a wrinting about the Antlers

the author and the lecturer both talk about the antlers. the author states several ideas about usage of the antlers, in contrast, the lecturer chalenges the authors' ideas by the results of the latest research about deers. first of all, the author thinks the antlers can dissipationing the heat. also, it have effects on deers' blood by cooling it before returining to the deers body. however, the lecturer states that if it is true, why these antlers not grow after summers? also, we can see the deers which are living in hotter regions, have the smaller antlers than the others. second, the author suggests that antlers can help deers to protect themselves from hunters, or fight with them. on the other hand, the lecturer againsts with the idea. he says, if it is used as a defense, femails should have antlers too. in addition, the deers from other areas use their legs and skape the hunters to protect themselves. finally, the author says the antlers help the deers to win the females in males competitons. also, it makes them stronger. while, on lecturers side, it is not true. because it has not been prooven the smaller deers always loose the competitions between the other males. as we know, they have more issues in singing. in a conclusion, the author and the lecturer both agrees with the antlers have several usages. while, the author believes the antlers help deers the defend themeselves, win competitons and dissipation the heat, the lecturer does not believe the same.