TPO10 - decreasing in otter population
In this set of materials, the reading passage claims that sea otters’ population in western coast of North America has been started declining because of environmental pollution rather than predator attacks and provides three reasons to support this. However, the lecturer finds all the ideas dubious and presents some evidence to show that predation is the most likely reason for declining number of sea otters.
The first reason that the author of the passage mentions is that there are contaminating sources and industries along the Alaskan coast that pose harmful infections to the otters' resistance. On the contrary, the professor states that the pollution is not the likely reason to decreasing sea otters since any dead sea otter has not been found at the coasts. If the pollution is the main reason to declining population of sea otters, the number of predators should have been decreased as well.
The next reason uttered in the passage is that the number of other sea mammals has decreased since a general reason like environmental pollution can affect the entire ecosystem. In contrast, the lecturer explains that the decrease in the number of sea otters in Alaskan coast is because human is hunting large predatory whales - an important prey for orcas - so that orcas have to change their diet to smaller sea mammals, like sea otters, seals, and sea lions. In this regard, the number of sea otters has decreased as a result of predation.
Finally, the reading passage asserts that the reduction in sea otters' populations is uneven along the coast due to the uneven ocean currents and consequently erratic concentrations of pollutants along the coast. Conversely, the speaker draws attention to the accessible areas for orcas that are deeper places. As orcas are large animals, they cannot come and hunt in shallow and rocky areas, and the research indicates that the shallow and rocky areas are where the number of the otters has not declined.
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Grammar and spelling errors:
Line 3, column 173, Rule ID: POSSESIVE_APOSTROPHE[2]
Message: Possible typo: apostrophe is missing. Did you mean 'otters'' or 'otter's'?
Suggestion: otters'; otter's
...ast that pose harmful infections to the otters resistance. On the contrary, the profes...
^^^^^^
Transition Words or Phrases used:
consequently, conversely, finally, first, however, if, so, well, as for, in contrast, as a result, on the contrary
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 15.0 10.4613686534 143% => OK
Auxiliary verbs: 3.0 5.04856512141 59% => OK
Conjunction : 9.0 7.30242825607 123% => OK
Relative clauses : 13.0 12.0772626932 108% => OK
Pronoun: 17.0 22.412803532 76% => OK
Preposition: 40.0 30.3222958057 132% => OK
Nominalization: 12.0 5.01324503311 239% => Less nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1644.0 1373.03311258 120% => OK
No of words: 323.0 270.72406181 119% => OK
Chars per words: 5.08978328173 5.08290768461 100% => OK
Fourth root words length: 4.23936324884 4.04702891845 105% => OK
Word Length SD: 2.60582143008 2.5805825403 101% => OK
Unique words: 158.0 145.348785872 109% => OK
Unique words percentage: 0.489164086687 0.540411800872 91% => More unique words wanted or less content wanted.
syllable_count: 507.6 419.366225166 121% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 1.0 3.25607064018 31% => OK
Interrogative: 0.0 0.116997792494 0% => OK
Article: 10.0 8.23620309051 121% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 2.0 1.51434878587 132% => 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: 29.0 21.2450331126 137% => The Avg. Sentence Length is relatively long.
Sentence length SD: 57.8689028525 49.2860985944 117% => OK
Chars per sentence: 149.454545455 110.228320801 136% => OK
Words per sentence: 29.3636363636 21.698381199 135% => OK
Discourse Markers: 10.3636363636 7.06452816374 147% => 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 : 3.0 4.45695364238 67% => 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: 0.429346003114 0.272083759551 158% => OK
Sentence topic coherence: 0.173426506827 0.0996497079465 174% => OK
Sentence topic coherence SD: 0.0794199554211 0.0662205650399 120% => OK
Paragraph topic coherence: 0.275293707571 0.162205337803 170% => OK
Paragraph topic coherence SD: 0.052852087853 0.0443174109184 119% => OK
Essay readability:
automated_readability_index: 17.2 13.3589403974 129% => OK
flesch_reading_ease: 42.04 53.8541721854 78% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 14.6 11.0289183223 132% => OK
coleman_liau_index: 12.83 12.2367328918 105% => OK
dale_chall_readability_score: 8.84 8.42419426049 105% => OK
difficult_words: 77.0 63.6247240618 121% => OK
linsear_write_formula: 14.0 10.7273730684 131% => OK
gunning_fog: 13.6 10.498013245 130% => OK
text_standard: 14.0 11.2008830022 125% => OK
What are above readability scores?
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Write the essay in 20 minutes.
Rates: 73.3333333333 out of 100
Scores by essay e-grader: 22.0 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.