the + infinitive
...h cast doubt by the lecturer. Firstly, the believe that this extinction caused by over hau...
^^^^^^^^^^^
Line 2, column 14, Rule ID: BELIEVE_BELIEF[1]
Message: Did you mean 'belief' (noun) instead of believe (verb)?
Suggestion: belief
...st doubt by the lecturer. Firstly, the believe that this extinction caused by over hau...
^^^^^^^
Transition Words or Phrases used:
but, first, firstly, however, if, second, secondly, so, third, thirdly, while, as to, in addition, in conclusion
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 7.0 10.4613686534 67% => OK
Auxiliary verbs: 4.0 5.04856512141 79% => OK
Conjunction : 4.0 7.30242825607 55% => More conjunction wanted.
Relative clauses : 14.0 12.0772626932 116% => OK
Pronoun: 20.0 22.412803532 89% => OK
Preposition: 26.0 30.3222958057 86% => OK
Nominalization: 8.0 5.01324503311 160% => OK
Performance on vocabulary words:
No of characters: 987.0 1373.03311258 72% => OK
No of words: 204.0 270.72406181 75% => More content wanted.
Chars per words: 4.83823529412 5.08290768461 95% => OK
Fourth root words length: 3.77926670891 4.04702891845 93% => OK
Word Length SD: 2.19486902097 2.5805825403 85% => OK
Unique words: 116.0 145.348785872 80% => More unique words wanted.
Unique words percentage: 0.56862745098 0.540411800872 105% => OK
syllable_count: 290.7 419.366225166 69% => OK
avg_syllables_per_word: 1.4 1.55342163355 90% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 0.0 3.25607064018 0% => OK
Article: 4.0 8.23620309051 49% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 3.0 1.51434878587 198% => OK
Preposition: 2.0 2.5761589404 78% => OK
Performance on sentences:
How many sentences: 7.0 13.0662251656 54% => 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: 54.4636182629 49.2860985944 111% => OK
Chars per sentence: 141.0 110.228320801 128% => OK
Words per sentence: 29.1428571429 21.698381199 134% => OK
Discourse Markers: 16.0 7.06452816374 226% => Less transition words/phrases wanted.
Paragraphs: 5.0 4.09492273731 122% => OK
Language errors: 2.0 4.19205298013 48% => OK
Sentences with positive sentiment : 1.0 4.33554083885 23% => More positive sentences wanted.
Sentences with negative sentiment : 4.0 4.45695364238 90% => OK
Sentences with neutral sentiment: 2.0 4.27373068433 47% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.149036769777 0.272083759551 55% => OK
Sentence topic coherence: 0.0758935656849 0.0996497079465 76% => OK
Sentence topic coherence SD: 0.0330257877164 0.0662205650399 50% => Sentences are similar to each other.
Paragraph topic coherence: 0.0811759236541 0.162205337803 50% => OK
Paragraph topic coherence SD: 0.0283291611502 0.0443174109184 64% => OK
Essay readability:
automated_readability_index: 15.9 13.3589403974 119% => OK
flesch_reading_ease: 58.96 53.8541721854 109% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 12.2 11.0289183223 111% => OK
coleman_liau_index: 11.38 12.2367328918 93% => OK
dale_chall_readability_score: 7.86 8.42419426049 93% => OK
difficult_words: 36.0 63.6247240618 57% => More difficult words wanted.
linsear_write_formula: 13.0 10.7273730684 121% => OK
gunning_fog: 13.6 10.498013245 130% => OK
text_standard: 13.0 11.2008830022 116% => OK
What are above readability scores?
---------------------
Rates: 75.0 out of 100
Scores by essay e-grader: 22.5 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.