The reading and the lecture are both about zebra mussels invasion in North America . The reading states that stopping the invasion of the zebra mussels is impossible. The lecturer cast doubt about the points made in the reading by saying that zebra mussels could not have been controlled in the past because we lake knowledge of ways to stop the invasion. The lecturer provides three reasons.
Firstly, the reading states that the zebra mussels spread was made possible by the ships that traveled from Europe to North America. Because the mussels can attach themselves to the ship’s bottom or can survive in the ballast water of the ship. The lecturer suggests that the ships can easily get rid of the zebra mussels by emptying the water and replacing it with new salty water from the ocean that will help kill the mussels before arriving to the destination.
Secondly, the reading states that zebra mussels, once carried to the new habitat, they become dominants since they do not have predators. In addition, species with no predators are likely to dominate their habitat. The lecturer disputes this point. He mentions that they might not have predators at the beginning but sooner other species will notice them and eat them. Furthermore, he gives the example of birds who started to eat the zebra mussels when they noticed their existence.
Lastly, the reading suggests that zebra mussels are likely to cause a decline in the overall fish population since they are plankton eaters like fish. As a result they would compete for food. The lecturer refutes this point by says that zebra mussel does not only have a negative effect on the fish they compete for food with, but they can also have a positive effect. He mentions that zebra mussels can generate nutriments that can be eaten by fish. As a results zebra mussels can live in a harmony with other fish without harming their population.
In conclusion, although the reading and the lecture are both about the zebra mussels invasion, the three main points made in the reading effectively challenged the lecturer.
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Grammar and spelling errors:
Line 1, column 83, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Don't put a space before the full stop
Suggestion: .
... zebra mussels invasion in North America . The reading states that stopping the in...
^^
Line 1, column 168, Rule ID: ENGLISH_WORD_REPEAT_BEGINNING_RULE
Message: Three successive sentences begin with the same word. Reword the sentence or use a thesaurus to find a synonym.
...ion of the zebra mussels is impossible. The lecturer cast doubt about the points ma...
^^^
Line 1, column 357, Rule ID: ENGLISH_WORD_REPEAT_BEGINNING_RULE
Message: Three successive sentences begin with the same word. Reword the sentence or use a thesaurus to find a synonym.
...knowledge of ways to stop the invasion. The lecturer provides three reasons. Fir...
^^^
Line 7, column 452, Rule ID: SENTENCE_FRAGMENT[1]
Message: “As” 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 nutriments that can be eaten by fish. As a results zebra mussels can live in a h...
^^
Line 7, column 457, Rule ID: POSSESIVE_APOSTROPHE[1]
Message: Possible typo: apostrophe is missing. Did you mean 'results'' or 'result's'?
Suggestion: results'; result's
...riments that can be eaten by fish. As a results zebra mussels can live in a harmony wit...
^^^^^^^
Transition Words or Phrases used:
also, but, first, firstly, furthermore, lastly, second, secondly, so, in addition, in conclusion, as a result
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 9.0 10.4613686534 86% => OK
Auxiliary verbs: 12.0 5.04856512141 238% => Less auxiliary verb wanted.
Conjunction : 7.0 7.30242825607 96% => OK
Relative clauses : 14.0 12.0772626932 116% => OK
Pronoun: 33.0 22.412803532 147% => Less pronouns wanted
Preposition: 44.0 30.3222958057 145% => OK
Nominalization: 5.0 5.01324503311 100% => OK
Performance on vocabulary words:
No of characters: 1738.0 1373.03311258 127% => OK
No of words: 350.0 270.72406181 129% => OK
Chars per words: 4.96571428571 5.08290768461 98% => OK
Fourth root words length: 4.32530772707 4.04702891845 107% => OK
Word Length SD: 2.34339100457 2.5805825403 91% => OK
Unique words: 171.0 145.348785872 118% => OK
Unique words percentage: 0.488571428571 0.540411800872 90% => More unique words wanted or less content wanted.
syllable_count: 531.9 419.366225166 127% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 4.0 3.25607064018 123% => OK
Article: 11.0 8.23620309051 134% => OK
Subordination: 4.0 1.25165562914 320% => Less adverbial clause wanted.
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 2.0 2.5761589404 78% => OK
Performance on sentences:
How many sentences: 18.0 13.0662251656 138% => OK
Sentence length: 19.0 21.2450331126 89% => OK
Sentence length SD: 52.1232217626 49.2860985944 106% => OK
Chars per sentence: 96.5555555556 110.228320801 88% => OK
Words per sentence: 19.4444444444 21.698381199 90% => OK
Discourse Markers: 6.05555555556 7.06452816374 86% => OK
Paragraphs: 5.0 4.09492273731 122% => OK
Language errors: 5.0 4.19205298013 119% => OK
Sentences with positive sentiment : 5.0 4.33554083885 115% => OK
Sentences with negative sentiment : 5.0 4.45695364238 112% => OK
Sentences with neutral sentiment: 8.0 4.27373068433 187% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.32912829766 0.272083759551 121% => OK
Sentence topic coherence: 0.111627188407 0.0996497079465 112% => OK
Sentence topic coherence SD: 0.119521113041 0.0662205650399 180% => OK
Paragraph topic coherence: 0.179808062608 0.162205337803 111% => OK
Paragraph topic coherence SD: 0.100704898199 0.0443174109184 227% => More connections among paragraphs wanted.
Essay readability:
automated_readability_index: 11.7 13.3589403974 88% => Automated_readability_index is low.
flesch_reading_ease: 60.65 53.8541721854 113% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 9.5 11.0289183223 86% => OK
coleman_liau_index: 11.55 12.2367328918 94% => OK
dale_chall_readability_score: 7.96 8.42419426049 94% => OK
difficult_words: 75.0 63.6247240618 118% => OK
linsear_write_formula: 8.0 10.7273730684 75% => OK
gunning_fog: 9.6 10.498013245 91% => OK
text_standard: 8.0 11.2008830022 71% => OK
What are above readability scores?
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Write the essay in 20 minutes.
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.