Underwater whales produce loud noises known as songs Scientists use whale songs to study the movements for migrations of groups of whales Recently scientists discovered something unusual a single solitary whale whose song is unlike that of all other known

Essay topics:

Underwater, whales produce loud noises: known as songs. Scientists use whale songs to study the movements for migrations, of groups of whales. Recently, scientists discovered something unusual: a single, solitary whale whose song is unlike that of all other known whales. The most notable difference between this unusual whale's song and those of other whales is its high pitch or frequency This unique whale is called the 52-hertz whale because it sings at the unusual frequency of 52 hertz, a much higher pitch than normal. When the 52-hertz whale was first detected, the cause of its uniquely high-pitched song was unknown; however, scientists now have several theories to explain it.

One theory holds that the 52-hertz whale may be a hybrid: the offspring of two different whale species Whales of different species are known to interbreed and produce hybrid offspring that combine characteristics from each of their parents' species. As a hybrid, the whale may have a unique song, different from that of either of its parents because it resulted from a combi nation of the two
A second theory is that the 52-hertz whale may have a damaged sense of hearing Just as people learn to speak by copying the sounds they hear, whales may learn to sing by listening to the sounds of other whales* songs. When people are born deaf, their speech may sound different from that of people born hearing. Similarly, the 52-hertz whale’s songs may sound different simply because it cannot hear the songs of other whales.

A third theory holds that the 52-hertz whale may be the only known member of a rare species Perhaps there were once many more whales of this species, but most are now gone. It seems to be entirely unique only because most of its species has died out.

Both the reading and the lecture discuss an unusual whale's song from a single and solitary whale whose song has a 52-hertz frequency and is called the 52-hertz whale. While the reading mentions some reasons for this weird song, the professor rebuts all of them. These reasons have shown in the following.
First of all, the reading passage claims that the 52-hertz whale may be a hybrid, so its different species can be the cause of the unique song. However, the lecturer counters this argument by insisting that if the 52-hertz whale was a hybrid, it would have a migration pattern such to other non-hybrid whales. But the locations show that it has different migration patterns.
Secondly, although the author of the reading passage mentions that the 52-hertz whale may have a health problem in its ability of hearing, the professor points out that singing is related to the whale's throat and there is not any connection between the throat and earing structure, thus he rebuts the reading's notion.
Finally, the author of the reading argues that the 52-hertz whale may be kind a rare species with a unique song. Meanwhile, the lecturer asserts that if the idea was true, the sound of its parents would be heard in recent times. But the evidence shows that this type of song has never been heard before this one.

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Average: 7 (1 vote)
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Comments

Grammar and spelling errors:
Line 3, column 302, Rule ID: POSSESIVE_APOSTROPHE[2]
Message: Possible typo: apostrophe is missing. Did you mean 'readings'' or 'reading's'?
Suggestion: readings'; reading's
...nd earing structure, thus he rebuts the readings notion. Finally, the author of the rea...
^^^^^^^^

Transition Words or Phrases used:
but, finally, first, however, if, may, second, secondly, so, thus, while, 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: 6.0 5.04856512141 119% => OK
Conjunction : 7.0 7.30242825607 96% => OK
Relative clauses : 9.0 12.0772626932 75% => More relative clauses wanted.
Pronoun: 20.0 22.412803532 89% => OK
Preposition: 19.0 30.3222958057 63% => OK
Nominalization: 5.0 5.01324503311 100% => OK

Performance on vocabulary words:
No of characters: 1090.0 1373.03311258 79% => OK
No of words: 227.0 270.72406181 84% => More content wanted.
Chars per words: 4.80176211454 5.08290768461 94% => OK
Fourth root words length: 3.88156143495 4.04702891845 96% => OK
Word Length SD: 2.30068161727 2.5805825403 89% => OK
Unique words: 121.0 145.348785872 83% => More unique words wanted.
Unique words percentage: 0.533039647577 0.540411800872 99% => OK
syllable_count: 316.8 419.366225166 76% => OK
avg_syllables_per_word: 1.4 1.55342163355 90% => OK

A sentence (or a clause, phrase) starts by:
Pronoun: 2.0 3.25607064018 61% => OK
Article: 7.0 8.23620309051 85% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 2.0 1.51434878587 132% => OK
Preposition: 0.0 2.5761589404 0% => More preposition wanted as sentence beginning.

Performance on sentences:
How many sentences: 10.0 13.0662251656 77% => Need more sentences. Double check the format of sentences, make sure there is a space between two sentences, or have enough periods. And also check the lengths of sentences, maybe they are too long.
Sentence length: 22.0 21.2450331126 104% => OK
Sentence length SD: 73.3572763944 49.2860985944 149% => OK
Chars per sentence: 109.0 110.228320801 99% => OK
Words per sentence: 22.7 21.698381199 105% => OK
Discourse Markers: 8.6 7.06452816374 122% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 1.0 4.19205298013 24% => OK
Sentences with positive sentiment : 2.0 4.33554083885 46% => More positive sentences wanted.
Sentences with negative sentiment : 3.0 4.45695364238 67% => OK
Sentences with neutral sentiment: 5.0 4.27373068433 117% => OK
What are sentences with positive/Negative/neutral sentiment?

Coherence and Cohesion:
Essay topic to essay body coherence: 0.26926379252 0.272083759551 99% => OK
Sentence topic coherence: 0.107099917242 0.0996497079465 107% => OK
Sentence topic coherence SD: 0.0970875959334 0.0662205650399 147% => OK
Paragraph topic coherence: 0.178215560463 0.162205337803 110% => OK
Paragraph topic coherence SD: 0.0871168469399 0.0443174109184 197% => OK

Essay readability:
automated_readability_index: 12.5 13.3589403974 94% => Automated_readability_index is low.
flesch_reading_ease: 66.07 53.8541721854 123% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 9.5 11.0289183223 86% => OK
coleman_liau_index: 10.86 12.2367328918 89% => OK
dale_chall_readability_score: 8.14 8.42419426049 97% => OK
difficult_words: 49.0 63.6247240618 77% => More difficult words wanted.
linsear_write_formula: 9.0 10.7273730684 84% => OK
gunning_fog: 10.8 10.498013245 103% => OK
text_standard: 11.0 11.2008830022 98% => OK
What are above readability scores?

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Rates: 70.0 out of 100
Scores by essay e-grader: 21.0 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.