tpo 34 the sea cows' extinction
The material discusses the reasons for sea cows' extinction. While the reading suggests three theories that could explain this extinction, the listening disagrees and mentions that the truth is they do not the main reason for sea cows' extinction and there is a problem with each theory of the reading.
First, the author says that sea cows were extinct because of overhunting by Siberian people. On the other hand, the professor challenges this and states that sea cows were massive, one of them was nine-meter-long and weighed ten tons. Furthermore, the lecturer explains that a couple of sea cows could feed Siberian people for a month. the speaker adds that Siberian's population was not very large, so they did not need to hunt a lot of sea cows. The professor cits that overhunting by Sioberain people is not the reason for sea cows' extinction.
Second, the writer states that sea cows were extinct because of ecosystems disturbances that declined their main source of food, which was kelp. On the contrary, the professor opposes this and contends that if there was an ecosystem disturbance before 1968, so not just kelps might decline. The lecturer explains that other marine, such as whales should be diminished too. The speaker adds that there was no report about the declining of other creatures during this period. The professor concludes that kelp grew fine and sea cows did not have any experience of food shortage.
Third, the reading posits that the arrival of the European fur traders was the main reason for sea cows' extinction. Conversely, the lecturer contradicts this and mentions that sea cows were extinct soon after European arrival. The professor cits that sea cows' population was already quite small a hundred years before European fur traders reached the island. The speaker contends that if sea cows declined long before European fur traders' arrival to the island, they were not the main reason for sea cows extinction.
| Post date | Users | Rates | Link to Content |
|---|---|---|---|
| 2019-12-18 | Christine hanna | 80 | view |
| 2019-11-29 | nagy | 73 | view |
| 2019-10-24 | Christine hanna | 3 | view |
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Grammar and spelling errors:
Line 3, column 337, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: The
...could feed Siberian people for a month. the speaker adds that Siberians population ...
^^^
Line 5, column 475, Rule ID: ENGLISH_WORD_REPEAT_BEGINNING_RULE
Message: Three successive sentences begin with the same word. Reword the sentence or use a thesaurus to find a synonym.
... of other creatures during this period. The professor concludes that kelp grew fine...
^^^
Line 7, column 256, Rule ID: POSSESIVE_APOSTROPHE[1]
Message: Possible typo: apostrophe is missing. Did you mean 'cows'' or 'cow's'?
Suggestion: cows'; cow's
...an arrival. The professor cits that sea cows population was already quite small a hu...
^^^^
Line 7, column 432, Rule ID: POSSESIVE_APOSTROPHE[1]
Message: Possible typo: apostrophe is missing. Did you mean 'traders'' or 'trader's'?
Suggestion: traders'; trader's
... cows declined long before European fur traders arrival to the island, they were not th...
^^^^^^^
Transition Words or Phrases used:
conversely, first, furthermore, if, second, so, third, while, such as, on the contrary, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 16.0 10.4613686534 153% => OK
Auxiliary verbs: 5.0 5.04856512141 99% => OK
Conjunction : 7.0 7.30242825607 96% => OK
Relative clauses : 18.0 12.0772626932 149% => OK
Pronoun: 27.0 22.412803532 120% => Less pronouns wanted
Preposition: 23.0 30.3222958057 76% => OK
Nominalization: 10.0 5.01324503311 199% => OK
Performance on vocabulary words:
No of characters: 1630.0 1373.03311258 119% => OK
No of words: 323.0 270.72406181 119% => OK
Chars per words: 5.04643962848 5.08290768461 99% => OK
Fourth root words length: 4.23936324884 4.04702891845 105% => OK
Word Length SD: 2.53212923057 2.5805825403 98% => OK
Unique words: 151.0 145.348785872 104% => OK
Unique words percentage: 0.467492260062 0.540411800872 87% => More unique words wanted or less content wanted.
syllable_count: 474.3 419.366225166 113% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 1.0 3.25607064018 31% => OK
Article: 16.0 8.23620309051 194% => OK
Subordination: 1.0 1.25165562914 80% => OK
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 2.0 2.5761589404 78% => OK
Performance on sentences:
How many sentences: 16.0 13.0662251656 122% => OK
Sentence length: 20.0 21.2450331126 94% => OK
Sentence length SD: 39.8351583874 49.2860985944 81% => OK
Chars per sentence: 101.875 110.228320801 92% => OK
Words per sentence: 20.1875 21.698381199 93% => OK
Discourse Markers: 6.5625 7.06452816374 93% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 4.0 4.19205298013 95% => OK
Sentences with positive sentiment : 2.0 4.33554083885 46% => More positive sentences wanted.
Sentences with negative sentiment : 6.0 4.45695364238 135% => 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: 0.549132099004 0.272083759551 202% => OK
Sentence topic coherence: 0.225263579255 0.0996497079465 226% => Sentence topic similarity is high.
Sentence topic coherence SD: 0.111277373346 0.0662205650399 168% => OK
Paragraph topic coherence: 0.365613779375 0.162205337803 225% => OK
Paragraph topic coherence SD: 0.080973279487 0.0443174109184 183% => OK
Essay readability:
automated_readability_index: 12.5 13.3589403974 94% => Automated_readability_index is low.
flesch_reading_ease: 59.64 53.8541721854 111% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 9.9 11.0289183223 90% => OK
coleman_liau_index: 12.01 12.2367328918 98% => OK
dale_chall_readability_score: 7.66 8.42419426049 91% => OK
difficult_words: 62.0 63.6247240618 97% => OK
linsear_write_formula: 10.5 10.7273730684 98% => OK
gunning_fog: 10.0 10.498013245 95% => 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.