are Sinosauropteryx fossils feather remnants or not
While in the reading part the author presents some evidences, which prove that lines found on Sinosauropteryx fossils cannot be the remanence of feathers, the lecturer is strongly confident that they did.
First of all, the author mentions that the fine lines maybe do not represent remnance of functional structures, and they can be parts of animal skin. Meanwhile, the lecturer highlights that these kind of marks can be left only by functional structures. Moreover, she points out that it is a common feature in other fossils found.
The second evidence that the author emphasizes is the fact that scientists cannot say exactly which part of the body the lines belong. They can be signs of the frills of the animal. The lecturer argues on this idea with mentioning that frills and feathers have different chemical composition. Whereas, the lines do contain beta-carotene which is a special part of feathers.
The author's last argument is the functional uselessness of feathers of this construction. The lecturer contradicts this point by pointing out that feathers could be used to allure a pair, which means it had a display function. This is likely because the feathers were colorful orange and white.
To sum up the passage, the author mentions that the fine lines cannot be remnance of feathers and even presents evidences to prove this point of view. In turn, the lecturer highlights some reasonable features which prove that the animal did have feathers.
| Post date | Users | Rates | Link to Content |
|---|---|---|---|
| 2019-02-19 | Gayane Tadevosyan | 3 | view |
| 2019-02-19 | Gayane Tadevosyan | 3 | view |
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Grammar and spelling errors:
Line 2, column 190, Rule ID: THIS_NNS[2]
Message: Did you mean 'this kind' or 'these kinds'?
Suggestion: this kind; these kinds
...Meanwhile, the lecturer highlights that these kind of marks can be left only by functional...
^^^^^^^^^^
Line 3, column 293, Rule ID: SENTENCE_FRAGMENT[1]
Message: “Whereas” at the beginning of a sentence requires a 2nd clause. Maybe a comma, question or exclamation mark is missing, or the sentence is incomplete and should be joined with the following sentence.
...rs have different chemical composition. Whereas, the lines do contain beta-carotene whi...
^^^^^^^
Transition Words or Phrases used:
first, if, may, moreover, second, so, whereas, while, kind of, first of all, to sum up
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 13.0 10.4613686534 124% => OK
Auxiliary verbs: 7.0 5.04856512141 139% => OK
Conjunction : 4.0 7.30242825607 55% => More conjunction wanted.
Relative clauses : 16.0 12.0772626932 132% => OK
Pronoun: 23.0 22.412803532 103% => OK
Preposition: 27.0 30.3222958057 89% => OK
Nominalization: 8.0 5.01324503311 160% => OK
Performance on vocabulary words:
No of characters: 1231.0 1373.03311258 90% => OK
No of words: 241.0 270.72406181 89% => More content wanted.
Chars per words: 5.10788381743 5.08290768461 100% => OK
Fourth root words length: 3.94007293032 4.04702891845 97% => OK
Word Length SD: 2.71249354895 2.5805825403 105% => OK
Unique words: 123.0 145.348785872 85% => More unique words wanted.
Unique words percentage: 0.510373443983 0.540411800872 94% => More unique words wanted or less content wanted.
syllable_count: 364.5 419.366225166 87% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 3.0 3.25607064018 92% => OK
Article: 10.0 8.23620309051 121% => OK
Subordination: 1.0 1.25165562914 80% => OK
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 2.0 2.5761589404 78% => OK
Performance on sentences:
How many sentences: 13.0 13.0662251656 99% => OK
Sentence length: 18.0 21.2450331126 85% => The Avg. Sentence Length is relatively short.
Sentence length SD: 40.8832947178 49.2860985944 83% => OK
Chars per sentence: 94.6923076923 110.228320801 86% => OK
Words per sentence: 18.5384615385 21.698381199 85% => OK
Discourse Markers: 6.61538461538 7.06452816374 94% => OK
Paragraphs: 5.0 4.09492273731 122% => 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: 6.0 4.27373068433 140% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.0738655118126 0.272083759551 27% => The similarity between the topic and the content is low.
Sentence topic coherence: 0.0277647322103 0.0996497079465 28% => Sentence topic similarity is low.
Sentence topic coherence SD: 0.0668903916622 0.0662205650399 101% => OK
Paragraph topic coherence: 0.0559994376474 0.162205337803 35% => Maybe some paragraphs are off the topic.
Paragraph topic coherence SD: 0.0850458198373 0.0443174109184 192% => OK
Essay readability:
automated_readability_index: 11.9 13.3589403974 89% => Automated_readability_index is low.
flesch_reading_ease: 61.67 53.8541721854 115% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 9.1 11.0289183223 83% => OK
coleman_liau_index: 12.36 12.2367328918 101% => OK
dale_chall_readability_score: 7.94 8.42419426049 94% => OK
difficult_words: 52.0 63.6247240618 82% => More difficult words wanted.
linsear_write_formula: 10.5 10.7273730684 98% => OK
gunning_fog: 9.2 10.498013245 88% => OK
text_standard: 12.0 11.2008830022 107% => OK
What are above readability scores?
---------------------
It is not exactly right on the topic in the view of e-grader. Maybe there is a wrong essay topic.
Rates: 3.33333333333 out of 100
Scores by essay e-grader: 1.0 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.