tpo 49: whales navigation by stars
the passage is putting forward the fact that humpback whales use stars in order to navigate by. The speaker has provided several evidence that can support this fact. However, the professor believes that it's a fascinating theory, but, these evidences are not really convincing. There for, he refutes each of the evidences by providing some contrasting examples of another species.
First of all, the passage states that these whales are intelligent enough to use a complex abstract system of sensory stimuli, like night sky, to find their ways. However, the professor is of the opinion that there is no logical connection between intelligence and navigating by night sky. Take ducks for example, although these birds have an average degree of general cognitive ability, they do use stars to navigate by, which can readily reject this evidence validity.
Secondly, the author mentions this point that whales migrate in a straight line, which it means that they can maintain themselves in this straight line only by using external forces and objects, that this force is, obviously, the stars. In contrary, the speaker intrigues another external force, a biomagnified chemical in whales’ brain. As the professor defines, this chemical makes the whale sensitive to the magnetic field of the earth, as a result, they use it as a landmark for orientation.
Finally, the reading takes an unusual behavior of the whales as a piece of evidence in order to prove his claim. The author, suggests that whales sometimes float straight up for minutes, their heads above the water searching for stars. In contrast, the lecturer believes that this behavior that is called spy-hopping is not convincing enough. In order to support his claim, by providing an example of sharks that do so but they don’t migrate with the help of stars. In fact, he proposes that this strange behavior is due to searching for a prey rather that orienting by sky. Moreover, as the whales do so during day, this come to mind that this evidence is a pure speculation.
| Post date | Users | Rates | Link to Content |
|---|---|---|---|
| 2019-12-30 | zahra.tmmm | 80 | view |
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Grammar and spelling errors:
Line 1, column 1, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: The
the passage is putting forward the fact tha...
^^^
Line 1, column 122, Rule ID: MANY_NN_U[8]
Message: Possible agreement error. The noun evidence seems to be uncountable; consider using: 'some evidence'.
Suggestion: some evidence
...o navigate by. The speaker has provided several evidence that can support this fact. However, th...
^^^^^^^^^^^^^^^^
Line 1, column 204, Rule ID: IT_IS[17]
Message: Did you mean 'it's' (='it is') instead of 'its' (possessive pronoun)?
Suggestion: it's; it is
...t. However, the professor believes that its a fascinating theory, but, these eviden...
^^^
Line 13, column 472, Rule ID: ENGLISH_WORD_REPEAT_BEGINNING_RULE
Message: Three successive sentences begin with the same word. Reword the sentence or use a thesaurus to find a synonym.
...'t migrate with the help of stars. In fact, he proposes that this strange beh...
^^
Transition Words or Phrases used:
but, finally, first, however, if, moreover, really, second, secondly, so, for example, in contrast, in fact, as a result, first of all
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 10.0 10.4613686534 96% => OK
Auxiliary verbs: 3.0 5.04856512141 59% => OK
Conjunction : 3.0 7.30242825607 41% => More conjunction wanted.
Relative clauses : 17.0 12.0772626932 141% => OK
Pronoun: 42.0 22.412803532 187% => Less pronouns wanted
Preposition: 42.0 30.3222958057 139% => OK
Nominalization: 8.0 5.01324503311 160% => OK
Performance on vocabulary words:
No of characters: 1718.0 1373.03311258 125% => OK
No of words: 337.0 270.72406181 124% => OK
Chars per words: 5.09792284866 5.08290768461 100% => OK
Fourth root words length: 4.28457229495 4.04702891845 106% => OK
Word Length SD: 2.62128510643 2.5805825403 102% => OK
Unique words: 183.0 145.348785872 126% => OK
Unique words percentage: 0.543026706231 0.540411800872 100% => OK
syllable_count: 530.1 419.366225166 126% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 9.0 3.25607064018 276% => Less pronouns wanted as sentence beginning.
Article: 12.0 8.23620309051 146% => OK
Subordination: 4.0 1.25165562914 320% => Less adverbial clause wanted.
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 7.0 2.5761589404 272% => Less preposition wanted as sentence beginnings.
Performance on sentences:
How many sentences: 16.0 13.0662251656 122% => OK
Sentence length: 21.0 21.2450331126 99% => OK
Sentence length SD: 38.9853738599 49.2860985944 79% => OK
Chars per sentence: 107.375 110.228320801 97% => OK
Words per sentence: 21.0625 21.698381199 97% => OK
Discourse Markers: 8.375 7.06452816374 119% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 4.0 4.19205298013 95% => OK
Sentences with positive sentiment : 8.0 4.33554083885 185% => OK
Sentences with negative sentiment : 4.0 4.45695364238 90% => OK
Sentences with neutral sentiment: 4.0 4.27373068433 94% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.403178712125 0.272083759551 148% => OK
Sentence topic coherence: 0.125873092544 0.0996497079465 126% => OK
Sentence topic coherence SD: 0.0717694004786 0.0662205650399 108% => OK
Paragraph topic coherence: 0.24144110578 0.162205337803 149% => OK
Paragraph topic coherence SD: 0.046712038513 0.0443174109184 105% => OK
Essay readability:
automated_readability_index: 13.1 13.3589403974 98% => OK
flesch_reading_ease: 50.16 53.8541721854 93% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 11.5 11.0289183223 104% => OK
coleman_liau_index: 12.3 12.2367328918 101% => OK
dale_chall_readability_score: 8.47 8.42419426049 101% => OK
difficult_words: 81.0 63.6247240618 127% => OK
linsear_write_formula: 8.0 10.7273730684 75% => OK
gunning_fog: 10.4 10.498013245 99% => OK
text_standard: 12.0 11.2008830022 107% => OK
What are above readability scores?
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Write the essay in 20 minutes.
Rates: 80.0 out of 100
Scores by essay e-grader: 24.0 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.