Private collectors have been selling and buying fossils, the petrified remains of ancient organisms, ever since the eighteenth century. In recent years, however, the sale of fossils, particularly of dinosaurs and other large vertebrates, has grown into a big business. Rare and important fossils are now being sold to private ownership for millions of dollars. This is an unfortunate development for both scientists and the general public.
The public suffers because fossils that would otherwise be donated to museums where everyone can see them are sold to private collectors who do not allow the public to view their collections. Making it harder for the public to see fossils can lead to a decline in public interest in fossils, which would be a pity.
More importantly, scientists are likely to lose access to some of the most important fossils and thereby miss out on potentially crucial discoveries about extinct life forms. Wealthy fossil buyers with a desire to own the rarest and most important fossils can spend virtually limitless amounts of money to acquire them. Scientists and the museums and universities they work for often cannot compete successfully for fossils against millionaire fossil buyers.
Moreover, commercial fossil collectors often destroy valuable scientific evidence associated with the fossils they unearth. Most commercial fossil collectors are untrained or uninterestedin carrying out the careful field work and documentation that reveal the most about animal life in the past. For example, scientists have learned about the biology of nest-building dinosaurs called oviraptors by carefully observing the exact position of oviraptor fossils in the ground and the presence of other fossils in the immediate surroundings. Commercial fossil collectors typically pay no attention to how fossils lie in the ground or to the smaller fossils that may surround bigger ones.
Both the reading and listening materials discuss the sale of fossils. The reading, to be more specific, argues that this market is a great loss for both scientists and general public. On the contrary, the lecture holds a different idea and states that the benefits brought about by selling fossils have out-weighted its disadvantages.
The reading begins by stating that fossils are supposed to be exhibited in museums for the public instead of in some private collections. This is challenged by the professor, who feels strong that the public is more likely have greater exposure to these valuable fossils. He further explains this by claiming that the sale of fossils has made it easier for public places like schools and libraries to purchase them; hence, more people will get to see the fossils.
The reading them points out that scientists are bound to miss out on various important information about extinct life forms. The professor, in contrast, asserts that the sale of fossils does not affect the work of scientists. He supports his claim by discussing that all fossils have to be examined and identified by scientists; thus, they still have access to the fossils and the informations they might provide.
The reading finishes by arguing that commercial collectors tend leave out a lot of valuable scientific evidence due to their lack of professional knowledge. The lecturer refutes this idea, claiming that it is better to discover more fossils than leaving them remain undiscovered. Indeed, there are not enough governmental operations needed to carry out these types of field works.
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- Private collectors have been selling and buying fossils, the petrified remains of ancient organisms, ever since the eighteenth century. In recent years, however, the sale of fossils, particularly of dinosaurs and other large vertebrates, has grown into a 80
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Grammar and spelling errors:
Line 1, column 169, Rule ID: GENERAL_XX[1]
Message: Use simply 'public'.
Suggestion: public
...is a great loss for both scientists and general public. On the contrary, the lecture holds a d...
^^^^^^^^^^^^^^
Line 7, column 322, Rule ID: WHITESPACE_RULE
Message: Possible typo: you repeated a whitespace
Suggestion:
...ndeed, there are not enough governmental operations needed to carry out these typ...
^^
Discourse Markers used:
['hence', 'if', 'so', 'still', 'thus', 'in contrast', 'on the contrary']
Attributes: Values AverageValues Percentages(Values/AverageValues)% => Comments
Performance in Part of Speech:
Nouns: 0.218309859155 0.261695866417 83% => OK
Verbs: 0.193661971831 0.158904122519 122% => OK
Adjectives: 0.0915492957746 0.0723426182421 127% => OK
Adverbs: 0.0387323943662 0.0435111971325 89% => OK
Pronouns: 0.0422535211268 0.0277247811725 152% => OK
Prepositions: 0.12676056338 0.128828473217 98% => OK
Participles: 0.0669014084507 0.0370669169778 180% => Less participles wanted.
Conjunctions: 2.71856427476 2.5805825403 105% => OK
Infinitives: 0.0387323943662 0.0208969081088 185% => Less infinitives wanted.
Particles: 0.0140845070423 0.00154638098197 911% => OK
Determiners: 0.116197183099 0.128158765124 91% => OK
Modal_auxiliary: 0.00704225352113 0.0158828679856 44% => OK
WH_determiners: 0.00352112676056 0.0114777025283 31% => OK
Vocabulary words and sentences:
No of characters: 1605.0 1645.83664459 98% => OK
No of words: 260.0 271.125827815 96% => OK
Chars per words: 6.17307692308 6.08160592843 102% => OK
Fourth root words length: 4.01553427287 4.04852973271 99% => OK
words length more than 5 chars: 0.4 0.374372842146 107% => OK
words length more than 6 chars: 0.315384615385 0.287516216867 110% => OK
words length more than 7 chars: 0.196153846154 0.187439937562 105% => OK
words length more than 8 chars: 0.119230769231 0.113142543107 105% => OK
Word Length SD: 2.71856427476 2.5805825403 105% => OK
Unique words: 151.0 145.348785872 104% => OK
Unique words percentage: 0.580769230769 0.539623497131 108% => OK
Word variations: 59.6401195893 53.8517498576 111% => OK
How many sentences: 12.0 13.0529801325 92% => OK
Sentence length: 21.6666666667 21.7502111507 100% => OK
Sentence length SD: 33.9004875416 49.3711431718 69% => OK
Chars per sentence: 133.75 132.220823453 101% => OK
Words per sentence: 21.6666666667 21.7502111507 100% => OK
Discourse Markers: 0.583333333333 0.878197800319 66% => OK
Paragraphs: 4.0 4.09492273731 98% => OK
Language errors: 2.0 3.39072847682 59% => OK
Readability: 53.2051282051 50.5018328374 105% => OK
Elegance: 1.5 1.90840788429 79% => OK
Coherence and Cohesion:
Essay topic to essay body coherence: 0.359503301399 0.549887131256 65% => OK
Sentence sentence coherence: 0.0962361412591 0.142949733639 67% => OK
Sentence sentence coherence SD: 0.0547136170902 0.0787303798458 69% => OK
Sentence paragraph coherence: 0.616767643521 0.631733273073 98% => OK
Sentence paragraph coherence SD: 0.0830397710812 0.139662658121 59% => OK
Sentence topic coherence: 0.186043750907 0.266732575781 70% => OK
Sentence topic coherence SD: 0.105485883637 0.103435571967 102% => OK
Paragraph paragraph coherence: 0.420279277709 0.414875509568 101% => OK
Paragraph paragraph coherence SD: 0.0765009945206 0.0530846634433 144% => OK
Paragraph topic coherence: 0.272412942933 0.40443939384 67% => OK
Paragraph topic coherence SD: 0.060621819574 0.0528353158467 115% => OK
Task Achievement:
Sentences with positive sentiment : 5.0 4.33554083885 115% => OK
Sentences with negative sentiment : 3.0 4.45695364238 67% => OK
Sentences with neutral sentiment: 4.0 4.26048565121 94% => OK
Positive topic words: 4.0 3.49668874172 114% => OK
Negative topic words: 2.0 3.62251655629 55% => OK
Neutral topic words: 3.0 3.1766004415 94% => OK
Total topic words: 9.0 10.2958057395 87% => OK
What are sentences with positive/Negative/neutral sentiment?
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Rates: 86.6666666667 out of 100
Scores by essay e-grader: 26.0 Out of 30
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Note: This is not the final score. 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.