The reading and the lecture discuss the decline of the sea otter population –a small mammal from the western coast of North America-. Furthermore, experts have figured out what were the main causes of the decline such as pollution and predation. The author believes that environmental pollution explain better why have reduced the number of these animal species. The professor brings into question the claims made in the article. He considers that newest proofs say that animal predation is the major cause.
First, the author comes up with the idea that oil rigs and sources of chemicals have been seen along the Alaskan coast. It is mentioned that the levels of chemicals in water samples from the area show clearly that pollutants cause the death of these otters by infecting them. However, the professor argues that nobody has found an otter died by infection, and otter may die hunted by predators because they cannot wash up on shore.
Second, the author states that other animals such as seals and sea lions have declined as well, so it is notable that they were affected by pollution. The article also notes that Orcas just hunted larger preys such as whales. The professor rebuts this argument by pointing out that as the whales disappeared from that area, orcas started to hunt smaller animals such as the aforecited. Therefore, the orca was the main hunter of sea otters.
Finally, the author contends that pollution pattern could be seen in different locations, for instance in Alaska the decline was massive, but in others, the population was the same. As a result, pollutants’ concentrations in the coast explain why pollution was the main cause. The professor, on the other hand, posits that orca predation also explains that orcas could or not access to some location, and as Alaska was accessible for them, they hunted as much as they could reducing the sea otters and the other sea species.
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Grammar and spelling errors:
Line 7, column 480, Rule ID: DID_BASEFORM[1]
Message: The verb 'could' requires the base form of the verb: 'reduce'
Suggestion: reduce
...them, they hunted as much as they could reducing the sea otters and the other sea specie...
^^^^^^^^
Transition Words or Phrases used:
also, but, finally, first, furthermore, however, if, may, second, so, therefore, well, for instance, such as, as a result, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 12.0 10.4613686534 115% => OK
Auxiliary verbs: 5.0 5.04856512141 99% => OK
Conjunction : 9.0 7.30242825607 123% => OK
Relative clauses : 15.0 12.0772626932 124% => OK
Pronoun: 27.0 22.412803532 120% => Less pronouns wanted
Preposition: 33.0 30.3222958057 109% => OK
Nominalization: 15.0 5.01324503311 299% => Less nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1603.0 1373.03311258 117% => OK
No of words: 322.0 270.72406181 119% => OK
Chars per words: 4.97826086957 5.08290768461 98% => OK
Fourth root words length: 4.23607819155 4.04702891845 105% => OK
Word Length SD: 2.4721296688 2.5805825403 96% => OK
Unique words: 175.0 145.348785872 120% => OK
Unique words percentage: 0.54347826087 0.540411800872 101% => OK
syllable_count: 487.8 419.366225166 116% => 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: 12.0 8.23620309051 146% => OK
Subordination: 1.0 1.25165562914 80% => OK
Conjunction: 3.0 1.51434878587 198% => OK
Preposition: 1.0 2.5761589404 39% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 15.0 13.0662251656 115% => OK
Sentence length: 21.0 21.2450331126 99% => OK
Sentence length SD: 49.0453758156 49.2860985944 100% => OK
Chars per sentence: 106.866666667 110.228320801 97% => OK
Words per sentence: 21.4666666667 21.698381199 99% => OK
Discourse Markers: 9.33333333333 7.06452816374 132% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 1.0 4.19205298013 24% => OK
Sentences with positive sentiment : 3.0 4.33554083885 69% => OK
Sentences with negative sentiment : 3.0 4.45695364238 67% => OK
Sentences with neutral sentiment: 9.0 4.27373068433 211% => Less facts, knowledge or examples wanted.
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.488876399583 0.272083759551 180% => OK
Sentence topic coherence: 0.141965797368 0.0996497079465 142% => OK
Sentence topic coherence SD: 0.081141254736 0.0662205650399 123% => OK
Paragraph topic coherence: 0.273023933307 0.162205337803 168% => OK
Paragraph topic coherence SD: 0.0302647505262 0.0443174109184 68% => OK
Essay readability:
automated_readability_index: 12.8 13.3589403974 96% => 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: 11.6 12.2367328918 95% => OK
dale_chall_readability_score: 8.7 8.42419426049 103% => OK
difficult_words: 82.0 63.6247240618 129% => OK
linsear_write_formula: 8.0 10.7273730684 75% => OK
gunning_fog: 10.4 10.498013245 99% => OK
text_standard: 10.0 11.2008830022 89% => OK
What are above readability scores?
---------------------
Write the essay in 20 minutes.
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.