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TOEFL integrated Question: the extinction of Steller's sea cow.

TOEFL integrated Question: the extinction of Steller's sea cow. kYEmd
Both the reading and the lecture discuss three theories about the main causes of Steller's sea cow extinction. While the author claims that these theories contribute to the main causes of this event, the professor disagrees and provides some pieces of evidence to state that these theories would not be the major reason of this phenomenon. First, the reading says that overhunting of the sea cows by native Siberian people could be the key factor of the extinction of this animal. However, the lecturer disagrees. According to the lecturer, each sea cow was so big so that it could supply enough food resource for the whole village for a long period of time, so it was necessary for the residents to kill a large number of this animal to gain sufficient food supply. Second, according to the reading passage, some ecosystem changes occurred near Beriling Island which resulted in the reduction of kelp, which was the main food of sea cow. As a result, sea cows encountered with the deficient food supply and subsequently their population decreased because of lack of food. Conversely, the lecturer disproves this point. He points out that if that change in environment was too severe that it could led to the destruction of kelp plant, we must have other evidences of the extinction of other marine animals such as whales. However, there is not any evidence of such extinction; therefore, this hypothesis is not credited either. Third, the reading passage points out that asserts the sea cows might be haunted by fur traders in order to obtain their fur. It refers to the chronological evidences that shows that the number of sea cows gradually diminished after the settlement of these trader. On the other hand, the professor rejects this hypothesis and he argues that it seems that something caused the reduction of sea cows long before the time when fur traders inhabit on the island because there are some evidences that indicate that there was a small number of sea cows remained when the traders first came to the island.
Both the
You use this word too often, consider replacing it with
reading
and the lecture discuss three theories about the main causes of
Possible spelling mistake found.
Steller
's
You use this word too often, consider replacing it with
sea
You use this word too often, consider replacing it with
cow
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extinction
. While the author claims that these theories contribute to the main causes of this
This phrase/word (depending on the context) can be potentially replaced with :
event
, the professor disagrees and provides
This phrase/word is too simple and can be replaced with:
some
pieces of
You use this word too often, consider replacing it with
evidence
to state that these theories would not be the major reason of this phenomenon.

First
, the
You use this word too often, consider replacing it with
reading
says that overhunting of the
You use this word too often, consider replacing it with
sea
You use this word too often, consider replacing it with
cows
by native Siberian
This phrase/word (depending on the context) can be potentially replaced with :
people
could be the key factor of the
You use this word too often, consider replacing it with
extinction
of this animal.
However
, the lecturer disagrees. According to the lecturer, each
You use this word too often, consider replacing it with
sea
You use this word too often, consider replacing it with
cow
was
This phrase/word is too simple and can be replaced with:
so
This phrase/word is too simple and can be replaced with:
big
This phrase/word is too simple and can be replaced with:
so
that it could supply
This phrase/word is too simple and can be replaced with:
enough
You use this word too often, consider replacing it with
food
resource for the whole village for a long period of time,
This phrase/word is too simple and can be replaced with:
so
it was necessary for the residents to kill
Specify a number, remove phrase, or simply use "many" or "numerous"
a large number of
this animal to gain sufficient
You use this word too often, consider replacing it with
food
supply.

Second, according to the
You use this word too often, consider replacing it with
reading
passage,
This phrase/word is too simple and can be replaced with:
some
ecosystem
This phrase/word (depending on the context) can be potentially replaced with :
changes
occurred near
Possible spelling mistake found.
Beriling
Island which resulted in the reduction of kelp, which was the main
You use this word too often, consider replacing it with
food
of
You use this word too often, consider replacing it with
sea
You use this word too often, consider replacing it with
cow
.
As a result
,
You use this word too often, consider replacing it with
sea
You use this word too often, consider replacing it with
cows
encountered with the deficient
You use this word too often, consider replacing it with
food
supply and
subsequently
their population decreased
This phrase/word is too simple and can be replaced with:
because
of lack of
You use this word too often, consider replacing it with
food
.
Conversely
, the lecturer disproves this point. He points out that if that
This phrase/word (depending on the context) can be potentially replaced with :
change
in environment was too severe that it could
The verb 'could' requires the base form of the verb: "lead"
led
to the destruction of kelp plant, we
This phrase/word (depending on the context) can be potentially replaced with :
must
have other
You use this word too often, consider replacing it with
evidences
of the
You use this word too often, consider replacing it with
extinction
of other marine animals such as whales.
However
, there is not any
You use this word too often, consider replacing it with
evidence
of such
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extinction
;
therefore
, this hypothesis is not credited either.

Third, the
You use this word too often, consider replacing it with
reading
passage points out that asserts the
You use this word too often, consider replacing it with
sea
You use this word too often, consider replacing it with
cows
might
be haunted
by fur
You use this word too often, consider replacing it with
traders
in order to obtain their fur. It refers to the chronological
You use this word too often, consider replacing it with
evidences
that
This phrase/word (depending on the context) can be potentially replaced with :
shows
that the number of
You use this word too often, consider replacing it with
sea
You use this word too often, consider replacing it with
cows
gradually
diminished after the settlement of these
You use this word too often, consider replacing it with
trader
.
On the other hand
, the professor rejects this
Use a comma before 'and' if it connects two independent clauses (unless they are closely connected and short).
hypothesis and
he argues that it seems that something caused the reduction of
You use this word too often, consider replacing it with
sea
You use this word too often, consider replacing it with
cows
long
This phrase/word is too simple and can be replaced with:
before
the time when fur
You use this word too often, consider replacing it with
traders
inhabit on the island
This phrase/word is too simple and can be replaced with:
because
there are
This phrase/word is too simple and can be replaced with:
some
You use this word too often, consider replacing it with
evidences
that indicate that there was a
This phrase/word is too simple and can be replaced with:
small
number of
You use this word too often, consider replacing it with
sea
You use this word too often, consider replacing it with
cows
remained when the
You use this word too often, consider replacing it with
traders
first
came to the island.
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IELTS essay TOEFL integrated Question: the extinction of Steller's sea cow.

Essay
  American English
4 paragraphs
345 words
5.5
Overall Band Score
Coherence and Cohesion: 5.5
  • Structure your answers in logical paragraphs
  • ?
    One main idea per paragraph
  • Include an introduction and conclusion
  • Support main points with an explanation and then an example
  • Use cohesive linking words accurately and appropriately
  • Vary your linking phrases using synonyms
Lexical Resource: 5.0
  • Try to vary your vocabulary using accurate synonyms
  • Use less common question specific words that accurately convey meaning
  • Check your work for spelling and word formation mistakes
Grammatical Range: 6.0
  • Use a variety of complex and simple sentences
  • Check your writing for errors
Task Achievement: 5.0
  • Answer all parts of the question
  • ?
    Present relevant ideas
  • Fully explain these ideas
  • Support ideas with relevant, specific examples
Labels Descriptions
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    Currently is not available
  • Meet the criteria
  • Doesn't meet the criteria
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