The reading passage holds the view that humpback whales are navigated by the stars when migrating. The lecturer refutes this idea and thinks the evidence presented in the passage are unconvincing.
First, the reading passage states that the high intelligence of humpback whales allows them to use stars to navigate by. However, the lecturer argues that this idea lacks real connection between the high intelligence and the ability to use stars to navigate by. The lecturer indicates that there are other animals, like ducks, navigated by stars. Ducks are only of average intelligent. Their ability to use stars does not seem to have connection with their overall intelligence. This indicates that using stars to navigate by is not a sign of high intelligence. So just because humpback whales are highly intelligent, doesn't mean they use stars to navigate.
Second, the reading passage states that humpback whales use stars to keep them migrating straight lines. On the contrary, the lecturer argues that there may be a different explanation for the humpback whales' ability to navigate in a straight line. Animals that migrate in a straight line have to sign external objects or force. Instead of using stars, the external force that humpback whales are using could be the earth magnetic field because of the biomagnetite in its body. Generally, this substance makes animals sensitive to Earth's magnetic field. The fact that there is biomagnetite in the brain of humpback whale is suggesting that the whales is navigating by the magnetic field rather than the stars.
Lastly, the reading passage regards the spy-hopping as the behavior humpback whales to look for stars. Nevertheless, the lecturer says this behavior has nothing to do with looking at stars. Many other animals, like sharks that don't migrate or look at stars, perform this behavior as well. They use spy-hopping to look for animals to hunt. Also, humpback whales often carry out this behavior during the day when there is no star to be found.
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Essay evaluation report
the reading passage regarding the spy-hopping as the behavior humpback whales to look for stars.
Description: what is the verb of this sentence?
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No. of Words: 331 250 //Write the essay in 20 minutes. May put a timer/clock during essay wring.
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Attribute Value Ideal
Final score: 25 in 30
Category: Very Good Excellent
No. of Grammatical Errors: 1 2
No. of Spelling Errors: 0 2
No. of Sentences: 20 12
No. of Words: 331 250
No. of Characters: 1645 1200
No. of Different Words: 140 150
Fourth Root of Number of Words: 4.265 4.2
Average Word Length: 4.97 4.6
Word Length SD: 2.548 2.4
No. of Words greater than 5 chars: 115 80
No. of Words greater than 6 chars: 94 60
No. of Words greater than 7 chars: 62 40
No. of Words greater than 8 chars: 29 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 16.55 21.0
Sentence Length SD: 5.21 7.5
Use of Discourse Markers (%): 0.5 0.12
Sentence-Text Coherence: 0.355 0.35
Sentence-Para Coherence: 0.531 0.50
Sentence-Sentence Coherence: 0.149 0.07
Number of Paragraphs: 4 4
Transition Words or Phrases used:
also, first, however, if, lastly, look, may, nevertheless, regarding, second, so, well, on the contrary
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 14.0 10.4613686534 134% => OK
Auxiliary verbs: 2.0 5.04856512141 40% => OK
Conjunction : 4.0 7.30242825607 55% => More conjunction wanted.
Relative clauses : 14.0 12.0772626932 116% => OK
Pronoun: 26.0 22.412803532 116% => OK
Preposition: 45.0 30.3222958057 148% => OK
Nominalization: 9.0 5.01324503311 180% => OK
Performance on vocabulary words:
No of characters: 1708.0 1373.03311258 124% => OK
No of words: 335.0 270.72406181 124% => OK
Chars per words: 5.09850746269 5.08290768461 100% => OK
Fourth root words length: 4.27820116611 4.04702891845 106% => OK
Word Length SD: 2.56013268201 2.5805825403 99% => OK
Unique words: 148.0 145.348785872 102% => OK
Unique words percentage: 0.441791044776 0.540411800872 82% => More unique words wanted or less content wanted.
syllable_count: 531.9 419.366225166 127% => OK
avg_syllables_per_word: 1.6 1.55342163355 103% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 4.0 3.25607064018 123% => OK
Article: 11.0 8.23620309051 134% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 4.0 2.5761589404 155% => OK
Performance on sentences:
How many sentences: 20.0 13.0662251656 153% => OK
Sentence length: 16.0 21.2450331126 75% => The Avg. Sentence Length is relatively short.
Sentence length SD: 29.8135455791 49.2860985944 60% => OK
Chars per sentence: 85.4 110.228320801 77% => OK
Words per sentence: 16.75 21.698381199 77% => OK
Discourse Markers: 5.15 7.06452816374 73% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 0.0 4.19205298013 0% => OK
Sentences with positive sentiment : 11.0 4.33554083885 254% => Less positive sentences wanted.
Sentences with negative sentiment : 1.0 4.45695364238 22% => More negative sentences wanted.
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: 0.47876700919 0.272083759551 176% => OK
Sentence topic coherence: 0.160544122163 0.0996497079465 161% => OK
Sentence topic coherence SD: 0.0800920622228 0.0662205650399 121% => OK
Paragraph topic coherence: 0.287840410937 0.162205337803 177% => OK
Paragraph topic coherence SD: 0.1005651658 0.0443174109184 227% => More connections among paragraphs wanted.
Essay readability:
automated_readability_index: 11.0 13.3589403974 82% => Automated_readability_index is low.
flesch_reading_ease: 55.24 53.8541721854 103% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 9.5 11.0289183223 86% => OK
coleman_liau_index: 12.0 12.2367328918 98% => OK
dale_chall_readability_score: 7.26 8.42419426049 86% => OK
difficult_words: 60.0 63.6247240618 94% => OK
linsear_write_formula: 7.5 10.7273730684 70% => OK
gunning_fog: 8.4 10.498013245 80% => OK
text_standard: 8.0 11.2008830022 71% => OK
What are above readability scores?
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Write the essay in 20 minutes.
Rates: 70.0 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.