首页
登录
职称英语
In the wild, the sense of smell fulfils animals basic needs, like the search
In the wild, the sense of smell fulfils animals basic needs, like the search
游客
2023-12-08
6
管理
问题
In the wild, the sense of smell fulfils animals basic needs, like the search for food. A hungry polar bear living in a barren and frozen landscape can smell the carcass of a seal over great distances, and it can also tell from the smell whether the carcass is going to be fit to eat or not.
Animals that live on land receive scent messages through the air, but scents can be detected in water too. Sharks have a highly efficient sense of smell, and the hammerhead shark has evolved its strange shaped head in order to make it an even more efficient hunter. The hammerhead can detect blood at several hundred meters. It has nostrils at each end of its T-shaped head, and by moving its head from side to side it can home in on its prey, by following the stronger of the two scent signals.
选项
答案
在荒野,嗅觉能满足动物的基本需求,如觅食。一只生活在荒芜的冰冻地带的饥饿的北极熊能够嗅到远处的海豹尸体,而且它还能从气味上判断这尸体能否食用。
生活在陆地上的动物通过空气接受气味信息,但气味在水中同样能被察觉。鲨鱼具有高度灵敏的嗅觉,槌头双髻鲨的头部已进化成奇特的形状,这使它成为一名更高明的猎手。槌头双髻鲨可嗅到几百米外的血腥味。它在T形头部的两侧各有一个鼻孔,通过左右摆动,追踪两个气味信号中较强的一个,找到猎物.
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3255473.html
相关试题推荐
AmericanGroupDynamicsToday,inWesternresearchinstitutesa
AmericanGroupDynamicsToday,inWesternresearchinstitutesa
AmericanGroupDynamicsToday,inWesternresearchinstitutesa
AmericanGroupDynamicsToday,inWesternresearchinstitutesa
AmericanGroupDynamicsToday,inWesternresearchinstitutesa
Researchshowsthateveryonedreamsquitefrequentlyeverynight.Weusually
Researchshowsthateveryonedreamsquitefrequentlyeverynight.Weusually
Researchshowsthateveryonedreamsquitefrequentlyeverynight.Weusually
Researchshowsthateveryonedreamsquitefrequentlyeverynight.Weusually
Researchshowsthateveryonedreamsquitefrequentlyeverynight.Weusually
随机试题
RadianceExistsEverywhereA)Doyoubelieve,asIusedt
GrowingupasanAsianinBritainismuchmorethanaquestionoffacingdis
Everytimeweopenourmouthsandspeakwe【C1】______ourselves—IamEnglish
WhatisthemostlikelycauseofAngeloReyes’suicide?[originaltext](29)A
王某的购房抵押贷款为30万元,按贷款合同约定,贷款年利率为7.8%,贷款期限为2
下列哪项与布洛芬不符A.属于芳基烷酸类B.临床上用其R异构体C.体内R(-)异构
红色旅游是指以1921年中国共产党建立以后的革命纪念地、纪念物及其所承载的革命精
风景名胜区规划管理的任务是根据可持续发展的原则,正确处理( )的关系,采取行之
康熙重臣()为山西晋城人。A.张玉书 B.陈廷敬 C.张廷玉 D.于
黄芪的功效为A.补气升阳 B.益卫固表 C.托毒生肌 D.利水消肿 E.
最新回复
(
0
)