The author describes that the cause of the decline in sea otter populations of the Alaskan coast was probably environmental pollution and provides three reasons to support this claim. On the other hand, the lecturer states that predators hypothesis seemed the most likely theory of rapidly declining in their populations and refutes each of the author's reasons with rational grounds.
First of all, the writer states that industrial chemical pollution is the more likely cause of the sea otter deaths and the water samples of Alaskan coast disclosure the increasing rate of the chemicals in that area. Nevertheless, the professor points out that no one could see the dead's body of the otters; accordingly, infection was not the cause of their death. In this regard, predator hypothesis is a more reasonable theory, owing to the fact that predators cannot wash their dead bodies on the shores.
Second, according to the reading, as other sea animals along the Alaskan coast were also declining, it was probable that otters were affecting other sea mammals. Conversely, the lecturer brings up the idea that wales were disappeared because of the human hunters. In this regard, orcas changed their diet, and they ate other smaller mammals, such as seals, sea lions, and sea otter. As a result, declining in the populations of other sea mammals has nothing to do with pollution.
Third, the author expresses that the uneven pattern of otter decline clearly explained the pollution hypothesis. However, the speaker posits that as orcas are huge animals, they prefer not to live in shallow and rocky places, and in these locations, there was no decline in otters’ populations.
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Grammar and spelling errors:
Line 1, column 229, Rule ID: POSSESIVE_APOSTROPHE[1]
Message: Possible typo: apostrophe is missing. Did you mean 'predators'' or 'predator's'?
Suggestion: predators'; predator's
...he other hand, the lecturer states that predators hypothesis seemed the most likely theor...
^^^^^^^^^
Transition Words or Phrases used:
accordingly, also, conversely, first, however, nevertheless, second, so, third, such as, as a result, first of all, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 10.0 10.4613686534 96% => OK
Auxiliary verbs: 2.0 5.04856512141 40% => OK
Conjunction : 7.0 7.30242825607 96% => OK
Relative clauses : 10.0 12.0772626932 83% => OK
Pronoun: 21.0 22.412803532 94% => OK
Preposition: 34.0 30.3222958057 112% => OK
Nominalization: 5.0 5.01324503311 100% => OK
Performance on vocabulary words:
No of characters: 1405.0 1373.03311258 102% => OK
No of words: 273.0 270.72406181 101% => OK
Chars per words: 5.14652014652 5.08290768461 101% => OK
Fourth root words length: 4.06481385082 4.04702891845 100% => OK
Word Length SD: 2.6282249109 2.5805825403 102% => OK
Unique words: 150.0 145.348785872 103% => OK
Unique words percentage: 0.549450549451 0.540411800872 102% => OK
syllable_count: 431.1 419.366225166 103% => 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: 7.0 8.23620309051 85% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 3.0 1.51434878587 198% => OK
Preposition: 5.0 2.5761589404 194% => OK
Performance on sentences:
How many sentences: 11.0 13.0662251656 84% => 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: 24.0 21.2450331126 113% => OK
Sentence length SD: 39.4392513298 49.2860985944 80% => OK
Chars per sentence: 127.727272727 110.228320801 116% => OK
Words per sentence: 24.8181818182 21.698381199 114% => OK
Discourse Markers: 12.0909090909 7.06452816374 171% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 1.0 4.19205298013 24% => OK
Sentences with positive sentiment : 5.0 4.33554083885 115% => OK
Sentences with negative sentiment : 2.0 4.45695364238 45% => More negative sentences wanted.
Sentences with neutral sentiment: 4.0 4.27373068433 94% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.503207425545 0.272083759551 185% => OK
Sentence topic coherence: 0.179034281325 0.0996497079465 180% => OK
Sentence topic coherence SD: 0.108741309821 0.0662205650399 164% => OK
Paragraph topic coherence: 0.273389908685 0.162205337803 169% => OK
Paragraph topic coherence SD: 0.0744894810025 0.0443174109184 168% => OK
Essay readability:
automated_readability_index: 15.2 13.3589403974 114% => OK
flesch_reading_ease: 47.12 53.8541721854 87% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 12.7 11.0289183223 115% => OK
coleman_liau_index: 12.89 12.2367328918 105% => OK
dale_chall_readability_score: 9.22 8.42419426049 109% => OK
difficult_words: 76.0 63.6247240618 119% => OK
linsear_write_formula: 14.0 10.7273730684 131% => OK
gunning_fog: 11.6 10.498013245 110% => OK
text_standard: 13.0 11.2008830022 116% => 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.