Both the reading and the lecture are discussing about Agnostids which were a group of marine animals that became extinct about 450 million years ago. While the reading passage provides some theories about how agnostids may have lived, the professor casts doubt on them and believes these theories are weak.
First, the author makes the point that the agnostids may have been free-swimming predators that hunted smaller animals. The speaker, however, demonstrates that this idea could not be true because predators need large and developed eyes that can help them to find preys. However, the agnostids had tiny poor eyes, and they were blind presumably, so they needed another organs which could help them to chase preys that it could not be proven due to fossils remained.
In addition, despite the theory mentioned in the reading passage that the agnostids may have dwelled on the seafloor, the lecture argues that seafloor-animals do not move fast and they are speared in locally area. The agnostids' fossils show that they were multiple and speared in large area. This fact shows that they could move pretty fast that is abnormal for seafloor animals. Therefore, they could not be seafloor dwellers.
Lastly, the writer states that agnostids were parasites possible. The professor calls this idea into a question by saying that the population of parasites is limited because they can kill off the host. But the vast amount of agnostids' fossils demonstrates that the population of agnostids was large; hence, this large population ruins the theory that they could be parasites.
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Grammar and spelling errors:
Line 2, column 246, Rule ID: HELP_TO_FIND[1]
Message: This phrase is probably grammatically incorrect. Write 'help them find' instead.
Suggestion: help them find
... need large and developed eyes that can help them to find preys. However, the agnostids had tiny ...
^^^^^^^^^^^^^^^^^
Transition Words or Phrases used:
but, first, hence, however, lastly, may, so, therefore, well, while, in addition
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 15.0 10.4613686534 143% => OK
Auxiliary verbs: 12.0 5.04856512141 238% => Less auxiliary verb wanted.
Conjunction : 7.0 7.30242825607 96% => OK
Relative clauses : 17.0 12.0772626932 141% => OK
Pronoun: 32.0 22.412803532 143% => Less pronouns wanted
Preposition: 20.0 30.3222958057 66% => OK
Nominalization: 5.0 5.01324503311 100% => OK
Performance on vocabulary words:
No of characters: 1331.0 1373.03311258 97% => OK
No of words: 257.0 270.72406181 95% => More content wanted.
Chars per words: 5.17898832685 5.08290768461 102% => OK
Fourth root words length: 4.00390054096 4.04702891845 99% => OK
Word Length SD: 2.45544098881 2.5805825403 95% => OK
Unique words: 136.0 145.348785872 94% => More unique words wanted.
Unique words percentage: 0.529182879377 0.540411800872 98% => OK
syllable_count: 395.1 419.366225166 94% => 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: 8.0 8.23620309051 97% => 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: 12.0 13.0662251656 92% => OK
Sentence length: 21.0 21.2450331126 99% => OK
Sentence length SD: 50.1237357834 49.2860985944 102% => OK
Chars per sentence: 110.916666667 110.228320801 101% => OK
Words per sentence: 21.4166666667 21.698381199 99% => OK
Discourse Markers: 6.66666666667 7.06452816374 94% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 1.0 4.19205298013 24% => OK
Sentences with positive sentiment : 3.0 4.33554083885 69% => OK
Sentences with negative sentiment : 5.0 4.45695364238 112% => OK
Sentences with neutral sentiment: 4.0 4.27373068433 94% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.0723361021182 0.272083759551 27% => The similarity between the topic and the content is low.
Sentence topic coherence: 0.031046731278 0.0996497079465 31% => Sentence topic similarity is low.
Sentence topic coherence SD: 0.0242640932892 0.0662205650399 37% => Sentences are similar to each other.
Paragraph topic coherence: 0.0455522233358 0.162205337803 28% => Maybe some paragraphs are off the topic.
Paragraph topic coherence SD: 0.0222704460281 0.0443174109184 50% => OK
Essay readability:
automated_readability_index: 13.7 13.3589403974 103% => OK
flesch_reading_ease: 58.62 53.8541721854 109% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 10.3 11.0289183223 93% => OK
coleman_liau_index: 12.76 12.2367328918 104% => OK
dale_chall_readability_score: 8.12 8.42419426049 96% => OK
difficult_words: 56.0 63.6247240618 88% => OK
linsear_write_formula: 10.5 10.7273730684 98% => OK
gunning_fog: 10.4 10.498013245 99% => OK
text_standard: 11.0 11.2008830022 98% => OK
What are above readability scores?
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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.