The lecturer raises three arguments to cast doubt on the passage's suggestions that blood vessel remains, red blood cells and collagen matrix have been discovered in the fossil of T.rex.
To begin with, the passage claims that the soft substance in the bone channels are remains of blood vessels. But the professor argues that, since bacteria tend to live inside bones after the death of animals, the soft material is likely to be the traces left by microorganisms.
Secondly, the spherical structure discovered in the T. rex's leg bone have also been discovered in fossils of other species that were too primitive to develop red blood cells. So, the professor asserts that it could be some reddish materials, instead of red blood cells as stated in the passage.
Last, although dinosaurs like T. rex do have had collagen in their tissue, typically it cannot be preserved in fossils for more than 100 thousand years. So the professor is skeptical about the discovery of collagen matrix found in this 70-million-year-old leg bone, and he believes the protein might come from researchers' hands.
In conclusion, based on the reasons and analysis given in the lecture, the three discoveries mentioned in the reading passage concerning the fossil of a T. rex's leg bone are not that plausible.
Transition Words or Phrases used:
also, but, second, secondly, so, in conclusion, to begin with
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 10.0 10.4613686534 96% => OK
Auxiliary verbs: 4.0 5.04856512141 79% => OK
Conjunction : 3.0 7.30242825607 41% => More conjunction wanted.
Relative clauses : 5.0 12.0772626932 41% => More relative clauses wanted.
Pronoun: 10.0 22.412803532 45% => OK
Preposition: 32.0 30.3222958057 106% => OK
Nominalization: 1.0 5.01324503311 20% => More nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1013.0 1373.03311258 74% => OK
No of words: 200.0 270.72406181 74% => More content wanted.
Chars per words: 5.065 5.08290768461 100% => OK
Fourth root words length: 3.76060309309 4.04702891845 93% => OK
Word Length SD: 2.85390521917 2.5805825403 111% => OK
Unique words: 127.0 145.348785872 87% => More unique words wanted.
Unique words percentage: 0.635 0.540411800872 118% => OK
syllable_count: 306.0 419.366225166 73% => 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
Interrogative: 0.0 0.116997792494 0% => OK
Article: 6.0 8.23620309051 73% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 2.0 1.51434878587 132% => OK
Preposition: 5.0 2.5761589404 194% => OK
Performance on sentences:
How many sentences: 11.0 13.0662251656 84% => 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: 18.0 21.2450331126 85% => The Avg. Sentence Length is relatively short.
Sentence length SD: 47.1531704937 49.2860985944 96% => OK
Chars per sentence: 92.0909090909 110.228320801 84% => OK
Words per sentence: 18.1818181818 21.698381199 84% => OK
Discourse Markers: 5.54545454545 7.06452816374 78% => OK
Paragraphs: 5.0 4.09492273731 122% => OK
Language errors: 0.0 4.19205298013 0% => OK
Sentences with positive sentiment : 1.0 4.33554083885 23% => More positive sentences wanted.
Sentences with negative sentiment : 2.0 4.45695364238 45% => More negative sentences wanted.
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: 0.39499131424 0.272083759551 145% => OK
Sentence topic coherence: 0.129980757875 0.0996497079465 130% => OK
Sentence topic coherence SD: 0.0927918130391 0.0662205650399 140% => OK
Paragraph topic coherence: 0.179307530929 0.162205337803 111% => OK
Paragraph topic coherence SD: 0.0824360003796 0.0443174109184 186% => OK
Essay readability:
automated_readability_index: 11.5 13.3589403974 86% => 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: 11.83 12.2367328918 97% => OK
dale_chall_readability_score: 8.48 8.42419426049 101% => OK
difficult_words: 50.0 63.6247240618 79% => More difficult words wanted.
linsear_write_formula: 8.0 10.7273730684 75% => OK
gunning_fog: 9.2 10.498013245 88% => OK
text_standard: 12.0 11.2008830022 107% => OK
What are above readability scores?
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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.