The reading and the lecture are both about the marine mammals Steller's sea cow, which once lived in the coast of Siberia. The article states that these animals became extinct in the year 1768 and provides three reasons for support. However, the lecturer refutes by saying none of the claims are convincing.
First, the article conveys that sea cows may have been extinct because of overhunting by humans. On the other hand, the professor refutes this point by saying that sea cows are massive creatures with 9mts long and 10 tons of weight. Furthermore, the population in Siberia is less than the population of the sea cow. Hence there is no possibility of extinction of sea cows by humans.
Second, the text explains that sea cows may have disappeared because of the ecological disturbances of the major food plant kelp. Nevertheless, the lecturer opposes this point by saying that if, the major food source kelp was disrupted then other animals like whales could also be affected but the population of whales is not degraded.
Third, the article posits that because of the European fur traders the population of sea cows may be diminished. However, the professor says that the sea cow population is less when the traders arrived the European. Consequently, there is no chance of extinction of sea cows by traders.
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Grammar and spelling errors:
Line 3, column 317, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: Hence,
...ess than the population of the sea cow. Hence there is no possibility of extinction o...
^^^^^
Line 5, column 337, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...e population of whales is not degraded. Third, the article posits that because o...
^^^^^
Transition Words or Phrases used:
also, but, consequently, first, furthermore, hence, however, if, may, nevertheless, second, so, then, third, 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: 4.0 5.04856512141 79% => OK
Conjunction : 4.0 7.30242825607 55% => More conjunction wanted.
Relative clauses : 9.0 12.0772626932 75% => More relative clauses wanted.
Pronoun: 10.0 22.412803532 45% => OK
Preposition: 27.0 30.3222958057 89% => OK
Nominalization: 7.0 5.01324503311 140% => OK
Performance on vocabulary words:
No of characters: 1103.0 1373.03311258 80% => OK
No of words: 222.0 270.72406181 82% => More content wanted.
Chars per words: 4.96846846847 5.08290768461 98% => OK
Fourth root words length: 3.8600083453 4.04702891845 95% => OK
Word Length SD: 2.58667224552 2.5805825403 100% => OK
Unique words: 117.0 145.348785872 80% => More unique words wanted.
Unique words percentage: 0.527027027027 0.540411800872 98% => OK
syllable_count: 333.9 419.366225166 80% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 0.0 3.25607064018 0% => OK
Article: 11.0 8.23620309051 134% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 1.0 2.5761589404 39% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 12.0 13.0662251656 92% => OK
Sentence length: 18.0 21.2450331126 85% => The Avg. Sentence Length is relatively short.
Sentence length SD: 36.4953383629 49.2860985944 74% => OK
Chars per sentence: 91.9166666667 110.228320801 83% => OK
Words per sentence: 18.5 21.698381199 85% => OK
Discourse Markers: 10.5 7.06452816374 149% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 2.0 4.19205298013 48% => OK
Sentences with positive sentiment : 4.0 4.33554083885 92% => OK
Sentences with negative sentiment : 3.0 4.45695364238 67% => OK
Sentences with neutral sentiment: 5.0 4.27373068433 117% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.482090390244 0.272083759551 177% => OK
Sentence topic coherence: 0.206291938715 0.0996497079465 207% => Sentence topic similarity is high.
Sentence topic coherence SD: 0.10060912107 0.0662205650399 152% => OK
Paragraph topic coherence: 0.299897218412 0.162205337803 185% => OK
Paragraph topic coherence SD: 0.0873906797131 0.0443174109184 197% => OK
Essay readability:
automated_readability_index: 11.2 13.3589403974 84% => Automated_readability_index is low.
flesch_reading_ease: 61.67 53.8541721854 115% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 9.1 11.0289183223 83% => OK
coleman_liau_index: 11.55 12.2367328918 94% => OK
dale_chall_readability_score: 7.8 8.42419426049 93% => OK
difficult_words: 46.0 63.6247240618 72% => More difficult words wanted.
linsear_write_formula: 7.5 10.7273730684 70% => OK
gunning_fog: 9.2 10.498013245 88% => OK
text_standard: 9.0 11.2008830022 80% => OK
What are above readability scores?
---------------------
Rates: 75.0 out of 100
Scores by essay e-grader: 22.5 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.