The lecture and reading both are discussing about the decline in otter population in Alaskan coast. The lecturer believes that predator theory holds true, but the author is against it. He is in favor of pollution theory , which professor mentions as weakening.
To begin with, the professor mentions that there isn't any evidence of dead sea otters floating on the beaches as, the otters are eaten by orca.. Therefore the pollution theory is weakened and predator theory holds true. The author challenges this point and states that oil rigs and other sources of industrial chemical pollutants are mainly responsible for the decrease in number of sea otters which, caused declined in there immunity which, made them susceptible to hazardous infections.
In addition the professor contends that orcas usually feed on big whales but the population of whales is also reduced due excessive hunting by humans, which has caused the orcas to change there diet from whales to smaller sea animals. There there is decline in all types of sea animals such as seals, otters and other smaller animals. The writer on the other hand, claims that pollution is only main cause of decrease in population of otters as well as other smaller sea animals. This is as a result of disturbance in complete ecosystem due to pollution and not because of orcas as they mostly prey on larger whales than sea otters and others.
Finally, the speaker concludes that orcas cannot swim in shallow as well as rocky places so, the population of otters in those regions are still intact. This strengthens the theory of predators than that of pollution. On the contrary, the text states that the decline in otters population is uneven is because of unequal distribution of pollutants and not because of orcas.
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Grammar and spelling errors:
Line 1, column 220, Rule ID: COMMA_PARENTHESIS_WHITESPACE
Message: Put a space after the comma, but not before the comma
Suggestion: ,
...t it. He is in favor of pollution theory , which professor mentions as weakening. ...
^^
Line 3, column 50, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: isn't
...with, the professor mentions that there isnt any evidence of dead sea otters floatin...
^^^^
Line 3, column 143, Rule ID: DOUBLE_PUNCTUATION
Message: Two consecutive dots
Suggestion: .
...beaches as, the otters are eaten by orca.. Therefore the pollution theory is weake...
^^
Line 3, column 146, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: Therefore,
...ches as, the otters are eaten by orca.. Therefore the pollution theory is weakened and pr...
^^^^^^^^^
Line 5, column 4, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[2]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: addition,
...ceptible to hazardous infections. In addition the professor contends that orcas usual...
^^^^^^^^
Line 5, column 236, Rule ID: ENGLISH_WORD_REPEAT_RULE
Message: Possible typo: you repeated a word
Suggestion: There
...iet from whales to smaller sea animals. There there is decline in all types of sea animals ...
^^^^^^^^^^^
Transition Words or Phrases used:
also, but, finally, so, still, then, therefore, well, as to, in addition, such as, as a result, as well as, on the contrary, to begin with, on the other hand
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 : 12.0 12.0772626932 99% => OK
Pronoun: 16.0 22.412803532 71% => OK
Preposition: 44.0 30.3222958057 145% => OK
Nominalization: 14.0 5.01324503311 279% => Less nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1487.0 1373.03311258 108% => OK
No of words: 296.0 270.72406181 109% => OK
Chars per words: 5.02364864865 5.08290768461 99% => OK
Fourth root words length: 4.14784890444 4.04702891845 102% => OK
Word Length SD: 2.520849135 2.5805825403 98% => OK
Unique words: 147.0 145.348785872 101% => OK
Unique words percentage: 0.496621621622 0.540411800872 92% => More unique words wanted or less content wanted.
syllable_count: 463.5 419.366225166 111% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 3.0 3.25607064018 92% => OK
Interrogative: 0.0 0.116997792494 0% => OK
Article: 9.0 8.23620309051 109% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 1.0 1.51434878587 66% => OK
Preposition: 3.0 2.5761589404 116% => OK
Performance on sentences:
How many sentences: 13.0 13.0662251656 99% => OK
Sentence length: 22.0 21.2450331126 104% => OK
Sentence length SD: 59.9230275501 49.2860985944 122% => OK
Chars per sentence: 114.384615385 110.228320801 104% => OK
Words per sentence: 22.7692307692 21.698381199 105% => OK
Discourse Markers: 12.0769230769 7.06452816374 171% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 6.0 4.19205298013 143% => OK
Sentences with positive sentiment : 7.0 4.33554083885 161% => OK
Sentences with negative sentiment : 3.0 4.45695364238 67% => OK
Sentences with neutral sentiment: 3.0 4.27373068433 70% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.366564503764 0.272083759551 135% => OK
Sentence topic coherence: 0.131215054695 0.0996497079465 132% => OK
Sentence topic coherence SD: 0.0819809071191 0.0662205650399 124% => OK
Paragraph topic coherence: 0.21049864718 0.162205337803 130% => OK
Paragraph topic coherence SD: 0.0755435239627 0.0443174109184 170% => OK
Essay readability:
automated_readability_index: 13.6 13.3589403974 102% => OK
flesch_reading_ease: 49.15 53.8541721854 91% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 11.9 11.0289183223 108% => OK
coleman_liau_index: 12.13 12.2367328918 99% => OK
dale_chall_readability_score: 8.46 8.42419426049 100% => OK
difficult_words: 70.0 63.6247240618 110% => OK
linsear_write_formula: 7.5 10.7273730684 70% => OK
gunning_fog: 10.8 10.498013245 103% => OK
text_standard: 12.0 11.2008830022 107% => OK
What are above readability scores?
---------------------
Rates: 73.3333333333 out of 100
Scores by essay e-grader: 22.0 Out of 30
---------------------
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.