Both the reading and the lecture discuss the decline of sea otters. The author of the reading believes that pollution is the main cause of reduction the population of this mammal. However, the lecture casts doubt on the claims made in the article. He says that from the investigation, the numbers of sea otters have killed due to their predators.
First of all, the article points out that there are many chemical industries along the coat of Alaskan. These factories waste their chemical substances that harm sea otters. This point is challenged by the lecture. He says that the idea of pollution is weaken, in fact nobody have seen any dead body of the sea otters on the sea. However, it is more convincing that the sea otters were killed by their predators and their bodies were eaten right away.
Secondly, the article contends that the rate of seals and sea lions also decline along the Alaskan. The lecture rebuts this argument that orcas prefer hunting whales. However, since the whales disappeared because of people, the Orcas had to feed themselves by seals and lions.
Finally, the article states that only the sea otters in Alaskan decline, the population of these mammals in other places have no change. The lecture on the other hand, opposes this reason. He refutes that because orcas are big, they could only kill the sea otters in the places that are suitable for their size. In contrast, the orcas cannot reach to shallow or rocky locations. That is why, these places the rate of the sea otters did not decline.
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Grammar and spelling errors:
Line 2, column 254, Rule ID: BEEN_PART_AGREEMENT[1]
Message: Consider using a past participle here: 'weakened'.
Suggestion: weakened
.... He says that the idea of pollution is weaken, in fact nobody have seen any dead body...
^^^^^^
Line 2, column 277, Rule ID: HE_VERB_AGR[1]
Message: The pronoun 'nobody' must be used with a third-person verb: 'has'.
Suggestion: has
... of pollution is weaken, in fact nobody have seen any dead body of the sea otters on...
^^^^
Transition Words or Phrases used:
also, but, finally, first, however, second, secondly, so, in contrast, in fact, 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 : 5.0 7.30242825607 68% => OK
Relative clauses : 12.0 12.0772626932 99% => OK
Pronoun: 30.0 22.412803532 134% => Less pronouns wanted
Preposition: 33.0 30.3222958057 109% => OK
Nominalization: 7.0 5.01324503311 140% => OK
Performance on vocabulary words:
No of characters: 1268.0 1373.03311258 92% => OK
No of words: 265.0 270.72406181 98% => OK
Chars per words: 4.78490566038 5.08290768461 94% => OK
Fourth root words length: 4.03470204552 4.04702891845 100% => OK
Word Length SD: 2.25794747651 2.5805825403 87% => OK
Unique words: 134.0 145.348785872 92% => More unique words wanted.
Unique words percentage: 0.505660377358 0.540411800872 94% => More unique words wanted or less content wanted.
syllable_count: 393.3 419.366225166 94% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 9.0 3.25607064018 276% => Less pronouns wanted as sentence beginning.
Article: 11.0 8.23620309051 134% => OK
Subordination: 1.0 1.25165562914 80% => OK
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 3.0 2.5761589404 116% => OK
Performance on sentences:
How many sentences: 17.0 13.0662251656 130% => OK
Sentence length: 15.0 21.2450331126 71% => The Avg. Sentence Length is relatively short.
Sentence length SD: 27.5227493195 49.2860985944 56% => The essay contains lots of sentences with the similar length. More sentence varieties wanted.
Chars per sentence: 74.5882352941 110.228320801 68% => OK
Words per sentence: 15.5882352941 21.698381199 72% => OK
Discourse Markers: 6.52941176471 7.06452816374 92% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 2.0 4.19205298013 48% => OK
Sentences with positive sentiment : 1.0 4.33554083885 23% => More positive sentences wanted.
Sentences with negative sentiment : 11.0 4.45695364238 247% => Less negative sentences wanted.
Sentences with neutral sentiment: 5.0 4.27373068433 117% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.37438633967 0.272083759551 138% => OK
Sentence topic coherence: 0.111447550319 0.0996497079465 112% => OK
Sentence topic coherence SD: 0.0655757716546 0.0662205650399 99% => OK
Paragraph topic coherence: 0.219730704897 0.162205337803 135% => OK
Paragraph topic coherence SD: 0.042041295261 0.0443174109184 95% => OK
Essay readability:
automated_readability_index: 8.9 13.3589403974 67% => Automated_readability_index is low.
flesch_reading_ease: 64.71 53.8541721854 120% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 8.0 11.0289183223 73% => OK
coleman_liau_index: 10.15 12.2367328918 83% => OK
dale_chall_readability_score: 7.6 8.42419426049 90% => OK
difficult_words: 54.0 63.6247240618 85% => More difficult words wanted.
linsear_write_formula: 5.5 10.7273730684 51% => Linsear_write_formula is low.
gunning_fog: 8.0 10.498013245 76% => OK
text_standard: 8.0 11.2008830022 71% => OK
What are above readability scores?
---------------------
Rates: 68.3333333333 out of 100
Scores by essay e-grader: 20.5 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.