The article and the lecture are both discussing the two theories behind the decline of the sea otters on the Alaskan coast. The article states that the water pollution is the cause behind that and provides three reasons of support. However, the professor casts doubt on the claims made in the article, she believes that the true reason for this phenomenon is the presence of a predator.
Firstly, the article claims that the analysis of the Alaskan coast water has proven the presence of chemicals that can negatively affect the otter's health. However, the professor refutes this point. She states that if this claim was true, then we would be able to find the bodies of the dead otters along the shore but this actually did not happen. Moreover, this proves that otters were actually killed by a predator in the middle of the sea, so, the water was not able to carry their bodies to the shore.
Secondly, the reading posits that the decline of other mammals like the seal can give a reasonable clue to prove the pollution hypothesis since the orcas which assumed to be the reason behind this phenomenon prefer to feed on the larger animals. This point was rebutted by the professor, She states that due the unresponsible behaviour of some people who hunt the wheals that orcas feed on them, it forced to feed on the small mammals like the otters and seal. Thus it leads to significant decline in the number of these mammals.
Finally, in contrary to what mentioned in the article to explain the reason behind the uneven distribution of the mammals' losses, the professors illustrate this by saying that the distribution is actually determined by the accessibility of the location to the orcas. Due to its large size, it cannot access the rocky areas and these places where the scientist found a large number of otter.
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Grammar and spelling errors:
Line 3, column 142, Rule ID: POSSESIVE_APOSTROPHE[2]
Message: Possible typo: apostrophe is missing. Did you mean 'otters'' or 'otter's'?
Suggestion: otters'; otter's
...hemicals that can negatively affect the otters health. However, the professor refutes ...
^^^^^^
Line 5, column 462, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: Thus,
...small mammals like the otters and seal. Thus it leads to significant decline in the ...
^^^^
Line 7, column 367, Rule ID: LARGE_NUMBER_OF[1]
Message: Specify a number, remove phrase, or simply use 'many' or 'numerous'
Suggestion: many; numerous
... these places where the scientist found a large number of otter.
^^^^^^^^^^^^^^^^^
Transition Words or Phrases used:
actually, but, finally, first, firstly, however, if, moreover, second, secondly, so, then, thus
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 10.0 10.4613686534 96% => OK
Auxiliary verbs: 4.0 5.04856512141 79% => OK
Conjunction : 5.0 7.30242825607 68% => OK
Relative clauses : 14.0 12.0772626932 116% => OK
Pronoun: 31.0 22.412803532 138% => Less pronouns wanted
Preposition: 47.0 30.3222958057 155% => OK
Nominalization: 7.0 5.01324503311 140% => OK
Performance on vocabulary words:
No of characters: 1511.0 1373.03311258 110% => OK
No of words: 316.0 270.72406181 117% => OK
Chars per words: 4.78164556962 5.08290768461 94% => OK
Fourth root words length: 4.21620550194 4.04702891845 104% => OK
Word Length SD: 2.41057620992 2.5805825403 93% => OK
Unique words: 158.0 145.348785872 109% => OK
Unique words percentage: 0.5 0.540411800872 93% => More unique words wanted or less content wanted.
syllable_count: 468.0 419.366225166 112% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 7.0 3.25607064018 215% => Less pronouns wanted as sentence beginning.
Article: 8.0 8.23620309051 97% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 1.0 2.5761589404 39% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 12.0 13.0662251656 92% => OK
Sentence length: 26.0 21.2450331126 122% => The Avg. Sentence Length is relatively long.
Sentence length SD: 63.4837577653 49.2860985944 129% => OK
Chars per sentence: 125.916666667 110.228320801 114% => OK
Words per sentence: 26.3333333333 21.698381199 121% => OK
Discourse Markers: 7.91666666667 7.06452816374 112% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 3.0 4.19205298013 72% => OK
Sentences with positive sentiment : 5.0 4.33554083885 115% => OK
Sentences with negative sentiment : 4.0 4.45695364238 90% => OK
Sentences with neutral sentiment: 3.0 4.27373068433 70% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.277880960251 0.272083759551 102% => OK
Sentence topic coherence: 0.0981843039645 0.0996497079465 99% => OK
Sentence topic coherence SD: 0.0580822431184 0.0662205650399 88% => OK
Paragraph topic coherence: 0.15796119026 0.162205337803 97% => OK
Paragraph topic coherence SD: 0.0418937200771 0.0443174109184 95% => OK
Essay readability:
automated_readability_index: 14.2 13.3589403974 106% => OK
flesch_reading_ease: 53.55 53.8541721854 99% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 12.3 11.0289183223 112% => OK
coleman_liau_index: 10.74 12.2367328918 88% => OK
dale_chall_readability_score: 8.17 8.42419426049 97% => OK
difficult_words: 65.0 63.6247240618 102% => OK
linsear_write_formula: 10.5 10.7273730684 98% => OK
gunning_fog: 12.4 10.498013245 118% => OK
text_standard: 11.0 11.2008830022 98% => 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.