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summarize three theories mentioned in the reading and the points in the lecture about cause of extinctions

summarize three theories mentioned in the reading and the points in the lecture about cause of extinctions D6yGo
The reading states that three theories explain the big extinction which happened at the end of the Triassic period and killed half of the species and provided domination of dinosaurs. It provides three reasons to support this claim. On the other hand, the professor opposes this argument and refutes each of the points made in the reading. First, the reading claims that the sea levels went down and many species that were living in shallow water or coastal areas died. This led to a breakdown in the food chain and caused the death of other species. However, the professor mentions that usually sea levels change from time to time, and it often goes down. The species that live in coastal and shallow-water ecosystems are capable of adapting to the changes. He also mentions that In order of an enormous extinction, such as the one that happened in the Triassic period, a sudden change of sea level was needed, while falling the sea levels at that time was gradually and it could not cause a huge death. Second, the passage states that vast volcanic activities happened at that time and produced huge amounts of SO2, following by which, reduced the temperature of the Earth and killed species. The professor opposes this idea and believes that SO2 only stays in the air for a short time and then combines with water in the atmosphere and turns back to the surface of the Earth. So, this gas could not decrease the temperature for a long time and bring death to a vast number of animals on the Earth. Third, the passage argues that there was an asteroid that hit the surface of the Earth and left a great amount of dust spreading in the atmosphere and blocked the sunlight, thus animals died without getting sunlight. However, the professor refutes this idea and mentions that a few scientists believe that an asteroid might have hit the surface of the Earth and also she adds that, no crater, where the asteroid hit, was found and the only one that was found was related to twelve million years before extinction. She believes that it is a very long time to do anything with extinction.
The reading states that three theories
This phrase/word (depending on the context) can be potentially replaced with :
explain
the
This phrase/word is too simple and can be replaced with:
big
You use this word too often, consider replacing it with
extinction
which happened at the
This phrase/word (depending on the context) can be potentially replaced with :
end
of the Triassic period and killed half of the species and provided domination of dinosaurs. It provides three reasons to support this claim.
On the other hand
, the
You use this word too often, consider replacing it with
professor
opposes this argument and refutes each of the points made in the reading.

First
, the reading claims that the
You use this word too often, consider replacing it with
sea
You use this word too often, consider replacing it with
levels
went down and
This phrase/word is too simple and can be replaced with:
many
species that were living in shallow water or coastal areas
This phrase/word (depending on the context) can be potentially replaced with :
died
. This led to a breakdown in the food chain and caused the death of other species.
However
, the
You use this word too often, consider replacing it with
professor
mentions that
usually
You use this word too often, consider replacing it with
sea
You use this word too often, consider replacing it with
levels
This phrase/word (depending on the context) can be potentially replaced with :
change
from
You use this word too often, consider replacing it with
time
to
You use this word too often, consider replacing it with
time
, and it
This phrase/word is too simple and can be replaced with:
often
goes down. The species that
This phrase/word (depending on the context) can be potentially replaced with :
live
in coastal and shallow-water ecosystems are capable of adapting to the
This phrase/word (depending on the context) can be potentially replaced with :
changes
. He
also
mentions that In order of an enormous
You use this word too often, consider replacing it with
extinction
, such as the one that happened in the Triassic period, a sudden
This phrase/word (depending on the context) can be potentially replaced with :
change
of
You use this word too often, consider replacing it with
sea
You use this word too often, consider replacing it with
level
was needed
, while falling the
You use this word too often, consider replacing it with
sea
You use this word too often, consider replacing it with
levels
at that
You use this word too often, consider replacing it with
time
was
gradually
and it could not cause a huge death.

Second, the passage states that vast volcanic activities happened at that
You use this word too often, consider replacing it with
time
and produced huge amounts of SO2, following by which,
This phrase/word (depending on the context) can be potentially replaced with :
reduced
the temperature of the
You use this word too often, consider replacing it with
Earth
and killed species. The
You use this word too often, consider replacing it with
professor
opposes this
This phrase/word (depending on the context) can be potentially replaced with :
idea
and believes that SO2
This phrase/word (depending on the context) can be potentially replaced with :
only
stays in the air for a short
You use this word too often, consider replacing it with
time
and then combines with water in the atmosphere and turns back to the surface of the
You use this word too often, consider replacing it with
Earth
.
This phrase/word is too simple and can be replaced with:
So
, this gas could not decrease the temperature for a long
You use this word too often, consider replacing it with
time
and bring death to a vast number of animals on the Earth.

Third, the passage argues that there was an asteroid that hit the surface of the
You use this word too often, consider replacing it with
Earth
and
This phrase/word (depending on the context) can be potentially replaced with :
left
a great amount of dust spreading in the atmosphere and blocked the sunlight,
thus
animals
This phrase/word (depending on the context) can be potentially replaced with :
died
without getting sunlight.
However
, the
You use this word too often, consider replacing it with
professor
refutes this
This phrase/word (depending on the context) can be potentially replaced with :
idea
and mentions that a few scientists believe that an asteroid might have hit the surface of the
You use this word too often, consider replacing it with
Earth
and
also
she
This phrase/word (depending on the context) can be potentially replaced with :
adds
that, no crater, where the asteroid hit,
was found
and the
This phrase/word (depending on the context) can be potentially replaced with :
only
one that
was found
was related
to twelve million years
This phrase/word is too simple and can be replaced with:
before
You use this word too often, consider replacing it with
extinction
. She believes that it is a
This phrase/word is too simple and can be replaced with:
very
long
You use this word too often, consider replacing it with
time
to do anything with
You use this word too often, consider replacing it with
extinction
.
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IELTS essay summarize three theories mentioned in the reading and the points in the lecture about cause of extinctions

Essay
  American English
4 paragraphs
368 words
6.0
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: 5.5
  • 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: 6.0
  • 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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