spreading of zebra mussels from europe to america
Both the reading and the lecture discuss the spreading of zebra mussel from Eastern Europe to North America. The reading states that they bring uncontrollable invasion and serious danger to freshwater fish population by giving three supportive reasons. The professor denies this idea and rejects all the reasons in the reading.
In the first place, the passage claims that it is possible to have unstoppable invasion of the zebra mussel by seeing the history of it. The professor says that this is a true fact but in the past. These days, the people gain good knowledge to control spreading of zebra mussel. In fact, mussels can tolerate the salt of ocean water, and they will die, so the concerning of spreading of mussels by attaching to ship's bottom and going through new canals and following happen is not real.
Secondly, according to passage, mussels can be dominated by entering to a new habitat. The professor disagrees this by stating that it can be true but just for a short time because after a while some birds will feed of zebra mussels and control the population of them.
Thirdly, the reading says that overall fish population can be threatened by zebra mussels in the place where zebra mussels are the dominant creature because they eat the same food eaten by freshwater fish. The professor refutes this by claiming that the mussels bring positive effects to fish along with such a negative effect. They bring water fish a lot nutrient by which the freshwater can increase their population.
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Transition Words or Phrases used:
but, first, second, secondly, so, third, thirdly, while, in fact, in the first place
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 7.0 10.4613686534 67% => OK
Auxiliary verbs: 7.0 5.04856512141 139% => OK
Conjunction : 9.0 7.30242825607 123% => OK
Relative clauses : 8.0 12.0772626932 66% => More relative clauses wanted.
Pronoun: 20.0 22.412803532 89% => OK
Preposition: 37.0 30.3222958057 122% => OK
Nominalization: 4.0 5.01324503311 80% => OK
Performance on vocabulary words:
No of characters: 1256.0 1373.03311258 91% => OK
No of words: 256.0 270.72406181 95% => More content wanted.
Chars per words: 4.90625 5.08290768461 97% => OK
Fourth root words length: 4.0 4.04702891845 99% => OK
Word Length SD: 2.48432586429 2.5805825403 96% => OK
Unique words: 138.0 145.348785872 95% => More unique words wanted.
Unique words percentage: 0.5390625 0.540411800872 100% => OK
syllable_count: 377.1 419.366225166 90% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 3.25607064018 61% => OK
Article: 8.0 8.23620309051 97% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 3.0 2.5761589404 116% => OK
Performance on sentences:
How many sentences: 12.0 13.0662251656 92% => OK
Sentence length: 21.0 21.2450331126 99% => OK
Sentence length SD: 48.7618931362 49.2860985944 99% => OK
Chars per sentence: 104.666666667 110.228320801 95% => OK
Words per sentence: 21.3333333333 21.698381199 98% => OK
Discourse Markers: 7.0 7.06452816374 99% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 0.0 4.19205298013 0% => OK
Sentences with positive sentiment : 4.0 4.33554083885 92% => OK
Sentences with negative sentiment : 6.0 4.45695364238 135% => OK
Sentences with neutral sentiment: 2.0 4.27373068433 47% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.33730724749 0.272083759551 124% => OK
Sentence topic coherence: 0.124158181951 0.0996497079465 125% => OK
Sentence topic coherence SD: 0.15680284931 0.0662205650399 237% => The coherence between sentences is low.
Paragraph topic coherence: 0.197399751409 0.162205337803 122% => OK
Paragraph topic coherence SD: 0.078219955649 0.0443174109184 176% => OK
Essay readability:
automated_readability_index: 12.4 13.3589403974 93% => 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: 11.2 12.2367328918 92% => OK
dale_chall_readability_score: 8.01 8.42419426049 95% => OK
difficult_words: 54.0 63.6247240618 85% => More difficult words wanted.
linsear_write_formula: 8.0 10.7273730684 75% => 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: 75.0 out of 100
Scores by essay e-grader: 22.5 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.