The zebra mussel fishes and their disadvantage for new habitats
The article is about zebra mussel, a kind of fish, which move out from their original habitats. The passage argues that this movement as an invasion which cannot be controlled and makes serious problems; the author provides three reasons of support. However, the professor explains this is not a matter of concerning and refutes each of the author's reasons.
First, the author of the reading states that based on the history of zebra mussel's immigration to new habitats, it would be hard to halt them from spreading. The author provides an example of ships which can help zebra mussel fishes to move across the ocean by attaching themselves to the ships's bottom. However, the professor argues that this problem was in the past because of the lack of knowledge which people had. The professor states that now the ships ballast water are checked and replaced with the ocean water which is not contained zebra mussel.
Second, the article claims that zebra mussel fishes are able to dominate its new environment. The author states that the high reproduction rate of mussel zebra and the lack of predators in their new habitats, help them to increase their population. This idea is challenged by the professor. He asserts that the shortage of predators was in the beginning of zebra mussel invasion and after a while most predators find them as a new foods and begin to prey them. The professor mentions the birds as an example which eat a lot of zebra mussels.
Third, the reading posits that the zebra mussel are a reason of the reducing the whole population of other fishes. The professor, on the other hand, opposes this by providing an explanation of the benefits that zebra mussel can have for their environments. The professor puts forth the reason that zebra mussel can provide their environment with nutrients which is beneficial for planktons and other fishes.
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Transition Words or Phrases used:
first, however, second, so, third, while, kind of, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 12.0 10.4613686534 115% => OK
Auxiliary verbs: 5.0 5.04856512141 99% => OK
Conjunction : 7.0 7.30242825607 96% => OK
Relative clauses : 17.0 12.0772626932 141% => OK
Pronoun: 28.0 22.412803532 125% => Less pronouns wanted
Preposition: 42.0 30.3222958057 139% => OK
Nominalization: 8.0 5.01324503311 160% => OK
Performance on vocabulary words:
No of characters: 1556.0 1373.03311258 113% => OK
No of words: 316.0 270.72406181 117% => OK
Chars per words: 4.92405063291 5.08290768461 97% => OK
Fourth root words length: 4.21620550194 4.04702891845 104% => OK
Word Length SD: 2.48969998045 2.5805825403 96% => OK
Unique words: 151.0 145.348785872 104% => OK
Unique words percentage: 0.477848101266 0.540411800872 88% => More unique words wanted or less content wanted.
syllable_count: 468.9 419.366225166 112% => 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: 15.0 8.23620309051 182% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 1.0 2.5761589404 39% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 15.0 13.0662251656 115% => OK
Sentence length: 21.0 21.2450331126 99% => OK
Sentence length SD: 34.169121863 49.2860985944 69% => OK
Chars per sentence: 103.733333333 110.228320801 94% => OK
Words per sentence: 21.0666666667 21.698381199 97% => OK
Discourse Markers: 4.53333333333 7.06452816374 64% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 0.0 4.19205298013 0% => OK
Sentences with positive sentiment : 5.0 4.33554083885 115% => OK
Sentences with negative sentiment : 7.0 4.45695364238 157% => OK
Sentences with neutral sentiment: 3.0 4.27373068433 70% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.337167458215 0.272083759551 124% => OK
Sentence topic coherence: 0.126677130427 0.0996497079465 127% => OK
Sentence topic coherence SD: 0.096761492409 0.0662205650399 146% => OK
Paragraph topic coherence: 0.216073210562 0.162205337803 133% => OK
Paragraph topic coherence SD: 0.0696834622658 0.0443174109184 157% => OK
Essay readability:
automated_readability_index: 12.3 13.3589403974 92% => Automated_readability_index is low.
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: 11.26 12.2367328918 92% => OK
dale_chall_readability_score: 8.18 8.42419426049 97% => OK
difficult_words: 70.0 63.6247240618 110% => 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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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.