tpo 10 sea otters declining
The material discusses the possible reasons that cause sea otter's declining. While the reading claims that the pollution hypothesis is the more likely reason, the listening disagrees and mentions that the predation theory is the most suitable explanation.
First, the author states that the decline happened along the Alaskan coast, where there was a lot of industrial chemical pollution. On the other hand, the professor refutes this and posits that if pollution is the reason, so there should be died sea otters. The lecturer adds the absence of killed otter because the predators ate them. The speaker explains that consistency with the predation theory.
Second, the writer contends that there were other mammals in the same area that were declining too. On the contrary, the lecturer opposes this and states that orcas used to eat whales, and when whales disappeared, they had to search for other food sources to survive. The professor says that orcas hunted other mammals, such as sea lions, seals, and sea otter. As a result, their numbers declined.
Third, the reading states that the uneven pattern of declined could strengthen the pollution hypothesis. Conversely, the professor contradicts this and points out that uneven pattern of declining because orcas could not access all places evenly. The lecturer adds the orcas are very large so they could not access shallow and rocky places. The speaker states that shallow and rocky places are the locations where sea otters have not declined.
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Transition Words or Phrases used:
conversely, first, if, second, so, then, third, while, such as, as a result, on the contrary, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 9.0 10.4613686534 86% => OK
Auxiliary verbs: 4.0 5.04856512141 79% => OK
Conjunction : 8.0 7.30242825607 110% => OK
Relative clauses : 16.0 12.0772626932 132% => OK
Pronoun: 20.0 22.412803532 89% => OK
Preposition: 13.0 30.3222958057 43% => More preposition wanted.
Nominalization: 8.0 5.01324503311 160% => OK
Performance on vocabulary words:
No of characters: 1265.0 1373.03311258 92% => OK
No of words: 242.0 270.72406181 89% => More content wanted.
Chars per words: 5.22727272727 5.08290768461 103% => OK
Fourth root words length: 3.94415379849 4.04702891845 97% => OK
Word Length SD: 2.39252986747 2.5805825403 93% => OK
Unique words: 135.0 145.348785872 93% => More unique words wanted.
Unique words percentage: 0.557851239669 0.540411800872 103% => OK
syllable_count: 378.0 419.366225166 90% => 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: 13.0 8.23620309051 158% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 2.0 1.51434878587 132% => OK
Preposition: 2.0 2.5761589404 78% => OK
Performance on sentences:
How many sentences: 14.0 13.0662251656 107% => OK
Sentence length: 17.0 21.2450331126 80% => The Avg. Sentence Length is relatively short.
Sentence length SD: 37.6885734863 49.2860985944 76% => OK
Chars per sentence: 90.3571428571 110.228320801 82% => OK
Words per sentence: 17.2857142857 21.698381199 80% => OK
Discourse Markers: 7.92857142857 7.06452816374 112% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 0.0 4.19205298013 0% => OK
Sentences with positive sentiment : 1.0 4.33554083885 23% => 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: 0.395826056885 0.272083759551 145% => OK
Sentence topic coherence: 0.119325215262 0.0996497079465 120% => OK
Sentence topic coherence SD: 0.0686989087911 0.0662205650399 104% => OK
Paragraph topic coherence: 0.219136627666 0.162205337803 135% => OK
Paragraph topic coherence SD: 0.0380506283419 0.0443174109184 86% => OK
Essay readability:
automated_readability_index: 11.8 13.3589403974 88% => Automated_readability_index is low.
flesch_reading_ease: 54.22 53.8541721854 101% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 9.9 11.0289183223 90% => OK
coleman_liau_index: 12.76 12.2367328918 104% => OK
dale_chall_readability_score: 8.85 8.42419426049 105% => OK
difficult_words: 67.0 63.6247240618 105% => OK
linsear_write_formula: 8.0 10.7273730684 75% => OK
gunning_fog: 8.8 10.498013245 84% => OK
text_standard: 9.0 11.2008830022 80% => OK
What are above readability scores?
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Rates: 81.6666666667 out of 100
Scores by essay e-grader: 24.5 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.