Hammer shark

In the lecture, the professor plays plays suspicion on the idea put forwarded by reading material about the usage of the head of hammer shark is tenable for due to the following ideas:

First of all, in the reading, hammerhead shark can improve its turning speed by using its head which benefits from its angular line shape. On the contrary,the professor said says that hammer shark do turn very swiftly, while the reason of which is not because it has this kind of head. The experiment is not faithful because it fails to consider the factor of the age of sharks.

Secondly,the reading indicates that hummer shark can enhance the sensitivity of the electromagnetic field.However,the professor disapproves this point by pointing out that all kinds of the sharks have the similarly similar ability to detect the electromagnetic field.

In the end, the point that the professor uses to cast doubt on the reading is the head can be utilized as a weapon.The professor claims that the sharks eyes too close to its head which is very vulnerable,which contradicts what reading paragraph indicates. 两个which搞得太复杂了