Archaeologists have recently found a fossil of a 150-million-year-old mam-mal known as Repenomomus robustus (R. robustus). Interestingly, the mammal's stomach contained the remains of a psittacosaur dinosaur. Some researchers have therefore suggested that R. robustus was an active hunter of dinosaurs. However, a closer analysis has made the hypothesis that R. robustus was an active hunter unlikely. It was probably Just a scavenger that sometimes fed on dinosaur eggs containing unhatched dinosaurs.
First, R. robustus, like most mammals living 150 million years ago, was small—only about the size of a domestic cat. It was much smaller than psittacosaurs, which were almost two meters tall when full grown. Given this size difference, it is unlikely that R. robustus would have been able to successfully hunt psittacosaurs or similar dinosaurs.
Second, the legs of R. robustus appear much more suited for scavenging than hunting: they were short and positioned somewhat to the side rather than directly underneath the animal. These features suggest that R. robustus did not chase after prey. Psittacosaurs—the type of dinosaur found in the stomach of R. robustus—were fast moving. It is unlikely that they would have been caught by such short-legged animals.
Third, the dinosaur bones inside the stomach of the R. robustus provide no evidence to support the idea that the dinosaur had been actively hunted. When an animal has been hunted and eaten by another animal, there are usually teeth marks on the bones of the animal that was eaten. But the bones of the psittaco-saur inside the R. robustus stomach do not have teeth marks. This suggests that R. robustus found an unguarded dinosaur nest with eggs and simply swallowed an egg with the small psittacosaur still inside the eggshell.
The author and the lecturer talk about the topic " Repenomamus robustus been a dinosaur". according to the research, robustus stomach content was found with remaining of the psittacosaurs. Whereas the author argues that robust was not a hunter, it was a scavenger so this claim is false. but, the professor in the lecture opposes the argument presented the author.
Firstly, The author states that the robustus dinosaurs were smaller than the psittacosaurs, so it is impossible for a robust to eat such a big mammal. robustus dinosaur must have swallowed the egg of Psittacosaurus. but the professor refutes this assumption by saying that Although robustus is smaller than psittacosaur and other mammals, it can be possible that they must have eaten a baby psittacosaur. baby dinosaurs are smaller in size than robustus.
Secondly, The author claim that robustus is more suited to scavenging than hunting because of their leg size. The position of legs of these dinosaurs is underneath the animal which suggests that robust does not chase after prey. In addition, psittacosaurs were fast-moving mammals that were impossible for a robustus to catch. this supports the idea that robustus is a scavenger than a hunter. However, The professor denies this suggestion, by taking an example of another modern mammal, which also has short legs similar to the robust and they also run fast. so, If modern mammals can run fast with such leg size then it is a possibility that robustus dinosaurs may have also.
Lastly, The author talks about the teeth marks. according to the research, no teeth marks are found on the remaining. this supports the idea that dinosaurs were not active hunter. While the professor opposes the idea by adding that robustus use to have very strong jaw but they do not use their back teeth. they usually help them to swallow their food. so, it can be expected that psittacosaurs content does not show any teeth marks.
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| 2022-03-18 | ishi_jais | 66 | view |
| 2021-11-29 | Ranju01 | 85 | view |
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| 2020-09-09 | Akhil_Maddukuri | 66 | view |
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Grammar and spelling errors:
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Suggestion: According
...nomamus robustus been a dinosaur'. according to the research, robustus stomach conte...
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Suggestion: But
...was a scavenger so this claim is false. but, the professor in the lecture opposes t...
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Suggestion: Robustus
... for a robust to eat such a big mammal. robustus dinosaur must have swallowed the egg of...
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Suggestion: But
...ve swallowed the egg of Psittacosaurus. but the professor refutes this assumption b...
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Suggestion: Baby
...ey must have eaten a baby psittacosaur. baby dinosaurs are smaller in size than robu...
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Message: A more concise phrase may lose no meaning and sound more powerful.
Suggestion: smaller
...a baby psittacosaur. baby dinosaurs are smaller in size than robustus. Secondly, The autho...
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...ere impossible for a robustus to catch. this supports the idea that robustus is a sc...
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Suggestion: So
...r to the robust and they also run fast. so, If modern mammals can run fast with su...
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Message: “so , If” 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.
