The reading passage states three reasons that the invasion of zebra mussel is unstoppable, whereas the lecture points out that the spread of zebra mussel is able to control.
Firstly, the author insists that the fishes used to use ship to help them to spread. They attached themselves to ships' bottom or can survive in "ballast water", so the previous example shows that their invasion cannot be stopped. The professor, however, argues that the reason why their spread success before is that individuals at that time are deficient in knowledge and currently there is efficient way to stop the invasion. People use the fresh water in Europe to balance the cargo and then empty the water in North American waterway. Since the waterway is full of ocean water, the zebra mussel cannot survive.
Secondly, the reading says that the fishes will suit the environment quickly for they possess a high rate of reproduction and no natural predator, therefore, they will dominate their new habitats. In contrast, the speaker reckons that the birds in the fishes' habitat will regard them as new source of food. In this way, the birds will eat a large amount of zebra mussel and they are not able to dominate these regions.
Lastly, the reading states that the shellfishes are plankton eater which will compete food with others fish, as a result, the overall fish population will decrease significantly. On the contrary, the professor deems that it is true them may bring negative impacts, nevertheless, they can also have some positive impact to some fishes. Zebra mussel can generate nutrient which is conducive to bottom fish, thus bottom fish will thrive.
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Grammar and spelling errors:
Line 5, column 253, Rule ID: POSSESIVE_APOSTROPHE[1]
Message: Possible typo: apostrophe is missing. Did you mean 'fishes'' or 'fish's'?
Suggestion: fishes'; fish's
...e speaker reckons that the birds in the fishes habitat will regard them as new source ...
^^^^^^
Transition Words or Phrases used:
also, first, firstly, however, if, lastly, may, nevertheless, second, secondly, so, then, therefore, thus, whereas, in contrast, as a result, it is true, on the contrary
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 11.0 10.4613686534 105% => OK
Auxiliary verbs: 13.0 5.04856512141 257% => Less auxiliary verb wanted.
Conjunction : 5.0 7.30242825607 68% => OK
Relative clauses : 13.0 12.0772626932 108% => OK
Pronoun: 26.0 22.412803532 116% => OK
Preposition: 29.0 30.3222958057 96% => OK
Nominalization: 4.0 5.01324503311 80% => OK
Performance on vocabulary words:
No of characters: 1390.0 1373.03311258 101% => OK
No of words: 275.0 270.72406181 102% => OK
Chars per words: 5.05454545455 5.08290768461 99% => OK
Fourth root words length: 4.07223819929 4.04702891845 101% => OK
Word Length SD: 2.51031854026 2.5805825403 97% => OK
Unique words: 161.0 145.348785872 111% => OK
Unique words percentage: 0.585454545455 0.540411800872 108% => OK
syllable_count: 421.2 419.366225166 100% => 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: 10.0 8.23620309051 121% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 4.0 2.5761589404 155% => OK
Performance on sentences:
How many sentences: 12.0 13.0662251656 92% => OK
Sentence length: 22.0 21.2450331126 104% => OK
Sentence length SD: 41.7894025641 49.2860985944 85% => OK
Chars per sentence: 115.833333333 110.228320801 105% => OK
Words per sentence: 22.9166666667 21.698381199 106% => OK
Discourse Markers: 14.0833333333 7.06452816374 199% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 1.0 4.19205298013 24% => OK
Sentences with positive sentiment : 6.0 4.33554083885 138% => OK
Sentences with negative sentiment : 2.0 4.45695364238 45% => More negative sentences wanted.
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: 0.414655060959 0.272083759551 152% => OK
Sentence topic coherence: 0.139020787555 0.0996497079465 140% => OK
Sentence topic coherence SD: 0.0683787732708 0.0662205650399 103% => OK
Paragraph topic coherence: 0.240254790327 0.162205337803 148% => OK
Paragraph topic coherence SD: 0.039082662657 0.0443174109184 88% => OK
Essay readability:
automated_readability_index: 13.8 13.3589403974 103% => OK
flesch_reading_ease: 57.61 53.8541721854 107% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 10.7 11.0289183223 97% => OK
coleman_liau_index: 12.31 12.2367328918 101% => OK
dale_chall_readability_score: 9.09 8.42419426049 108% => OK
difficult_words: 76.0 63.6247240618 119% => OK
linsear_write_formula: 13.5 10.7273730684 126% => OK
gunning_fog: 10.8 10.498013245 103% => OK
text_standard: 14.0 11.2008830022 125% => OK
What are above readability scores?
---------------------
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.