TPO 26 - The zebra mussel, a freshwater shellfish native to Eastern Europe, has long been spreading out from its original habitats and has now reached parts of North America. There are reasons to believe that this invasion cannot be stopped and that it poses a serious threat to freshwater fish populations in all of North America.
The reading passage and lecture have conflicting opinions about whether the zebra mussel population causes harm to local fish in all of North America. The author strongly postulates that this zebra mussel which originates from Eastern Europe are potentially noxious to the native fish population. On the other hand, the listening adamantly delineates that there are plenty of ways to control its population.
First and foremost, according to the author of the excerpt, their invasion is too powerful to manage because the ships extensively scatter these animals throughout the world, so it is only matters of time to its population prevail in North America. Nonetheless, the lecturer offsets these points by declaring that in the past, people did not know why it became widespread. In addition to this, these shellfish were usually dispersed by sailors who empty their ships in freshwater. However, now if they can empty their ships in ocean water, the zebra mussel population will not be carried on this area again.
Secondly, the professor further asserts that only at the beginning of their introduction, they have not any predators. Nevertheless, after for a while, the birds will notice that the new prey has arrived in their terrestrial. Therefore, they will easily change their habitat to prey on these shellfish.These claims refute the writer's implications about once the zebra mussel spreads out, they will become dominant on this are because their reproduction is high and they have no predators.
The text lastly insists that it may create a decrease in the overall fish population because it eats a substantial amount of plankton which are the main food for fishes. The speaker in the lecture counters these indications by pointing out that even though it is true that it will affect on fishes' numbers which feed mainly plankton, it may have a positive influence on fishes which live near the bottom of streams and lakes. Since they generate muscles which are essential nutrition to those fishes near beaches.
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Grammar and spelling errors:
Line 5, column 303, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: These
...heir habitat to prey on these shellfish.These claims refute the writers implications ...
^^^^^
Line 7, column 282, Rule ID: AFFECT_EFFECT[1]
Message: Did you mean 'effect'?
Suggestion: effect
...hat even though it is true that it will affect on fishes numbers which feed mainly plankt...
^^^^^^^^^
Line 7, column 427, Rule ID: SENTENCE_FRAGMENT[1]
Message: “Since” at the beginning of a sentence requires a 2nd clause. Maybe a comma, question or exclamation mark is missing, or the sentence is incomplete and should be joined with the following sentence.
...e near the bottom of streams and lakes. Since they generate muscles which are essenti...
^^^^^
Transition Words or Phrases used:
first, however, if, lastly, may, nevertheless, nonetheless, second, secondly, so, therefore, while, in addition, it is true, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 11.0 10.4613686534 105% => OK
Auxiliary verbs: 8.0 5.04856512141 158% => OK
Conjunction : 4.0 7.30242825607 55% => More conjunction wanted.
Relative clauses : 14.0 12.0772626932 116% => OK
Pronoun: 41.0 22.412803532 183% => Less pronouns wanted
Preposition: 45.0 30.3222958057 148% => 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: 1702.0 1373.03311258 124% => OK
No of words: 329.0 270.72406181 122% => OK
Chars per words: 5.17325227964 5.08290768461 102% => OK
Fourth root words length: 4.25891501996 4.04702891845 105% => OK
Word Length SD: 2.67195554947 2.5805825403 104% => OK
Unique words: 189.0 145.348785872 130% => OK
Unique words percentage: 0.574468085106 0.540411800872 106% => OK
syllable_count: 523.8 419.366225166 125% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 7.0 3.25607064018 215% => Less pronouns wanted as sentence beginning.
Article: 9.0 8.23620309051 109% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 5.0 2.5761589404 194% => OK
Performance on sentences:
How many sentences: 13.0 13.0662251656 99% => OK
Sentence length: 25.0 21.2450331126 118% => OK
Sentence length SD: 58.8353434012 49.2860985944 119% => OK
Chars per sentence: 130.923076923 110.228320801 119% => OK
Words per sentence: 25.3076923077 21.698381199 117% => OK
Discourse Markers: 10.9230769231 7.06452816374 155% => 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: 0.383245801288 0.272083759551 141% => OK
Sentence topic coherence: 0.121905860959 0.0996497079465 122% => OK
Sentence topic coherence SD: 0.102500792354 0.0662205650399 155% => OK
Paragraph topic coherence: 0.212836205589 0.162205337803 131% => OK
Paragraph topic coherence SD: 0.0737938346686 0.0443174109184 167% => OK
Essay readability:
automated_readability_index: 15.6 13.3589403974 117% => OK
flesch_reading_ease: 46.1 53.8541721854 86% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 13.0 11.0289183223 118% => OK
coleman_liau_index: 13.0 12.2367328918 106% => OK
dale_chall_readability_score: 9.24 8.42419426049 110% => OK
difficult_words: 91.0 63.6247240618 143% => OK
linsear_write_formula: 15.5 10.7273730684 144% => OK
gunning_fog: 12.0 10.498013245 114% => OK
text_standard: 16.0 11.2008830022 143% => OK
What are above readability scores?
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Write the essay in 20 minutes.
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.