...r to the robust and they also run fast. so, If modern mammals can run fast with such l...
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Message: 'Also' is not used at the end of the sentence. Use 'as well' instead.
Suggestion: as well
...bility that robustus dinosaurs may have also. Lastly, The author talks about th...
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...The author talks about the teeth marks. according to the research, no teeth marks are fou...
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Suggestion: This
...teeth marks are found on the remaining. this supports the idea that dinosaurs were n...
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Message: Did you mean 'used'?
Suggestion: used
...pposes the idea by adding that robustus use to have very strong jaw but they do not...
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Suggestion: They
...w but they do not use their back teeth. they usually help them to swallow their food...
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Suggestion: So
...sually help them to swallow their food. so, it can be expected that psittacosaurs ...
^^
Transition Words or Phrases used:
also, but, first, firstly, however, if, lastly, may, second, secondly, so, then, whereas, while, in addition
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance on Part of Speech:
To be verbs : 19.0 10.4613686534 182% => OK
Auxiliary verbs: 6.0 5.04856512141 119% => OK
Conjunction : 5.0 7.30242825607 68% => OK
Relative clauses : 14.0 12.0772626932 116% => OK
Pronoun: 31.0 22.412803532 138% => Less pronouns wanted
Preposition: 27.0 30.3222958057 89% => OK
Nominalization: 5.0 5.01324503311 100% => OK
Performance on vocabulary words:
No of characters: 1637.0 1373.03311258 119% => OK
No of words: 323.0 270.72406181 119% => OK
Chars per words: 5.06811145511 5.08290768461 100% => OK
Fourth root words length: 4.23936324884 4.04702891845 105% => OK
Word Length SD: 2.7371712955 2.5805825403 106% => OK
Unique words: 159.0 145.348785872 109% => OK
Unique words percentage: 0.49226006192 0.540411800872 91% => More unique words wanted or less content wanted.
syllable_count: 494.1 419.366225166 118% => OK
avg_syllables_per_word: 1.5 1.55342163355 97% => OK
A sentence (or a clause, phrase) starts by:
Pronoun: 6.0 3.25607064018 184% => OK
Article: 7.0 8.23620309051 85% => OK
Subordination: 2.0 1.25165562914 160% => OK
Conjunction: 1.0 1.51434878587 66% => 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: 38.6638073655 49.2860985944 78% => OK
Chars per sentence: 81.85 110.228320801 74% => OK
Words per sentence: 16.15 21.698381199 74% => OK
Discourse Markers: 5.4 7.06452816374 76% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 15.0 4.19205298013 358% => Less language errors wanted.
Sentences with positive sentiment : 6.0 4.33554083885 138% => OK
Sentences with negative sentiment : 4.0 4.45695364238 90% => OK
Sentences with neutral sentiment: 10.0 4.27373068433 234% => Less facts, knowledge or examples wanted.
What are sentences with positive/Negative/neutral sentiment?
Coherence and Cohesion:
Essay topic to essay body coherence: 0.224421351149 0.272083759551 82% => OK
Sentence topic coherence: 0.0764648375488 0.0996497079465 77% => OK
Sentence topic coherence SD: 0.0626258291821 0.0662205650399 95% => OK
Paragraph topic coherence: 0.141916231143 0.162205337803 87% => OK
Paragraph topic coherence SD: 0.0431217470643 0.0443174109184 97% => OK
Essay readability:
automated_readability_index: 10.5 13.3589403974 79% => Automated_readability_index is low.
flesch_reading_ease: 63.7 53.8541721854 118% => OK
smog_index: 3.1 5.55761589404 56% => Smog_index is low.
flesch_kincaid_grade: 8.4 11.0289183223 76% => OK
coleman_liau_index: 11.83 12.2367328918 97% => OK
dale_chall_readability_score: 7.8 8.42419426049 93% => OK
difficult_words: 69.0 63.6247240618 108% => OK
linsear_write_formula: 7.0 10.7273730684 65% => OK
gunning_fog: 8.4 10.498013245 80% => OK
text_standard: 8.0 11.2008830022 71% => OK
What are above readability scores?
---------------------
Write the essay in 20 minutes.
Rates: 66.6666666667 out of 100
Scores by essay e-grader: 20.0 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.