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TPO-43 - Integrated Writing Task Agnostids were a group of marine animals that became extinct about 450 million years ago. Agnostid fossils can be found in rocks in many areas around the world. From the fossil remains, we know that agnostids were primitiv

TPO-43 - Integrated Writing Task Agnostids were a group of marine animals that became extinct about 450 million years ago. Agnostid fossils can be found in rocks in many areas around the world. From the fossil remains, we know that agnostids were primitiv QLKP9
Reading and lecture discuss some theories about agnostids' possible lifestyle. On the one hand, the writer proposes some theories, providing three reasons of support. However, the lecturer casts doubts on the claims made by the writer, saying that his statements have serious weaknesses. First, the agnostids weren't free-swimming predators as the writer sustains. This is because arthropods have large, well-developed eyes which help in tracking and catching the prey. Whereas, the agnostids used to have tiny, poorly-developed eyes, and in addition to this some were blind. At least they should have had another feature to help in the process of hunting, but no proof was found. Therefore, the agnostids could not have been free-swimming predators. Second, seafloor dwellers live in a localized area, and they occupy only a small geographical place, and moreover, seafloor dwellers do not move fast. The writer asserts that agnostids were seafloor dwellers because other primitive arthropods were living this way. Anyway, the lecturer refutes this idea, adding that agnostids occupied large geographical areas, and this means that they were moving fast from one place to another, on long distances. Thus, this standpoint is directly contradicted. Third, the last theory is not plausible as well, because parasites live on animals in small numbers. Otherwise, a large population of parasites can kill the animal. The proofs found in the fossils show that these marine animals used to live in large populations and, as a result, the last theory does not stand up.
Reading and lecture discuss
some
theories
about
agnostids
' possible lifestyle. On the one hand, the
writer
proposes
some
theories
, providing three reasons of support.
However
, the lecturer casts doubts on the claims made by the
writer
, saying that his statements have serious weaknesses.

First
, the
agnostids
weren't free-swimming predators as the
writer
sustains. This is
because
arthropods have
large
, well-developed eyes which
help
in tracking and catching the prey. Whereas, the
agnostids
used
to have tiny,
poorly
-developed eyes, and
in addition
to this
some
were blind. At least they should have had another feature to
help
in the process of hunting,
but
no proof
was found
.
Therefore
, the
agnostids
could not have been free-swimming predators.

Second, seafloor dwellers
live
in a localized area, and they occupy
only
a
small
geographical place, and
moreover
, seafloor dwellers do not
move
fast
. The
writer
asserts that
agnostids
were seafloor dwellers
because
other primitive arthropods were living this way. Anyway, the lecturer refutes this
idea
, adding that
agnostids
occupied
large
geographical areas, and this means that they were moving
fast
from one place to another, on long distances.
Thus
, this standpoint is
directly
contradicted.

Third, the last
theory
is not plausible
as well
,
because
parasites
live
on animals in
small
numbers.
Otherwise
, a
large
population of parasites can kill the animal. The proofs found in the fossils
show
that these marine animals
used
to
live
in
large
populations and,
as a result
, the last
theory
does not stand up.
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IELTS essay TPO-43 - Integrated Writing Task Agnostids were a group of marine animals that became extinct about 450 million years ago. Agnostid fossils can be found in rocks in many areas around the world. From the fossil remains, we know that agnostids were primitiv

Essay
  American English
4 paragraphs
245 words
This writing has been penalized,
text can't be
less than 250 words in Task 2
and less than 150 words in Task 1
5.0
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: 6.5
  • 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
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