The reading contends that three reasons are proposed about the zebra mussel’s threat to freshwater fish populations in all of North America. On the other hand, the lecturer brings about several points that contradict this argument.
First of all, the lecturer questions the idea in the reading passage that the zebra mussel’s invasion might be unstoppable. This is attributed to the fact that it is true that people in the past could not control their invasion because they did not have any knowledge about them at that time. People have found the effective way to eliminate the mussel’s spread is to use ballast water with ocean water. They are not capable to endure themselves against ocean water, and eventually, will die. Thus, the reading passage’s first idea is invalid.
Moreover, the lecturer casts doubt on the idea in the reading passage that they are able to dominate a new habitat once they are carried to the habitat. This is because even they are able to dominate new habitat, it is only in the beginning stage. Once bird find the presence of the mussels, they will shift their habitat to where a lot of mussels are; then, they start to hunt the mussel as their prey. Consequently, the reading passage’s second idea is contradicted.
Last but not least, the lecturer disagrees with the idea in the reading passage that it is possible to decrease population of plankton. Even they negatively impact on the population of plankton, they positively impact on bottom fish. This is because they could create nutrient for bottom fish. While the population of plankton might be declined, the population of species of bottom fish would be inclined. As a result, the reading passage’s final point is refuted.
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Discourse Markers used:
['but', 'consequently', 'first', 'if', 'moreover', 'second', 'so', 'then', 'thus', 'while', 'as a result', 'first of all', 'it is true', 'on the other hand']
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance in Part of Speech:
Nouns: 0.238372093023 0.261695866417 91% => OK
Verbs: 0.148255813953 0.158904122519 93% => OK
Adjectives: 0.078488372093 0.0723426182421 108% => OK
Adverbs: 0.0494186046512 0.0435111971325 114% => OK
Pronouns: 0.0523255813953 0.0277247811725 189% => OK
Prepositions: 0.113372093023 0.128828473217 88% => OK
Participles: 0.0232558139535 0.0370669169778 63% => OK
Conjunctions: 2.74137554978 2.5805825403 106% => OK
Infinitives: 0.031976744186 0.0208969081088 153% => OK
Particles: 0.0 0.00154638098197 0% => OK
Determiners: 0.113372093023 0.128158765124 88% => OK
Modal_auxiliary: 0.0203488372093 0.0158828679856 128% => OK
WH_determiners: 0.00581395348837 0.0114777025283 51% => OK
Vocabulary words and sentences:
No of characters: 1744.0 1645.83664459 106% => OK
No of words: 289.0 271.125827815 107% => OK
Chars per words: 6.03460207612 6.08160592843 99% => OK
Fourth root words length: 4.12310562562 4.04852973271 102% => OK
words length more than 5 chars: 0.339100346021 0.374372842146 91% => OK
words length more than 6 chars: 0.273356401384 0.287516216867 95% => OK
words length more than 7 chars: 0.186851211073 0.187439937562 100% => OK
words length more than 8 chars: 0.114186851211 0.113142543107 101% => OK
Word Length SD: 2.74137554978 2.5805825403 106% => OK
Unique words: 144.0 145.348785872 99% => OK
Unique words percentage: 0.498269896194 0.539623497131 92% => More unique words wanted or less content wanted.
Word variations: 48.8705999574 53.8517498576 91% => OK
How many sentences: 16.0 13.0529801325 123% => OK
Sentence length: 18.0625 21.7502111507 83% => OK
Sentence length SD: 35.2861073937 49.3711431718 71% => OK
Chars per sentence: 109.0 132.220823453 82% => OK
Words per sentence: 18.0625 21.7502111507 83% => OK
Discourse Markers: 0.875 0.878197800319 100% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 0.0 3.39072847682 0% => OK
Readability: 45.3981401384 50.5018328374 90% => OK
Elegance: 1.5 1.90840788429 79% => OK
Coherence and Cohesion:
Essay topic to essay body coherence: 0.640134885387 0.549887131256 116% => OK
Sentence sentence coherence: 0.155723609872 0.142949733639 109% => OK
Sentence sentence coherence SD: 0.101663846009 0.0787303798458 129% => OK
Sentence paragraph coherence: 0.567900620864 0.631733273073 90% => OK
Sentence paragraph coherence SD: 0.155255372328 0.139662658121 111% => OK
Sentence topic coherence: 0.272849172996 0.266732575781 102% => OK
Sentence topic coherence SD: 0.142107564453 0.103435571967 137% => OK
Paragraph paragraph coherence: 0.453686991446 0.414875509568 109% => OK
Paragraph paragraph coherence SD: 0.0461983995962 0.0530846634433 87% => OK
Paragraph topic coherence: 0.481412111789 0.40443939384 119% => OK
Paragraph topic coherence SD: 0.0437866146841 0.0528353158467 83% => OK
Task Achievement:
Sentences with positive sentiment : 4.0 4.33554083885 92% => OK
Sentences with negative sentiment : 8.0 4.45695364238 179% => OK
Sentences with neutral sentiment: 4.0 4.26048565121 94% => OK
Positive topic words: 2.0 3.49668874172 57% => OK
Negative topic words: 6.0 3.62251655629 166% => OK
Neutral topic words: 4.0 3.1766004415 126% => OK
Total topic words: 12.0 10.2958057395 117% => OK
What are sentences with positive/Negative/neutral sentiment?
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Rates: 86.6666666667 out of 100
Scores by essay e-grader: 26.0 Out of 30
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Note: This is not the final score. 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.