The passage discusses the main reason for the sea otter decline as environmental pollution rather than predation by given several points of views. The professor, on the other hand, casts doubt on the main reason for the decline, and provide some alternative views.
Firstly, the author claims the pollution theory by the increased level of chemicals in the water samples which leads to a decrease the otter's resistance to life-threatening infections. However, the lecturer disproves the theory by providing the inconsistency for the absence of sea otter on the beaches. Additionally, she suggests that the absence is more likely to because of predation.
Secondly, the passage assumes pollution has affected the entire ecosystem, and thus, orcas, a large predatory of otters, started to hunt larger prays, such as whales. In fact, this indicates predation is not the primary reason for otter decline. The professor, on the contrary, states that orcas changed their diet and eat all small sea mammals, such as seals, sea lions, and sea otters. Moreover, she suggests that as the dead bodies of otters are not seen, if they hunted by orcas, which consistent with the first point the teacher mentioned before.
Thirdly, the author explains the uneven population pattern of sea otters by ocean currents and environmental factors. On the other hand, the lect claims the uneven pattern by focusing on the locations of orcas can access in which shallow and rocky, since the number of animals is stable in those regions. In fact, orcas are not able to swim through and eat the prays, small sea mammals.
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Grammar and spelling errors:
Line 3, column 136, Rule ID: POSSESIVE_APOSTROPHE[1]
Message: Possible typo: apostrophe is missing. Did you mean 'otters'' or 'otter's'?
Suggestion: otters'; otter's
...r samples which leads to a decrease the otters resistance to life-threatening infectio...
^^^^^^
Transition Words or Phrases used:
first, firstly, however, if, moreover, second, secondly, so, third, thirdly, thus, in fact, such as, on the contrary, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 5.0 10.4613686534 48% => More to be verbs wanted.
Auxiliary verbs: 1.0 5.04856512141 20% => OK
Conjunction : 7.0 7.30242825607 96% => OK
Relative clauses : 6.0 12.0772626932 50% => More relative clauses wanted.
Pronoun: 9.0 22.412803532 40% => OK
Preposition: 35.0 30.3222958057 115% => OK
Nominalization: 10.0 5.01324503311 199% => OK
Performance on vocabulary words:
No of characters: 1344.0 1373.03311258 98% => OK
No of words: 262.0 270.72406181 97% => OK
Chars per words: 5.12977099237 5.08290768461 101% => OK
Fourth root words length: 4.02323427807 4.04702891845 99% => OK
Word Length SD: 2.65041641726 2.5805825403 103% => OK
Unique words: 143.0 145.348785872 98% => OK
Unique words percentage: 0.545801526718 0.540411800872 101% => OK
syllable_count: 404.1 419.366225166 96% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 3.0 3.25607064018 92% => OK
Article: 9.0 8.23620309051 109% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 3.0 1.51434878587 198% => OK
Preposition: 6.0 2.5761589404 233% => Less preposition wanted as sentence beginnings.
Performance on sentences:
How many sentences: 12.0 13.0662251656 92% => OK
Sentence length: 21.0 21.2450331126 99% => OK
Sentence length SD: 37.1670403569 49.2860985944 75% => OK
Chars per sentence: 112.0 110.228320801 102% => OK
Words per sentence: 21.8333333333 21.698381199 101% => OK
Discourse Markers: 11.25 7.06452816374 159% => 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 : 1.0 4.45695364238 22% => More negative sentences wanted.
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: 0.343173440894 0.272083759551 126% => OK
Sentence topic coherence: 0.119190854632 0.0996497079465 120% => OK
Sentence topic coherence SD: 0.0499763304365 0.0662205650399 75% => OK
Paragraph topic coherence: 0.196133161441 0.162205337803 121% => OK
Paragraph topic coherence SD: 0.0220309200259 0.0443174109184 50% => Paragraphs are similar to each other. Some content may get duplicated or it is not exactly right on the topic.
Essay readability:
automated_readability_index: 13.6 13.3589403974 102% => OK
flesch_reading_ease: 58.62 53.8541721854 109% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 10.3 11.0289183223 93% => OK
coleman_liau_index: 12.47 12.2367328918 102% => OK
dale_chall_readability_score: 8.96 8.42419426049 106% => OK
difficult_words: 71.0 63.6247240618 112% => OK
linsear_write_formula: 11.0 10.7273730684 103% => OK
gunning_fog: 10.4 10.498013245 99% => OK
text_standard: 11.0 11.2008830022 98% => OK
What are above readability scores?
---------------------
Rates: 76.6666666667 out of 100
Scores by essay e-grader: 23.0 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.