The reading passage and listening material both are talking about the reduction of the yellow cedar population in northwestern North America. And the reading suggests three possible reasons for this reduction. While the lecturer claims that these reasons are not advocating and he argues against each of them.
To begin with, the writer makes the point that, insects especially the cedar dark beetle are responsible. These insects attack cedar trees and their larvae eat the wood. In contrast, the professor holds a different point of view, he states that cedar trees are one of the most resistance trees against the beetles. Also, cedar barks have powerful chemicals that are poisonous to beetles, so beetles can't attack cedar trees.
In addition, the reading passage claims that maybe brown bears are causing the reduction. These bears eat cedar trees bark which contains sugar. However, the professor refutes this point by saying that maybe bears harm some trees but they couldn't damage all of them. Also, cedar trees are declining all over northwestern North America, both in the mainland and islands, but there are no bears in the islands. Therefore brown bears couldn't cause this reduction.
Finally, the reading and listening both are discussing the role of gradual changes of climate. While the reading passage asserts that these changes affected the root system of cedar trees and exposed them to freezing temperatures in the locations with high elevations. The professor says that it's true that roots have become sensitive, but more trees are dying in the lower elevations where the temperature is higher than higher elevations. If freezing is the reason for this phenomenon, trees must be dying in the higher elevations.
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Grammar and spelling errors:
Line 3, column 315, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: Also,
...t resistance trees against the beetles. Also cedar barks have powerful chemicals tha...
^^^^
Line 3, column 396, Rule ID: CANT[1]
Message: Did you mean 'can't' or 'cannot'?
Suggestion: can't; cannot
...that are poisnous to beetle, so beetles cant attack cedar trees. In addition, the...
^^^^
Line 5, column 240, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: couldn't
...at maybe bears harm some trees but they couldnt damage all of them.Also cedar trees are...
^^^^^^^
Line 5, column 267, Rule ID: SENTENCE_WHITESPACE
Message: Add a space between sentences
Suggestion: Also
...ees but they couldnt damage all of them.Also cedar trees are declineing all over the...
^^^^
Line 5, column 267, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: Also,
...ees but they couldnt damage all of them.Also cedar trees are declineing all over the...
^^^^
Line 5, column 379, Rule ID: THERE_S_MANY[4]
Message: Did you mean 'there are no bears'?
Suggestion: there are no bears
... both in the main land and islands, but there is no bears in the islands. Therefore brown bears c...
^^^^^^^^^^^^^^^^^
Line 5, column 413, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: Therefore,
..., but there is no bears in the islands. Therefore brown bears couldnt caused this reducti...
^^^^^^^^^
Line 5, column 435, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: couldn't
...s in the islands. Therefore brown bears couldnt caused this reduction. Finally, the ...
^^^^^^^
Line 7, column 313, Rule ID: HAVE_PART_AGREEMENT[1]
Message: Use past participle here: 'become'.
Suggestion: become
...ssor says that its true that roots have became sensitive, but more trees are dieing in...
^^^^^^
Transition Words or Phrases used:
also, but, finally, however, if, may, so, therefore, while, in addition, in contrast, talking about, to begin with
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 13.0 10.4613686534 124% => OK
Auxiliary verbs: 1.0 5.04856512141 20% => OK
Conjunction : 10.0 7.30242825607 137% => OK
Relative clauses : 11.0 12.0772626932 91% => OK
Pronoun: 25.0 22.412803532 112% => OK
Preposition: 27.0 30.3222958057 89% => OK
Nominalization: 7.0 5.01324503311 140% => OK
Performance on vocabulary words:
No of characters: 1459.0 1373.03311258 106% => OK
No of words: 278.0 270.72406181 103% => OK
Chars per words: 5.24820143885 5.08290768461 103% => OK
Fourth root words length: 4.08329915638 4.04702891845 101% => OK
Word Length SD: 2.40960212322 2.5805825403 93% => OK
Unique words: 148.0 145.348785872 102% => OK
Unique words percentage: 0.532374100719 0.540411800872 99% => OK
syllable_count: 427.5 419.366225166 102% => 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: 8.0 8.23620309051 97% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 3.0 1.51434878587 198% => OK
Preposition: 3.0 2.5761589404 116% => OK
Performance on sentences:
How many sentences: 15.0 13.0662251656 115% => OK
Sentence length: 18.0 21.2450331126 85% => The Avg. Sentence Length is relatively short.
Sentence length SD: 54.3885608888 49.2860985944 110% => OK
Chars per sentence: 97.2666666667 110.228320801 88% => OK
Words per sentence: 18.5333333333 21.698381199 85% => OK
Discourse Markers: 7.6 7.06452816374 108% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 9.0 4.19205298013 215% => Less language errors wanted.
Sentences with positive sentiment : 2.0 4.33554083885 46% => More positive sentences wanted.
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: 0.395893335736 0.272083759551 146% => OK
Sentence topic coherence: 0.137210334429 0.0996497079465 138% => OK
Sentence topic coherence SD: 0.0812768443294 0.0662205650399 123% => OK
Paragraph topic coherence: 0.220553455472 0.162205337803 136% => OK
Paragraph topic coherence SD: 0.0656085902359 0.0443174109184 148% => OK
Essay readability:
automated_readability_index: 12.6 13.3589403974 94% => Automated_readability_index is low.
flesch_reading_ease: 61.67 53.8541721854 115% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 9.1 11.0289183223 83% => OK
coleman_liau_index: 13.17 12.2367328918 108% => OK
dale_chall_readability_score: 8.22 8.42419426049 98% => OK
difficult_words: 65.0 63.6247240618 102% => OK
linsear_write_formula: 8.0 10.7273730684 75% => OK
gunning_fog: 9.2 10.498013245 88% => OK
text_standard: 9.0 11.2008830022 80% => OK
What are above readability scores?
---------------------
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.