The lecture explains the ongoing investigation of the declining of sea otters on the Alaskan Coast. The lecture says that the main three reasons of declining of sea otters are first, predation is the cause of the decline of sea otters not the pollution. Pollution theory is weakened by the fact that no one can find any dead sea otter on the island on the other hand if the predator probably have killed the sea otters by which it can’t immediately wash up on the shore. Second, although orcas prefer to hunt whales but it is the human who have killed whales that means orcas have to change their diet to survive on the island and now since only smaller sea mammals are available orcas have started hunting those. So, probably the seals and sea lions are declining because of the orcas. Third, the lecture also says that predation theory could also explain that an uneven pattern of otter decline can be better explained by the orca theory rather than by the pollution theory. what happen to sea otter depends on the location which is easily accessible or not. Sea otters are large and they can’t access shallow and hide in rocky location. Shallow and rocky locations are different types of population where the sea otter have not decline
- TOEFL integrated writing: Dutch painter Rembrandt 73
- Many parts of the world are losing important natural resources such as forests animals or clean water Choose one resource that is disappearing and explain why it needs to be saved Use specific reasons and examples to support your opinion 67
- TOEFL integrated writing: fuel-cell engines 77
- The following appeared in a report presented for discussion at a meeting of the directors of a company that manufactures parts for heavy machinery:“The falling revenues that the company is experiencing coincide with delays in manufacturing. These delays, 50
- The following appeared in a memorandum written by the assistant manager of a store that sells gourmet food items from various countries:“A local wine store made an interesting discovery last month: it sold more French than Italian wine on days when it pla 40
Sentence: Shallow and rocky locations are different types of population where the sea otter have not decline
Suggestion: replace decline to declined.
flaws:
Number of Paragraphs: 1 4
Not on the right format.
The correct pattern:
para 1: introduction
para 2: doubt 1
para 3: doubt 2
para 4: doubt 3
Read sample essays from ETS:
http://www.testbig.com/users/toeflwritingmaster
Attribute Value Ideal
Score: 21 in 30
Category: Good Excellent
No. of Grammatical Errors: 1 2
No. of Spelling Errors: 0 2
No. of Sentences: 8 10
No. of Words: 219 250
No. of Characters: 1010 1200
No. of Different Words: 116 150
Fourth Root of Number of Words: 3.847 4.3
Average Word Length: 4.612 4.6
Word Length SD: 2.204 2.4
No. of Words greater than 5 chars: 70 80
No. of Words greater than 6 chars: 44 60
No. of Words greater than 7 chars: 24 40
No. of Words greater than 8 chars: 16 20
Use of Passive Voice (%): 0 0
Avg. Sentence Length: 27.375 21.0
Sentence Length SD: 13.638 7.5
Use of Discourse Markers (%): 0.625 0.12
Sentence-Text Coherence: 0.47 0.35
Sentence-Para Coherence: 0.47 0.50
Sentence-Sentence Coherence: 0.158 0.07
Number of Paragraphs: 1 4