The reading and lecture both are discussed about steller's sea cow which is huge marine mamma. While the reading stats that sea cow are lived siberia coast area they are extinct in 1768, but the reasons are unknown and provides three theories of extinction. However, the lecture explains that theories are problematic and lecture refutes each of the author's reasons.
First of all, the reading claims native siberian people overhunting are the main cause of sea cow extinct. The reading passage also say that sea cow are larger in size but long term over hunting are the main cause of extinction. However, the professor refutes this point by saying that sea cow are huge in size almost 9 'meters' and 10 'tons' weight. Siberia native people are very few number so they don't need to hunted over amount of sea cow. Furthermore, the professor stats that native people take one long month to eat a sea cow.
In addition, the reading make the argument that ecosystems are the major cause of sea cow extinction. Change of ecosystem are reduce the kelp population and kelp is the main food food of sea cow. So it possible that declination of kelp is the cause of sea cow extinction. The lecture refutes this point by saying that ecological disruption was occurs in 1768 that affect every element of that area not kelp population and sea cow. Welsh are related to kelp but no specific evidence that welsh are reduce.
Finally, the reading claims that european fur traders are hunting all the fish and they used weapons to kill sea cow's. But, the lecture are refutes this claim by pointing out that when fur traders are arrived this island the number of sea cow's are already declined so fur traders was not the main cause of sea cow's extinction.
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Grammar and spelling errors:
Line 3, column 98, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...verhunting are the main cause of sea cow extinct. The reading passage also say th...
^^
Line 3, column 155, Rule ID: ADJECTIVE_IN_ATTRIBUTE[1]
Message: A more concise phrase may lose no meaning and sound more powerful.
Suggestion: larger
...ading passage also say that sea cow are larger in size but long term over hunting are the main...
^^^^^^^^^^^^^^
Line 3, column 300, Rule ID: ADJECTIVE_IN_ATTRIBUTE[1]
Message: A more concise phrase may lose no meaning and sound more powerful.
Suggestion: huge
...s this point by saying that sea cow are huge in size almost 9 meters and 10 tons weight. Sib...
^^^^^^^^^^^^
Line 3, column 399, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: don't
...tive people are very few number so they dont need to hunted over amount of sea cow. ...
^^^^
Line 5, column 127, Rule ID: BEEN_PART_AGREEMENT[1]
Message: Consider using a past participle here: 'reduced'.
Suggestion: reduced
...cow extinction. Change of ecosystem are reduce the kelp population and kelp is the mai...
^^^^^^
Line 5, column 175, Rule ID: ENGLISH_WORD_REPEAT_RULE
Message: Possible typo: you repeated a word
Suggestion: food
...he kelp population and kelp is the main food food of sea cow. So it possible that declina...
^^^^^^^^^
Transition Words or Phrases used:
also, but, finally, first, furthermore, however, if, so, while, in addition, first of all
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 23.0 10.4613686534 220% => Less to be verbs wanted.
Auxiliary verbs: 1.0 5.04856512141 20% => OK
Conjunction : 10.0 7.30242825607 137% => OK
Relative clauses : 15.0 12.0772626932 124% => OK
Pronoun: 21.0 22.412803532 94% => OK
Preposition: 30.0 30.3222958057 99% => OK
Nominalization: 13.0 5.01324503311 259% => Less nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1438.0 1373.03311258 105% => OK
No of words: 305.0 270.72406181 113% => OK
Chars per words: 4.71475409836 5.08290768461 93% => OK
Fourth root words length: 4.17902490978 4.04702891845 103% => OK
Word Length SD: 2.27715244841 2.5805825403 88% => OK
Unique words: 137.0 145.348785872 94% => More unique words wanted.
Unique words percentage: 0.449180327869 0.540411800872 83% => More unique words wanted or less content wanted.
syllable_count: 447.3 419.366225166 107% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 0.0 3.25607064018 0% => OK
Article: 10.0 8.23620309051 121% => OK
Subordination: 1.0 1.25165562914 80% => OK
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 1.0 2.5761589404 39% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 15.0 13.0662251656 115% => OK
Sentence length: 20.0 21.2450331126 94% => OK
Sentence length SD: 34.9907924397 49.2860985944 71% => OK
Chars per sentence: 95.8666666667 110.228320801 87% => OK
Words per sentence: 20.3333333333 21.698381199 94% => OK
Discourse Markers: 5.93333333333 7.06452816374 84% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 6.0 4.19205298013 143% => OK
Sentences with positive sentiment : 4.0 4.33554083885 92% => OK
Sentences with negative sentiment : 5.0 4.45695364238 112% => OK
Sentences with neutral sentiment: 6.0 4.27373068433 140% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.564520555454 0.272083759551 207% => OK
Sentence topic coherence: 0.234285073916 0.0996497079465 235% => Sentence topic similarity is high.
Sentence topic coherence SD: 0.118479923046 0.0662205650399 179% => OK
Paragraph topic coherence: 0.370683930282 0.162205337803 229% => OK
Paragraph topic coherence SD: 0.0759745477013 0.0443174109184 171% => OK
Essay readability:
automated_readability_index: 10.9 13.3589403974 82% => Automated_readability_index is low.
flesch_reading_ease: 59.64 53.8541721854 111% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 9.9 11.0289183223 90% => OK
coleman_liau_index: 10.04 12.2367328918 82% => OK
dale_chall_readability_score: 7.42 8.42419426049 88% => OK
difficult_words: 54.0 63.6247240618 85% => More difficult words wanted.
linsear_write_formula: 10.5 10.7273730684 98% => OK
gunning_fog: 10.0 10.498013245 95% => OK
text_standard: 10.0 11.2008830022 89% => OK
What are above readability scores?
---------------------
Rates: 73.3333333333 out of 100
Scores by essay e-grader: 22.0 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.