A fossil skeleton of a dinosaur called Sinosauropteryx preserved in volcanic ash was discovered in Liaoning China in 1996 Interestingly the fossil included a pattern of fine lines surrounding the skeletal bones Some paleontologists interpret the li

Both the reading  and listening discuss the pattern of the fine lines that were found in the fossilized skeleton of Sinosauropteryx. The author believes that these fine lines are unlikely to be  feathers and provides three possible reasons for that. The lecturer challenges the claims made by the author. She is of  the opinion that none of these reasons are convincing.
    To begin with, the author suggests that these fine lines do not represent a structure of a living dinosaur and they are the product  of the dead Sinosauropteryx's skin decomposition after being buried in the volcanic ash. The lecturer challenges this specific argument by asserting that these fine lines are unlikely to be skin fibers, since they have not seen such  decomposition in all the buried animals in the volcanic ash. And the evidence has shown that most of the animals' skin is well-preserved in the volcanic ash. Therefore, these fine lines are most likely feathers.
     Secondly, the writer argues that these fine lines are remnants of frills that project from the Sinosauropteryx' body. The lecturer, however, refutes this by  explaining that there is a difference in the chemical composition of frills and feathers. Feathers are composed of high percentage of protein and beta carotene, but frills do not contain any beta carotene. Besides, the analysis of the fossilized Sinosauropteryx shows beta carotene as an evidence of having feathers rather than frills.
    Finally, the author posits that the locations of these fine lines indicated that it is not feathers since it locates around the long  es. In contrast, the lecturer cast doubt on this point by pointing out that birds can have feathers not only for flying but also for display functions like peacocks, which have  colorful large feathers on their tails  for mating purpose. Moreover, she mentions that the recent analysis has shown that Sinosauropteryx had colorful white and orange feathers that most probably were used for display. 

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Average: 8 (1 vote)
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Grammar and spelling errors:
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Both the reading  and listening discuss the pattern of the...
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...that these fine lines are unlikely to be  feathers and provides three possible rea...
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Line 1, column 315, Rule ID: WHITESPACE_RULE
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...the claims made by the author. She is of  the opinion that none of these reasons a...
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Line 2, column 1, Rule ID: WHITESPACE_RULE
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...none of these reasons are convincing.     To begin with, the author suggests that ...
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Line 2, column 136, Rule ID: WHITESPACE_RULE
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...living dinosaur and they are the product  of the dead Sinosauropteryxs skin decomp...
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Line 2, column 369, Rule ID: WHITESPACE_RULE
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...in fibers, since they have not seen such  decomposition in all the buried animals ...
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Line 3, column 1, Rule ID: WHITESPACE_RULE
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... fine lines are most likely feathers.      Secondly, the writer argues that these f...
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Line 3, column 161, Rule ID: WHITESPACE_RULE
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.... The lecturer, however, refutes this by  explaining that there is a difference in...
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Line 4, column 1, Rule ID: WHITESPACE_RULE
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...f having feathers rather than frills.     Finally, the author posits that the loca...
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Line 4, column 137, Rule ID: WHITESPACE_RULE
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...eathers since it locates around the long  es. In contrast, the lecturer cast doubt...
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Line 4, column 315, Rule ID: WHITESPACE_RULE
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...play functions like peacocks, which have  colorful large feathers on their tails  ...
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Line 4, column 355, Rule ID: WHITESPACE_RULE
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...  colorful large feathers on their tails  for mating purpose. Moreover, she mentio...
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Transition Words or Phrases used:
also, besides, but, finally, however, if, moreover, second, secondly, so, therefore, well, in contrast, to begin with

Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments

Performance on Part of Speech:
To be verbs : 16.0 10.4613686534 153% => OK
Auxiliary verbs: 1.0 5.04856512141 20% => OK
Conjunction : 9.0 7.30242825607 123% => OK
Relative clauses : 17.0 12.0772626932 141% => OK
Pronoun: 33.0 22.412803532 147% => Less pronouns wanted
Preposition: 38.0 30.3222958057 125% => OK
Nominalization: 7.0 5.01324503311 140% => OK

Performance on vocabulary words:
No of characters: 1684.0 1373.03311258 123% => OK
No of words: 326.0 270.72406181 120% => OK
Chars per words: 5.16564417178 5.08290768461 102% => OK
Fourth root words length: 4.24917287072 4.04702891845 105% => OK
Word Length SD: 2.84838373896 2.5805825403 110% => OK
Unique words: 168.0 145.348785872 116% => OK
Unique words percentage: 0.515337423313 0.540411800872 95% => OK
syllable_count: 522.0 419.366225166 124% => 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: 9.0 8.23620309051 109% => OK
Subordination: 1.0 1.25165562914 80% => OK
Conjunction: 2.0 1.51434878587 132% => OK
Preposition: 2.0 2.5761589404 78% => OK

Performance on sentences:
How many sentences: 15.0 13.0662251656 115% => OK
Sentence length: 21.0 21.2450331126 99% => OK
Sentence length SD: 54.6086684206 49.2860985944 111% => OK
Chars per sentence: 112.266666667 110.228320801 102% => OK
Words per sentence: 21.7333333333 21.698381199 100% => OK
Discourse Markers: 7.8 7.06452816374 110% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 12.0 4.19205298013 286% => Less language errors wanted.
Sentences with positive sentiment : 7.0 4.33554083885 161% => 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: 0.16615513995 0.272083759551 61% => OK
Sentence topic coherence: 0.063445150067 0.0996497079465 64% => OK
Sentence topic coherence SD: 0.0649210265767 0.0662205650399 98% => OK
Paragraph topic coherence: 0.103397780065 0.162205337803 64% => OK
Paragraph topic coherence SD: 0.0527382582816 0.0443174109184 119% => OK

Essay readability:
automated_readability_index: 13.8 13.3589403974 103% => OK
flesch_reading_ease: 50.16 53.8541721854 93% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 11.5 11.0289183223 104% => OK
coleman_liau_index: 12.71 12.2367328918 104% => OK
dale_chall_readability_score: 8.55 8.42419426049 101% => OK
difficult_words: 80.0 63.6247240618 126% => OK
linsear_write_formula: 11.0 10.7273730684 103% => OK
gunning_fog: 10.4 10.498013245 99% => OK
text_standard: 9.0 11.2008830022 80% => OK
What are above readability scores?

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Write the essay in 20 minutes.

Rates: 80.0 out of 100
Scores by essay e-grader: 24.0 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.