In the given set of material, the author describes that the Zebra mussel fish is spreading rapidly in North America which is lethal for other fresh water fish and it give reasons that shows that there are no ways to control its spread. However, the lecturer in the follow-up material cast doubts on those reasons and tells that it is possible to control its spread.
First, the author states that the mussel fish is carried by ships from Europe to North America in ballast water and thus it will soon spread everywhere. In contrast, the professor refutes this point and explains that nowadays there are effective ways to control its spread unlike past. The ships carry ballast water from Europe and empty it in ocean water and this fish gets killed in salt water. Therefore, it is possible to control its spread done by ships.
Second, the reading suggests that the mussel fish dominates the area as they are strong and reproduces rapidly. Also, they do not have predators to eat them. The speaker rebuts this point and tells that the local birds discover the new prey quickly and change their eating habits. These birds eat mussel fish in large amounts and thus do not allow their number to increase to a great extent.
Third, the passage depicts that mussel fish will lead to decline in the population of all the fresh water fishes as they will compete with them for food. Conversely, the professor opposes this argument by narrating that though the fishes that are dependent on planktons will decrease in number. But other fishes that live at the bottom of the habitat will increase in number and so the overall population will not get affected as mentioned in the passage.
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Grammar and spelling errors:
Line 1, column 167, Rule ID: IT_VBZ[1]
Message: Did you mean 'gives'?
Suggestion: gives
...ethal for other fresh water fish and it give reasons that shows that there are no wa...
^^^^
Line 1, column 262, Rule ID: A_INFINITVE[1]
Message: Probably a wrong construction: a/the + infinitive
...ol its spread. However, the lecturer in the follow up material cast doubts on those reason...
^^^^^^^^^^
Line 3, column 361, Rule ID: THIS_NNS[1]
Message: Did you mean 'these'?
Suggestion: these
... Europe and empty it in ocean water and this fish gets killed in salt water. Therefo...
^^^^
Transition Words or Phrases used:
also, but, conversely, first, however, second, so, therefore, third, thus, in contrast, to a great extent
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 9.0 10.4613686534 86% => OK
Auxiliary verbs: 6.0 5.04856512141 119% => OK
Conjunction : 12.0 7.30242825607 164% => OK
Relative clauses : 13.0 12.0772626932 108% => OK
Pronoun: 34.0 22.412803532 152% => OK
Preposition: 35.0 30.3222958057 115% => OK
Nominalization: 3.0 5.01324503311 60% => More nominalization wanted.
Performance on vocabulary words:
No of characters: 1397.0 1373.03311258 102% => OK
No of words: 293.0 270.72406181 108% => OK
Chars per words: 4.76791808874 5.08290768461 94% => OK
Fourth root words length: 4.13729897018 4.04702891845 102% => OK
Word Length SD: 2.16386559103 2.5805825403 84% => OK
Unique words: 150.0 145.348785872 103% => OK
Unique words percentage: 0.511945392491 0.540411800872 95% => OK
syllable_count: 416.7 419.366225166 99% => OK
avg_syllables_per_word: 1.4 1.55342163355 90% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 3.0 3.25607064018 92% => OK
Interrogative: 0.0 0.116997792494 0% => OK
Article: 9.0 8.23620309051 109% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
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: 22.0 21.2450331126 104% => OK
Sentence length SD: 44.7663229296 49.2860985944 91% => OK
Chars per sentence: 107.461538462 110.228320801 97% => OK
Words per sentence: 22.5384615385 21.698381199 104% => OK
Discourse Markers: 8.07692307692 7.06452816374 114% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 3.0 4.19205298013 72% => OK
Sentences with positive sentiment : 6.0 4.33554083885 138% => OK
Sentences with negative sentiment : 3.0 4.45695364238 67% => 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: 0.398270470602 0.272083759551 146% => OK
Sentence topic coherence: 0.134956586328 0.0996497079465 135% => OK
Sentence topic coherence SD: 0.0913862323724 0.0662205650399 138% => OK
Paragraph topic coherence: 0.225186828267 0.162205337803 139% => OK
Paragraph topic coherence SD: 0.0570906990637 0.0443174109184 129% => OK
Essay readability:
automated_readability_index: 12.3 13.3589403974 92% => OK
flesch_reading_ease: 66.07 53.8541721854 123% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 9.5 11.0289183223 86% => OK
coleman_liau_index: 10.68 12.2367328918 87% => OK
dale_chall_readability_score: 7.91 8.42419426049 94% => OK
difficult_words: 59.0 63.6247240618 93% => OK
linsear_write_formula: 13.5 10.7273730684 126% => OK
gunning_fog: 10.8 10.498013245 103% => OK
text_standard: 11.0 11.2008830022 98% => OK
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Rates: 73.3333333333 out of 100
Scores by essay e-grader: 22.0 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.