Humans arrived in the Kaliko Islands about 7,000 years ago, and within 3,000 years most of the large mammal species that had lived in the forests of the Kaliko Islands were extinct. Previous archaeological findings have suggested that early humans generally relied on both fishing and hunting for food; since archaeologists have discovered numerous sites in the Kaliko Islands where the bones of fish were discarded, it is likely that the humans also hunted the mammals. Furthermore, researchers have uncovered simple tools, such as stone knives, that could be used for hunting. The only clear explanation is that humans caused the extinction of the various mammal species through excessive hunting.
The author of the statement concludes that a tremendous number of mammals have extincted due to the excessive hunting. Close scrutiny of the studies and the evidences presented in the argument reveals that they lend little creditable support to the recommendation.
First, as the statement above is replete with equivocal conditions, the statement is open to different explanations. The alternative explanation is pertaining to the natural factors. As a matter fact, there is various reasons for this extinction such as climate change and temperature air. Indeed an excessive number of mammal are considerably sensitive to the air variation. Besides, lack of nourishment is an another factor for this event as well. Moreover, an excessive competition would be an effective reason for this occurrence. As a consequence, paying more heed to others factors is highly imperative without any shadow of doubt.
Second, we can point out the human activities such as hunting is a pivotal role for this matter, Nevertheless, other activities which is associating with human would be crucial not just hunting. Indeed, we can investigate that deforestation which is a human activity has a profound impact for extinction. Furthermore, various people brought up a considerable number of virus and diseases to this region. As a result, many mammals might be extinct since these factors.
Finally, the assertion claims that knife is an explicit tool for hunting. In my view perspective, knife has a various uses such as fruit and plant or it is a powerful tool for defensive. Hence, observing knife would not be a major reason for hunting. In fact, using knife has several roles in our lives without hesitation.
In short, as discussed, the author’s argument lacks necessary evidence affirming the author’s conclusion. Not being supported by evidence, the argument is open to different explanations. With each rival explanation being potentially possible, the argument fails to be persuasive.
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Comments
Dear essayE-rater,
Dear essayE-rater,
You evaluate our arguments that are unacceptable. Why?
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Can you give more details why you think so?
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testbig support
argument 1 -- not OK
argument 2 -- OK
argument 3 -- not OK
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http://www.testbig.com/gmatgre-argument-task-essays/humans-arrived-kali…
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Attribute Value Ideal
Score: ? out of 6
Category: Poor Excellent
No. of Grammatical Errors: 0 2
No. of Spelling Errors: 0 2
No. of Sentences: 20 15
No. of Words: 311 350
No. of Characters: 1623 1500
No. of Different Words: 175 200
Fourth Root of Number of Words: 4.199 4.7
Average Word Length: 5.219 4.6
Word Length SD: 2.951 2.4
No. of Words greater than 5 chars: 125 100
No. of Words greater than 6 chars: 101 80
No. of Words greater than 7 chars: 71 40
No. of Words greater than 8 chars: 55 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 15.55 21.0
Sentence Length SD: 5.172 7.5
Use of Discourse Markers (%): 0.6 0.12
Sentence-Text Coherence: 0.276 0.35
Sentence-Para Coherence: 0.526 0.50
Sentence-Sentence Coherence: 0.083 0.07
Number of Paragraphs: 5 5