Sea otters are a small mammal that lives in the waters along North America's west coast from California to Alaska. A few years ago some of the sea otter populations off of the Alaskan coast started to decline rapidly and raised several concerns because of their important role in the coastal ecosystem. Experts began investigating and came up with two possible explanations. One explanation was environmental pollution and the second was attacked by predators. At first, it seemed as if the pollution was the most likely cause for the population decline. One reason pollution was more likely was because of the known pollution sources along the Alaskan coast such as oil rigs. Also, water samples taken in the area showed increased levels of chemicals that could decrease the otters' immune systems and indirectly result in their deaths. Another thing that pointed to pollution as the culprit was the decline of other sea mammals such as seals in the same areas. This indicated that whatever was affecting the otters was also affecting the other sea mammals. Environmental pollution usually affects an entire ecosystem instead of just one species. Only predators that occurred in a large area, such as orcas (a large predatory whale), could cause the same effect, but they usually hunt larger prey. Finally, scientists believed the pollution hypothesis would also explain the uneven pattern of otter decline. In some Alaskan locations, the otter population declined greatly while other populations remained stable. Some experts suggested this could be explained by ocean currents, or another environmental factor might have created uneven concentrations of pollutants along the coast.
Recently, there has been a ton of debate as to the cause of declining the sea otter. More specifically, in regards to the passages, the writer puts forth the idea that there are two main causes for decreasing the sea otter population, one is environmental pollution and another is attack of predators. In the listening passage, the lecturer is quick to point out there are some serious flaws in the writer’s claims. In fact, the professor believes the sea otter population decreased due to human hunter, and address in detail, the trouble with each point made in the reading text.
First and foremost, the author of the reading states that environmental pollution is one of the main causes for declining the otter population. Some professionals in the same field, however, stand in firm opposition to this claim. In the listening, for example, the professor states the environmental effects was very little for declining the otter population. He goes on to say that if environmental pollution has any effect , not only sea otter but also sea creatures number also decreased. But other creature are remained same in that sea area.
One group of scholars, represented by the writer, thinks that predator attack is one of the cause for declining the sea otter population. Of course, though, not all experts in this field believe this is accurate. Again, the speaker specifically addresses this point when he states the predator is not the cause for declining the number of sea otter. Additionally he notes that there is only large predator live in this sea area, name orcas. However, the orcas only hunts the larger animal than otter. Again, if the otters are hunted by the predator, the otter never come to the shore through tide. So, lecturer claims that the sea otter only declined by the human hunters.
Finally, the author wraps his argument by positing that otter population reduced by ocean currents, or another environmental factor might have created uneven concentrations of pollutants along the coast. Not surprisingly, the lecturer takes issue with this claim by contending that If this situation occurred the other species also affected. He notes that, as other animal populations remain same the above argument of the Witten passage is invalid.
To sum up, both the writer and professor hold conflicting views about about the cause of declining sea otter population. It is clear that they will have trouble, finding common ground on this issue.
| Post date | Users | Rates | Link to Content |
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| 2023-02-13 | zaid | 73 | view |
| 2022-12-06 | Naveena0 | 73 | view |
| 2022-12-06 | Vincent Samuel | 80 | view |
| 2022-12-06 | Naveena0 | 71 | view |
| 2022-11-16 | rpinisetti8 | 80 | view |
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Grammar and spelling errors:
Line 1, column 105, Rule ID: IN_REGARD_TO[1]
Message: Use simply 'regarding' or 'with regard to'.
Suggestion: regarding; with regard to
...ining the sea otter. More specifically, in regards to the passages, the writer puts forth the...
^^^^^^^^^^^^^
Line 4, column 426, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma, but not before the comma
Suggestion: ,
...f environmental pollution has any effect , not only sea otter but also sea creatur...
^^
Line 7, column 351, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: Additionally,
... for declining the number of sea otter. Additionally he notes that there is only large preda...
^^^^^^^^^^^^
Line 13, column 65, Rule ID: ENGLISH_WORD_REPEAT_RULE
Message: Possible typo: you repeated a word
Suggestion: about
...er and professor hold conflicting views about about the cause of declining sea otter popula...
^^^^^^^^^^^
Line 15, column 1, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...finding common ground on this issue.
^^^
Transition Words or Phrases used:
also, but, finally, first, however, if, so, as to, for example, in fact, of course, to sum up
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 16.0 10.4613686534 153% => OK
Auxiliary verbs: 2.0 5.04856512141 40% => OK
Conjunction : 7.0 7.30242825607 96% => OK
Relative clauses : 12.0 12.0772626932 99% => OK
Pronoun: 26.0 22.412803532 116% => OK
Preposition: 49.0 30.3222958057 162% => OK
Nominalization: 14.0 5.01324503311 279% => Less nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 2075.0 1373.03311258 151% => OK
No of words: 407.0 270.72406181 150% => Less content wanted.
Chars per words: 5.09828009828 5.08290768461 100% => OK
Fourth root words length: 4.49157444576 4.04702891845 111% => OK
Word Length SD: 2.69937298706 2.5805825403 105% => OK
Unique words: 200.0 145.348785872 138% => OK
Unique words percentage: 0.4914004914 0.540411800872 91% => More unique words wanted or less content wanted.
syllable_count: 645.3 419.366225166 154% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 3.0 3.25607064018 92% => OK
Article: 11.0 8.23620309051 134% => 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: 21.0 13.0662251656 161% => OK
Sentence length: 19.0 21.2450331126 89% => OK
Sentence length SD: 42.2674241869 49.2860985944 86% => OK
Chars per sentence: 98.8095238095 110.228320801 90% => OK
Words per sentence: 19.380952381 21.698381199 89% => OK
Discourse Markers: 4.42857142857 7.06452816374 63% => OK
Paragraphs: 5.0 4.09492273731 122% => OK
Language errors: 5.0 4.19205298013 119% => OK
Sentences with positive sentiment : 3.0 4.33554083885 69% => OK
Sentences with negative sentiment : 8.0 4.45695364238 179% => OK
Sentences with neutral sentiment: 10.0 4.27373068433 234% => Less facts, knowledge or examples wanted.
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.228814599128 0.272083759551 84% => OK
Sentence topic coherence: 0.0782118128673 0.0996497079465 78% => OK
Sentence topic coherence SD: 0.0501258371638 0.0662205650399 76% => OK
Paragraph topic coherence: 0.132689885371 0.162205337803 82% => OK
Paragraph topic coherence SD: 0.0403954768514 0.0443174109184 91% => OK
Essay readability:
automated_readability_index: 12.3 13.3589403974 92% => Automated_readability_index is low.
flesch_reading_ease: 52.19 53.8541721854 97% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 10.7 11.0289183223 97% => OK
coleman_liau_index: 12.3 12.2367328918 101% => OK
dale_chall_readability_score: 7.99 8.42419426049 95% => OK
difficult_words: 88.0 63.6247240618 138% => OK
linsear_write_formula: 13.5 10.7273730684 126% => OK
gunning_fog: 9.6 10.498013245 91% => OK
text_standard: 10.0 11.2008830022 89% => 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.