The article discusses the possibility of using stars for navigation in humpback whales and supports this theory by three reasons. The professor, however, indicates that while this theory may seem fascinating, the explanations in the article aren't convincing, and refutes each of the author's reasons.
First, the article suggests that humpback whales are intelligent animals and could use stars for navigation. The professor states that the intelligence of humpback whales isn't relative to using stars for navigation. He explains that some birds are using star navigation whereas they are not intelligent; like ducks that have average intelligence. He concludes that star navigation is related to animals instincts not to their cleverness.
Second, the author claims that humpback whales migrate in straight directions whereas other animals. The professor rejects this point and says that humpback whales are likely reacting to an external object or force like the Erth's magnetic field. He explains that they are bio-magnetite sensitive towards the Erth's magnetic field; Therefore, they orient themselves accordingly.
Finally, the article states that humpback whales have an odd behavior named spy-hopping that is very rare in animals when they flip and face upward towards the sky. The professor contradicts this point as well and states that sharks also have this peculiar behavior but they don't migrate and they don't star gazing. He explains further that humpback whales do spy-hopping during the daytime when there are no stars to see. Thus it isn't a convincing conclusion.
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Grammar and spelling errors:
Line 1, column 242, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: aren't
...nating, the explanations in the article arent convincing, and refutes each of the aut...
^^^^^
Line 3, column 172, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: isn't
...hat the intelligence of humpback whales isnt relative to using stars for navigation....
^^^^
Line 8, column 276, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: don't
...so have this peculiar behavior but they dont migrate and they dont star gazing. He e...
^^^^
Line 8, column 298, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: don't
...behavior but they dont migrate and they dont star gazing. He explains further that h...
^^^^
Line 8, column 423, Rule ID: SENT_START_CONJUNCTIVE_LINKING_ADVERB_COMMA[1]
Message: Did you forget a comma after a conjunctive/linking adverb?
Suggestion: Thus,
...daytime when there are no stars to see. Thus it isnt a convincing conclusion.
^^^^
Line 8, column 431, Rule ID: EN_CONTRACTION_SPELLING
Message: Possible spelling mistake found
Suggestion: isn't
...when there are no stars to see. Thus it isnt a convincing conclusion.
^^^^
Transition Words or Phrases used:
accordingly, also, but, finally, first, however, may, second, so, therefore, thus, well, whereas, while
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 8.0 10.4613686534 76% => OK
Auxiliary verbs: 2.0 5.04856512141 40% => OK
Conjunction : 9.0 7.30242825607 123% => OK
Relative clauses : 15.0 12.0772626932 124% => OK
Pronoun: 31.0 22.412803532 138% => Less pronouns wanted
Preposition: 16.0 30.3222958057 53% => More preposition wanted.
Nominalization: 7.0 5.01324503311 140% => OK
Performance on vocabulary words:
No of characters: 1348.0 1373.03311258 98% => OK
No of words: 243.0 270.72406181 90% => More content wanted.
Chars per words: 5.54732510288 5.08290768461 109% => OK
Fourth root words length: 3.94822203886 4.04702891845 98% => OK
Word Length SD: 2.72669071397 2.5805825403 106% => OK
Unique words: 129.0 145.348785872 89% => More unique words wanted.
Unique words percentage: 0.530864197531 0.540411800872 98% => OK
syllable_count: 401.4 419.366225166 96% => OK
avg_syllables_per_word: 1.7 1.55342163355 109% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 5.0 3.25607064018 154% => 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: 1.0 2.5761589404 39% => More preposition wanted as sentence beginning.
Performance on sentences:
How many sentences: 13.0 13.0662251656 99% => OK
Sentence length: 18.0 21.2450331126 85% => The Avg. Sentence Length is relatively short.
Sentence length SD: 33.6951175506 49.2860985944 68% => OK
Chars per sentence: 103.692307692 110.228320801 94% => OK
Words per sentence: 18.6923076923 21.698381199 86% => OK
Discourse Markers: 7.92307692308 7.06452816374 112% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 6.0 4.19205298013 143% => OK
Sentences with positive sentiment : 6.0 4.33554083885 138% => OK
Sentences with negative sentiment : 6.0 4.45695364238 135% => OK
Sentences with neutral sentiment: 1.0 4.27373068433 23% => More facts, knowledge or examples wanted.
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.405703948233 0.272083759551 149% => OK
Sentence topic coherence: 0.156956465436 0.0996497079465 158% => OK
Sentence topic coherence SD: 0.0885224320464 0.0662205650399 134% => OK
Paragraph topic coherence: 0.246881995827 0.162205337803 152% => OK
Paragraph topic coherence SD: 0.0475599798726 0.0443174109184 107% => OK
Essay readability:
automated_readability_index: 14.1 13.3589403974 106% => OK
flesch_reading_ease: 44.75 53.8541721854 83% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 11.5 11.0289183223 104% => OK
coleman_liau_index: 14.91 12.2367328918 122% => OK
dale_chall_readability_score: 8.43 8.42419426049 100% => OK
difficult_words: 60.0 63.6247240618 94% => OK
linsear_write_formula: 10.5 10.7273730684 98% => OK
gunning_fog: 9.2 10.498013245 88% => OK
text_standard: 9.0 11.2008830022 80% => OK
What are above readability scores?
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Rates: 81.6666666667 out of 100
Scores by essay e-grader: 24.5 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.