The cause of the extinction of sea cow
The reading passage is investigating the reason of sea cow's extinction, meanwhile the professor in the lecture is also discussing the same issue. However, what the professor states conflicts with the author's opinions and he utilizes three convincing arguments to verify that the author's theories are erroneous.
To start with, the author suggests that the sea cow became extinct owing to native Siberian people's overhunting. Nevertheless, the professor rebuts that since the population of native Siberian people was not large and the sea cow was a kind of massive creatures, therefore, a couple of sea cow could support Siberian people's lives for months. Consequently, Siberian people did not need to hunt a lot of sea cow for their survival.
What's more, despite the assertion in the reading passage that the ecosystems disturbances were probably the crucial factor that leads to the extinction of sea cow, the professor harbors the idea that, provided that there were environmental changes happening in 1769, other animals living in the identical area should have been affected by changes too. However, in accordance with the fishing ship record, the population of whales living in Bering Island did not suffer a decline, which indicates that the population of kelp should have grown finely without any disturbance and the sea cow did not experience the food shortage.
Finally, the author reckons that European fur traders are supposed to bear the responsibility of the extinction since all of them were equipped with weapons which enabled them to quickly hunt a large proportion of sea cow. Whereas the professor contends that the population of sea cow was already comparatively modest when European fur traders arrived at Bering Island, and the population of sea cow reached to the culmination hundreds of years before those traders' arrival, hence, those fur traders should not be put on blame for the extinction of sea cow.
In a nutshell, the professor explicitly points out the weaknesses existing in the statement of the reading passage and convincingly verifies that all three theories formulated in the passage are not authentic enough to explain the main cause of the extinction.
| Post date | Users | Rates | Link to Content |
|---|---|---|---|
| 2023-05-11 | fmichela | 80 | view |
| 2022-12-14 | amchoi0810 | 80 | view |
| 2022-12-14 | amchoi0810 | 80 | view |
| 2022-09-03 | dnudlyjgtnudbphwev | 80 | view |
| 2021-04-25 | Mithun Chandra Banik | 80 | view |
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Grammar and spelling errors:
Line 2, column 93, Rule ID: POSSESIVE_APOSTROPHE[2]
Message: Possible typo: apostrophe is missing. Did you mean 'peoples'' or 'people's'?
Suggestion: peoples'; people's
...became extinct owing to native Siberian peoples overhunting. Nevertheless, the professo...
^^^^^^^
Line 3, column 1, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: What's
...t a lot of sea cow for their survival. Whats more, despite the assertion in the read...
^^^^^
Line 4, column 97, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...e supposed to bear the responsibility of the extinction since all of them were eq...
^^
Line 4, column 459, Rule ID: POSSESIVE_APOSTROPHE[2]
Message: Possible typo: apostrophe is missing. Did you mean 'traders'' or 'trader's'?
Suggestion: traders'; trader's
...mination hundreds of years before those traders arrival, hence, those fur traders shoul...
^^^^^^^
Transition Words or Phrases used:
also, but, consequently, finally, hence, however, if, nevertheless, so, then, therefore, whereas, while, kind of, to start with
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 13.0 10.4613686534 124% => OK
Auxiliary verbs: 5.0 5.04856512141 99% => OK
Conjunction : 5.0 7.30242825607 68% => OK
Relative clauses : 14.0 12.0772626932 116% => OK
Pronoun: 17.0 22.412803532 76% => OK
Preposition: 48.0 30.3222958057 158% => OK
Nominalization: 17.0 5.01324503311 339% => Less nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1844.0 1373.03311258 134% => OK
No of words: 352.0 270.72406181 130% => OK
Chars per words: 5.23863636364 5.08290768461 103% => OK
Fourth root words length: 4.33147354134 4.04702891845 107% => OK
Word Length SD: 2.79690926672 2.5805825403 108% => OK
Unique words: 181.0 145.348785872 125% => OK
Unique words percentage: 0.514204545455 0.540411800872 95% => OK
syllable_count: 570.6 419.366225166 136% => 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
Article: 8.0 8.23620309051 97% => OK
Subordination: 1.0 1.25165562914 80% => OK
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 4.0 2.5761589404 155% => OK
Performance on sentences:
How many sentences: 10.0 13.0662251656 77% => 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: 35.0 21.2450331126 165% => The Avg. Sentence Length is relatively long.
Sentence length SD: 85.3421935504 49.2860985944 173% => OK
Chars per sentence: 184.4 110.228320801 167% => OK
Words per sentence: 35.2 21.698381199 162% => OK
Discourse Markers: 12.7 7.06452816374 180% => OK
Paragraphs: 5.0 4.09492273731 122% => OK
Language errors: 4.0 4.19205298013 95% => OK
Sentences with positive sentiment : 3.0 4.33554083885 69% => OK
Sentences with negative sentiment : 4.0 4.45695364238 90% => 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: 0.40694940831 0.272083759551 150% => OK
Sentence topic coherence: 0.161449888948 0.0996497079465 162% => OK
Sentence topic coherence SD: 0.0879850155584 0.0662205650399 133% => OK
Paragraph topic coherence: 0.189855701374 0.162205337803 117% => OK
Paragraph topic coherence SD: 0.105452285862 0.0443174109184 238% => More connections among paragraphs wanted.
Essay readability:
automated_readability_index: 20.9 13.3589403974 156% => OK
flesch_reading_ease: 35.95 53.8541721854 67% => OK
smog_index: 11.2 5.55761589404 202% => Smog_index is high.
flesch_kincaid_grade: 16.9 11.0289183223 153% => OK
coleman_liau_index: 13.7 12.2367328918 112% => OK
dale_chall_readability_score: 9.5 8.42419426049 113% => OK
difficult_words: 92.0 63.6247240618 145% => OK
linsear_write_formula: 14.0 10.7273730684 131% => OK
gunning_fog: 16.0 10.498013245 152% => 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: 83.3333333333 out of 100
Scores by essay e-grader: 25.0 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.