托福综合写作题目：吸血乌贼依靠海洋雪

　　本文托福综合写作题目为吸血乌贼依靠海洋雪（2016年12 月3日托福考试写作）

　　托福综合写作范文Sample answer:

　　The writer and the speaker have a debate on vampire squids. The writer points out that they are indeed feed on marine snow, which is opposed by the following lecture.

　　First, the writer claims that since marine snow lives in the deep ocean, Vampire squids will die because of lack of oxygen. While the speaker views this issue from an opposite angle, according to him/her, different from many ocean predators which need to exert their muscle energy when they chase prey, it is not necessary for the vampire squids to chase prey. It is because marine snow would flow down constantly in minimum oxygen zones. So they require less oxygen to survive in the deep ocean.

　　Secondly, the passage states that vampire squids would be in danger because of predators. However, the speaker casts doubt on this opinion by saying that the squids can be protected against the danger of keeping motionless to feed. It is difficult for the predators to spot the dark-colored squids in the deep waters where is lack of light. Also, the squids can produce natural light on their body surfaces to scare predators when they are spotted by predators.

　　Last, the writer argues that vampire squids, which belong to groups of cephalopods, have different diet from other cephalopods. By contrast, in accordance with the speaker, this claim does not hold water. The special diet of squids brings them a big advantage to compete for food with other animals. The reason is that they live in an area of the ocean in which most other animals cannot survive.

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