The article and the lecture are about three theories which pretend to clarify the reasons for the extinction of a huge marine mammal known as Steller’s sea cow. The author in the passage believes that those hypotheses are not only well-supported but also have some evidence that may confirm this issue. However, the lecturer cast doubt on the statements made in the article. He thinks that those explanations present problems that not fit with the extinction of the sea cows.
First, the author claims that overhunting may have caused the decline of the sea cow’s population because they were a good source of food in a harsh environment. Nevertheless, this hypothesis is challenged by the lecturer who posits that due to the great size of these sea creatures and the low population of native Siberian people, it is unlikely that natives may need so much source of food which implies that this extinction could not have been produced by overhunting.
Second, the article states that the sea cow population began to decrease constantly until it became extinct because of the decline of the main source of food caused by ecosystems disturbances. Nonetheless, the lecturer discredits this idea by clarifying that if ecological changes had happened before the extinction of sea cow, it would have been affected other marine animals such as whales.
Finally, the author mentions that the arrival of European fur trades during the period in which sea cow became extinct may have caused the decline of their population since European trades possessed weapons that allowed them to kill these creatures easily. The lecturer, on the other hand, puts forth the idea that when European traders arrived at these areas, by then, the sea cow population was relatively so small. Therefore, the extinction of these marine animals was caused by another issue when the population was larger.
- Did bees (a type of insect) exist on Earth as early as 200 million years ago? Such a theory is supported by the discovery of very old fossil structures that resemble bee nests. The structures have been found inside 200- million-year-old fossilized trees i 78
- Altruism is a type of behavior in which an animal sacrifices its own interest for that of another animal or group of animals. Altruism is the opposite of selfishness; individuals performing altruistic acts gain nothing for themselves. Examples of altruism 3
- The article and the lecture are about three theories which have been proposed to explain the origin of the Voynich manuscript. The author in the passage believes that those hypotheses are well-supported. However, the lecturer casts doubt on the statement 80
- Undoubtedly, people lifestyles have changed over time. Some people consider that modern life is more complex than before. Therefore, I personally believe that the organization is one of the most efficient aspects that people should consider for overcoming 73
- The author professes that Agnostids were arthropods and proposes three theories about how they lived based on the fossil records. However, the professor finds the ideas implausible and expresses a profound disagreement by elaborating on the fact that the 80
Transition Words or Phrases used:
also, but, finally, first, however, if, may, nevertheless, nonetheless, second, so, then, therefore, well, such as, on the other hand
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 10.0 10.4613686534 96% => OK
Auxiliary verbs: 7.0 5.04856512141 139% => OK
Conjunction : 3.0 7.30242825607 41% => More conjunction wanted.
Relative clauses : 19.0 12.0772626932 157% => OK
Pronoun: 30.0 22.412803532 134% => Less pronouns wanted
Preposition: 37.0 30.3222958057 122% => OK
Nominalization: 13.0 5.01324503311 259% => Less nominalizations (nouns with a suffix like: tion ment ence ance) wanted.
Performance on vocabulary words:
No of characters: 1578.0 1373.03311258 115% => OK
No of words: 308.0 270.72406181 114% => OK
Chars per words: 5.12337662338 5.08290768461 101% => OK
Fourth root words length: 4.18926351222 4.04702891845 104% => OK
Word Length SD: 2.69479737129 2.5805825403 104% => OK
Unique words: 164.0 145.348785872 113% => OK
Unique words percentage: 0.532467532468 0.540411800872 99% => OK
syllable_count: 498.6 419.366225166 119% => 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: 10.0 8.23620309051 121% => OK
Subordination: 0.0 1.25165562914 0% => More adverbial clause wanted.
Conjunction: 0.0 1.51434878587 0% => OK
Preposition: 2.0 2.5761589404 78% => OK
Performance on sentences:
How many sentences: 11.0 13.0662251656 84% => 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: 28.0 21.2450331126 132% => The Avg. Sentence Length is relatively long.
Sentence length SD: 65.8682632166 49.2860985944 134% => OK
Chars per sentence: 143.454545455 110.228320801 130% => OK
Words per sentence: 28.0 21.698381199 129% => OK
Discourse Markers: 12.0909090909 7.06452816374 171% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 0.0 4.19205298013 0% => OK
Sentences with positive sentiment : 3.0 4.33554083885 69% => OK
Sentences with negative sentiment : 5.0 4.45695364238 112% => OK
Sentences with neutral sentiment: 3.0 4.27373068433 70% => OK
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.173128154168 0.272083759551 64% => OK
Sentence topic coherence: 0.0719513277962 0.0996497079465 72% => OK
Sentence topic coherence SD: 0.0596852299557 0.0662205650399 90% => OK
Paragraph topic coherence: 0.105221357533 0.162205337803 65% => OK
Paragraph topic coherence SD: 0.0325425236091 0.0443174109184 73% => OK
Essay readability:
automated_readability_index: 16.7 13.3589403974 125% => OK
flesch_reading_ease: 43.06 53.8541721854 80% => OK
smog_index: 8.8 5.55761589404 158% => OK
flesch_kincaid_grade: 14.2 11.0289183223 129% => OK
coleman_liau_index: 12.71 12.2367328918 104% => OK
dale_chall_readability_score: 8.77 8.42419426049 104% => OK
difficult_words: 73.0 63.6247240618 115% => OK
linsear_write_formula: 11.0 10.7273730684 103% => OK
gunning_fog: 13.2 10.498013245 126% => OK
text_standard: 9.0 11.2008830022 80% => OK
What are above readability scores?
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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.