the zebra mussel
Both the author and the lecturer discuss whether the zebra mussel invasion to North America causes a serious threat to freshwater fish populations. The passage claims that the zebra mussel spreading poses a serious threat to freshwater fish populations in the whole of Europe. The professor, on the other hand, reject what mentioned in the reading through citing three reasons.
First, both the author and the professor talk about unstoppable invasion. According to the passage, the zebra mussel invasion cannot be stopped. For example, they spread by human transportation activities to the whole of Europe. The lecturer, nevertheless, rejects the author's view and illustrates the idea that people did not have enough knowledge in the past but now they can stop transferring fishes to new locations. They can replace ballast water with seawater, which is fatal for this creature, in halfway of the journey, so they get rid of the zebra mussels.
Second of all, both the reading and the lecture discuss the domination of the zebra mussel in a new habitat. The author argues that these species are very compatible with different environment condition, so they have a high rate of reproduction. However, the professor refutes this, saying that it is true only in the beginning of immigration. For example, when this species entered to a new place birds started to change their food habits and ate the zebra mussels, so they have predators to prevent their domination.
Eventually, the passage and the lecture address the subject of the change of overall fish population. The passage goes on to mention that overall population of freshwater fish reduces where the zebra mussels become dominate. In contrast, the professor points out that not only does not the zebra mussel have negative impact on other aquatics but also it has positive effect on bottom-feeding fishes. The zebra mussel provide bottom-feeding fishes with nutrients that increase their population.
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Transition Words or Phrases used:
also, but, first, however, if, nevertheless, second, so, for example, in contrast, it is true, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 4.0 10.4613686534 38% => More to be verbs wanted.
Auxiliary verbs: 3.0 5.04856512141 59% => OK
Conjunction : 8.0 7.30242825607 110% => OK
Relative clauses : 10.0 12.0772626932 83% => OK
Pronoun: 22.0 22.412803532 98% => OK
Preposition: 40.0 30.3222958057 132% => OK
Nominalization: 11.0 5.01324503311 219% => Less nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1654.0 1373.03311258 120% => OK
No of words: 315.0 270.72406181 116% => OK
Chars per words: 5.25079365079 5.08290768461 103% => OK
Fourth root words length: 4.21286593061 4.04702891845 104% => OK
Word Length SD: 2.75724109081 2.5805825403 107% => OK
Unique words: 168.0 145.348785872 116% => OK
Unique words percentage: 0.533333333333 0.540411800872 99% => OK
syllable_count: 503.1 419.366225166 120% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 3.25607064018 61% => OK
Article: 10.0 8.23620309051 121% => OK
Subordination: 1.0 1.25165562914 80% => OK
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 4.0 2.5761589404 155% => OK
Performance on sentences:
How many sentences: 16.0 13.0662251656 122% => OK
Sentence length: 19.0 21.2450331126 89% => OK
Sentence length SD: 35.9821461804 49.2860985944 73% => OK
Chars per sentence: 103.375 110.228320801 94% => OK
Words per sentence: 19.6875 21.698381199 91% => 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 : 5.0 4.33554083885 115% => OK
Sentences with negative sentiment : 9.0 4.45695364238 202% => Less negative sentences wanted.
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: 0.372176861585 0.272083759551 137% => OK
Sentence topic coherence: 0.141501408503 0.0996497079465 142% => OK
Sentence topic coherence SD: 0.144281509676 0.0662205650399 218% => The coherence between sentences is low.
Paragraph topic coherence: 0.247361828619 0.162205337803 152% => OK
Paragraph topic coherence SD: 0.0805128307263 0.0443174109184 182% => OK
Essay readability:
automated_readability_index: 13.1 13.3589403974 98% => OK
flesch_reading_ease: 52.19 53.8541721854 97% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 10.7 11.0289183223 97% => OK
coleman_liau_index: 13.17 12.2367328918 108% => OK
dale_chall_readability_score: 8.89 8.42419426049 106% => OK
difficult_words: 86.0 63.6247240618 135% => OK
linsear_write_formula: 7.0 10.7273730684 65% => OK
gunning_fog: 9.6 10.498013245 91% => OK
text_standard: 9.0 11.2008830022 80% => OK
What are above readability scores?
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Rates: 80.0 out of 100
Scores by essay e-grader: 24.0 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.