Humpback whales navigate by stars

Essay topics:

Humpback whales navigate by stars

Whether humpback whales use stars to navigate their migration is a long-running debate. The passage mentions that the statement is true, as whales have sufficent intelligent, they migrate in straight lines, and they have a rare spy-hopping behavior. but the lecture considers them unconvincing.

The passage begins by arguing that whales are intelligent enough to use stars to guide their orientation. Nevertheless, the lecture counters this, pointing out that there is no solid evidence about the connection between intelligent and that specific ability. A kind of bird which has brain on average size, could navigate their travel with stars. That is to say, possibly there are no directly dependence between the cognitive level and the ability to use stars to lead their movement. Therefore, the assertion of the passage does not seem reasoning.

Furthermore, the passage assumes that the fact that whales migrate in straight lines support the statement, since external objects are required as reference for animals to move as such. The lecture, however, suggests this may not be merited by the evidence. A specific organism was found in whales' mind, which has ability to measure the magnetic field of the Earth. Therefore, whales could wield this inborn ability to perform the straight movement, without the need for external objects. The passage cannot bolster the recommendation without ruling out the refutation.

Last but not the least important, even if the evidence turns out to support the passage that spy-hopping, a rare behavior found in whales, could be an evidence that whales look upward to find stars, one critical fact is being left out of consideration. The lecture points out the passage neglects the truth that other animals which do not migrate also have the same behavior. Moreover, the spy-hopping behavior typically happens in day, when the stars could not be easily seen. The passage must explain more persuasively to reach the cited conclusion.

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Essay Categories

Comments

Grammar and spelling errors:
Line 1, column 1, Rule ID: SENTENCE_FRAGMENT[1]
Message: “Whether” at the beginning of a sentence requires a 2nd clause. Maybe a comma, question or exclamation mark is missing, or the sentence is incomplete and should be joined with the following sentence.
Whether humpback whales use stars to navigate t...
^^^^^^^
Line 1, column 66, Rule ID: A_INFINITVE[1]
Message: Probably a wrong construction: a/the + infinitive
...se stars to navigate their migration is a long-running debate. The passage mentions that the s...
^^^^^^^^^^^^^^
Line 1, column 251, Rule ID: UPPERCASE_SENTENCE_START
Message: This sentence does not start with an uppercase letter
Suggestion: But
... they have a rare spy-hopping behavior. but the lecture considers them unconvincing...
^^^
Line 3, column 384, Rule ID: NOW[2]
Message: Did you mean 'now' (=at this moment) instead of 'no' (negation)?
Suggestion: now
...ars. That is to say, possibly there are no directly dependence between the cogniti...
^^

Transition Words or Phrases used:
also, but, furthermore, however, if, look, may, moreover, nevertheless, so, therefore, kind of, that is to say

Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments

Performance on Part of Speech:
To be verbs : 13.0 10.4613686534 124% => OK
Auxiliary verbs: 8.0 5.04856512141 158% => OK
Conjunction : 5.0 7.30242825607 68% => OK
Relative clauses : 14.0 12.0772626932 116% => OK
Pronoun: 20.0 22.412803532 89% => OK
Preposition: 35.0 30.3222958057 115% => OK
Nominalization: 17.0 5.01324503311 339% => Less nominalizations (nouns with a suffix like: tion ment ence ance) wanted.

Performance on vocabulary words:
No of characters: 1669.0 1373.03311258 122% => OK
No of words: 314.0 270.72406181 116% => OK
Chars per words: 5.3152866242 5.08290768461 105% => OK
Fourth root words length: 4.20951839842 4.04702891845 104% => OK
Word Length SD: 2.73220382213 2.5805825403 106% => OK
Unique words: 170.0 145.348785872 117% => OK
Unique words percentage: 0.541401273885 0.540411800872 100% => OK
syllable_count: 515.7 419.366225166 123% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK

A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 3.25607064018 61% => OK
Article: 13.0 8.23620309051 158% => OK
Subordination: 4.0 1.25165562914 320% => Less adverbial clause wanted.
Conjunction: 2.0 1.51434878587 132% => OK
Preposition: 2.0 2.5761589404 78% => OK

Performance on sentences:
How many sentences: 17.0 13.0662251656 130% => OK
Sentence length: 18.0 21.2450331126 85% => The Avg. Sentence Length is relatively short.
Sentence length SD: 49.9119640192 49.2860985944 101% => OK
Chars per sentence: 98.1764705882 110.228320801 89% => OK
Words per sentence: 18.4705882353 21.698381199 85% => OK
Discourse Markers: 6.47058823529 7.06452816374 92% => 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 : 3.0 4.45695364238 67% => OK
Sentences with neutral sentiment: 6.0 4.27373068433 140% => OK
What are sentences with positive/Negative/neutral sentiment?

Coherence and Cohesion:
Essay topic to essay body coherence: 0.22987369527 0.272083759551 84% => OK
Sentence topic coherence: 0.0708430689176 0.0996497079465 71% => OK
Sentence topic coherence SD: 0.111511987767 0.0662205650399 168% => OK
Paragraph topic coherence: 0.147808424749 0.162205337803 91% => OK
Paragraph topic coherence SD: 0.0883217456009 0.0443174109184 199% => OK

Essay readability:
automated_readability_index: 12.9 13.3589403974 97% => OK
flesch_reading_ease: 53.21 53.8541721854 99% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 10.3 11.0289183223 93% => OK
coleman_liau_index: 13.58 12.2367328918 111% => OK
dale_chall_readability_score: 8.6 8.42419426049 102% => OK
difficult_words: 81.0 63.6247240618 127% => OK
linsear_write_formula: 8.5 10.7273730684 79% => 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: 85.0 out of 100
Scores by essay e-grader: 25.5 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.