Steller's cow lived in the water around the island of the Siberia. This sea cows marine mammal extinction in 1768. According to the reading, extinction reasons are ambiguous but the three hypotheses present the main causes of the extinction. Whereas, according to the lecture, the professor challenging to each outline presented in the reading.
Firstly, the passage claims that overhunting of sea cow by Siberian people causes to decrease the population of the sea cow. In contrast, the lecturer mentions that giant sea cows amazing the body, sea cows weights were ten ton and nine meters long. The Siberian population also large and they were eating the cows but them not hunting the huge cows. Massive weight and size cause the people have less need the sea cows.
Secondly, the theory implies that kelp was one type of plant species which is a meal for the sea cows. Unfortunately, ecosystem disturbance population of the kelp decrease, therefore, decline the sea cows population also because of mammals rely on this plants. On the other hand, the speaker explains that it is true that destruction the kelp plant but this hypothesis not responsible for the decline sea cows. If marine mammals depend on the plant species so, another mammal such as whale population also affects but whale population is not declining and also the not strong effect on the food chain.
Lastly, the author emphasizes that European fur traders hunt the sea cows by their weapon cause a large number of sea cows killed. On the contrary, the professor points out that when European fur trader came in 1768 that time before already sea cows population plummets. It is not reasoned that European fur trader causes to decrease the sea cows population.
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Grammar and spelling errors:
Line 2, column 83, Rule ID: ALLOW_TO[1]
Message: Did you mean 'decreasing'? Or maybe you should add a pronoun? In active voice, 'cause' + 'to' takes an object, usually a pronoun.
Suggestion: decreasing
...ng of sea cow by Siberian people causes to decrease the population of the sea cow. In contr...
^^^^^^^^^^^
Line 3, column 200, Rule ID: POSSESIVE_APOSTROPHE[1]
Message: Possible typo: apostrophe is missing. Did you mean 'cows'' or 'cow's'?
Suggestion: cows'; cow's
...lp decrease, therefore, decline the sea cows population also because of mammals rely...
^^^^
Line 3, column 248, Rule ID: THIS_NNS[1]
Message: Did you mean 'these'?
Suggestion: these
...ulation also because of mammals rely on this plants. On the other hand, the speaker ...
^^^^
Line 3, column 461, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
... mammals depend on the plant species so, another mammal such as whale population ...
^^
Line 4, column 97, Rule ID: LARGE_NUMBER_OF[1]
Message: Specify a number, remove phrase, or simply use 'many' or 'numerous'
Suggestion: many; numerous
...hunt the sea cows by their weapon cause a large number of sea cows killed. On the contrary, the p...
^^^^^^^^^^^^^^^^^
Line 4, column 322, Rule ID: ALLOW_TO[1]
Message: Did you mean 'decreasing'? Or maybe you should add a pronoun? In active voice, 'cause' + 'to' takes an object, usually a pronoun.
Suggestion: decreasing
...easoned that European fur trader causes to decrease the sea cows population.
^^^^^^^^^^^
Line 4, column 342, Rule ID: POSSESIVE_APOSTROPHE[2]
Message: Possible typo: apostrophe is missing. Did you mean 'cows'' or 'cow's'?
Suggestion: cows'; cow's
...n fur trader causes to decrease the sea cows population.
^^^^
Transition Words or Phrases used:
also, but, first, firstly, if, lastly, second, secondly, so, therefore, whereas, in contrast, such as, it is true, on the contrary, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 8.0 10.4613686534 76% => OK
Auxiliary verbs: 1.0 5.04856512141 20% => OK
Conjunction : 8.0 7.30242825607 110% => OK
Relative clauses : 11.0 12.0772626932 91% => OK
Pronoun: 17.0 22.412803532 76% => OK
Preposition: 28.0 30.3222958057 92% => 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: 1444.0 1373.03311258 105% => OK
No of words: 290.0 270.72406181 107% => OK
Chars per words: 4.97931034483 5.08290768461 98% => OK
Fourth root words length: 4.12666770723 4.04702891845 102% => OK
Word Length SD: 2.5156915399 2.5805825403 97% => OK
Unique words: 150.0 145.348785872 103% => OK
Unique words percentage: 0.51724137931 0.540411800872 96% => 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
Interrogative: 0.0 0.116997792494 0% => OK
Article: 8.0 8.23620309051 97% => OK
Subordination: 1.0 1.25165562914 80% => OK
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 5.0 2.5761589404 194% => OK
Performance on sentences:
How many sentences: 15.0 13.0662251656 115% => OK
Sentence length: 19.0 21.2450331126 89% => OK
Sentence length SD: 36.8381444822 49.2860985944 75% => OK
Chars per sentence: 96.2666666667 110.228320801 87% => OK
Words per sentence: 19.3333333333 21.698381199 89% => OK
Discourse Markers: 9.93333333333 7.06452816374 141% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 7.0 4.19205298013 167% => OK
Sentences with positive sentiment : 2.0 4.33554083885 46% => More positive sentences wanted.
Sentences with negative sentiment : 5.0 4.45695364238 112% => 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: 0.608776011601 0.272083759551 224% => OK
Sentence topic coherence: 0.231547820599 0.0996497079465 232% => Sentence topic similarity is high.
Sentence topic coherence SD: 0.123240330335 0.0662205650399 186% => OK
Paragraph topic coherence: 0.363916055504 0.162205337803 224% => OK
Paragraph topic coherence SD: 0.0925130813826 0.0443174109184 209% => More connections among paragraphs wanted.
Essay readability:
automated_readability_index: 11.7 13.3589403974 88% => Automated_readability_index is low.
flesch_reading_ease: 60.65 53.8541721854 113% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 9.5 11.0289183223 86% => OK
coleman_liau_index: 11.6 12.2367328918 95% => OK
dale_chall_readability_score: 8.06 8.42419426049 96% => OK
difficult_words: 64.0 63.6247240618 101% => OK
linsear_write_formula: 6.5 10.7273730684 61% => OK
gunning_fog: 9.6 10.498013245 91% => OK
text_standard: 12.0 11.2008830022 107% => OK
What are above readability scores?
---------------------
Rates: 76.6666666667 out of 100
Scores by essay e-grader: 23.0 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.