The speaker refutes the passage completely. He says that the theory presented in the passage for the declining population of Cedar trees is not true. He challenges the points mentioned in passage by giving following reasons.
First, the professor tells that the beetle only attacks weak tress that are already damaged and are about to die, they are not capable of causing any harm to healthy adult tree. The reason behind this is the Cedar trees have a poisonous chemical which makes them resistant to Beetle insect and thus they are not affected by beetle insect as suggested in the passage.
Second, the lecturer clears the point said in passage that these trees are reducing because of the bear’s assault. He states that the population of trees is indeed reducing all over the northern region that consists of mainland and islands. However, bears are confined only to mainland. Thus, this theory is not able to explain the reason of decreasing population of trees in island as well.
Third, the lecturer further rebuts the passage by saying that the “Frost damage” point is also not valid. He suggests that although, the temperature on the higher elevation is extremely cold but the temperature on the lower elevation is warm and according to the evidences the number of trees dying on the lower elevation is more in reality. Hence, as per the lecture the last point in the passage is also not convincing.
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Discourse Markers used:
['also', 'but', 'first', 'hence', 'however', 'second', 'so', 'third', 'thus', 'well']
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance in Part of Speech:
Nouns: 0.240740740741 0.261695866417 92% => OK
Verbs: 0.181481481481 0.158904122519 114% => OK
Adjectives: 0.0555555555556 0.0723426182421 77% => OK
Adverbs: 0.0777777777778 0.0435111971325 179% => OK
Pronouns: 0.0259259259259 0.0277247811725 94% => OK
Prepositions: 0.137037037037 0.128828473217 106% => OK
Participles: 0.062962962963 0.0370669169778 170% => OK
Conjunctions: 2.52940690787 2.5805825403 98% => OK
Infinitives: 0.0222222222222 0.0208969081088 106% => OK
Particles: 0.0 0.00154638098197 0% => OK
Determiners: 0.133333333333 0.128158765124 104% => OK
Modal_auxiliary: 0.0 0.0158828679856 0% => OK
WH_determiners: 0.00740740740741 0.0114777025283 65% => OK
Vocabulary words and sentences:
No of characters: 1431.0 1645.83664459 87% => OK
No of words: 240.0 271.125827815 89% => More content wanted.
Chars per words: 5.9625 6.08160592843 98% => OK
Fourth root words length: 3.93597934253 4.04852973271 97% => OK
words length more than 5 chars: 0.370833333333 0.374372842146 99% => OK
words length more than 6 chars: 0.266666666667 0.287516216867 93% => OK
words length more than 7 chars: 0.1875 0.187439937562 100% => OK
words length more than 8 chars: 0.116666666667 0.113142543107 103% => OK
Word Length SD: 2.52940690787 2.5805825403 98% => OK
Unique words: 126.0 145.348785872 87% => More unique words wanted.
Unique words percentage: 0.525 0.539623497131 97% => OK
Word variations: 49.3056499922 53.8517498576 92% => OK
How many sentences: 12.0 13.0529801325 92% => OK
Sentence length: 20.0 21.7502111507 92% => OK
Sentence length SD: 55.3405492283 49.3711431718 112% => OK
Chars per sentence: 119.25 132.220823453 90% => OK
Words per sentence: 20.0 21.7502111507 92% => OK
Discourse Markers: 0.833333333333 0.878197800319 95% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 0.0 3.39072847682 0% => OK
Readability: 46.6666666667 50.5018328374 92% => OK
Elegance: 1.54545454545 1.90840788429 81% => OK
Coherence and Cohesion:
Essay topic to essay body coherence: 0.674190676638 0.549887131256 123% => OK
Sentence sentence coherence: 0.134776030968 0.142949733639 94% => OK
Sentence sentence coherence SD: 0.0666044256088 0.0787303798458 85% => OK
Sentence paragraph coherence: 0.671011242967 0.631733273073 106% => OK
Sentence paragraph coherence SD: 0.151147320488 0.139662658121 108% => OK
Sentence topic coherence: 0.346361462036 0.266732575781 130% => OK
Sentence topic coherence SD: 0.112368289973 0.103435571967 109% => OK
Paragraph paragraph coherence: 0.40725525974 0.414875509568 98% => OK
Paragraph paragraph coherence SD: 0.0646458993955 0.0530846634433 122% => OK
Paragraph topic coherence: 0.508625995288 0.40443939384 126% => OK
Paragraph topic coherence SD: 0.0278794699581 0.0528353158467 53% => The ideas may be duplicated in paragraphs.
Task Achievement:
Sentences with positive sentiment : 2.0 4.33554083885 46% => OK
Sentences with negative sentiment : 6.0 4.45695364238 135% => 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: 3.0 3.1766004415 94% => OK
Total topic words: 11.0 10.2958057395 107% => OK
What are sentences with positive/Negative/neutral sentiment?
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Rates: 70.0 out of 100
Scores by essay e-grader: 21.0 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.