首页
登录
职称英语
Small dogs generally live longer than big dogs so that small Yorkshire terri
Small dogs generally live longer than big dogs so that small Yorkshire terri
游客
2024-05-08
16
管理
问题
Small dogs generally live longer than big dogs so that small Yorkshire terrier (猎狐狗) next door could be around for a long time. But body size isn’t the only factor that【B1】______how long dogs survive. Personality influences life span, too, according to a new study that might help explain how animal【B2】______evolve.
Study on animals from ants to apes has found that different【B3】______have different personalities. Some are timid, others【B4】______. Biologists have proposed that temperaments (性情) evolved along with life history.【B5】______, violent animals use a lot of energy fast in【B6】______short lives, the thinking goes, whereas calmer animals last longer, saving themselves to【B7】______ later in life. But it’s hard to run evolutionary【B8】______on these personalities in anything longer lived than a fruit fly. So evolutionary biologist Vincent from Canada came up with an idea about dogs. "All these breed differences reflect an experiment on artificial selection," says Vincent.【B9】______—the ability to chase foxes into holes, or herd sheep, or sit attractively on a sofa.
But evolutionary physiologist Joseph Williams of Ohio State University in Columbus isn’t convinced that 【B10】______. "For me, it still remains to be seen. Dogs are contrary to what you would expect in nature in terms of longevity," he says.【B11】______. On the other hand, a Chihuahua will generally outlast a Saint Bernard. [br] 【B9】
选项
答案
The huge diversity of dogs resulted not from natural selection, but from generations of humans selecting animals with traits
解析
huge, diversity, resulted, natural selection, humans, selecting, traits
转载请注明原文地址:https://tihaiku.com/zcyy/3588977.html
相关试题推荐
SmalldogsgenerallylivelongerthanbigdogssothatsmallYorkshireterri
SmalldogsgenerallylivelongerthanbigdogssothatsmallYorkshireterri
SmalldogsgenerallylivelongerthanbigdogssothatsmallYorkshireterri
SmalldogsgenerallylivelongerthanbigdogssothatsmallYorkshireterri
SmalldogsgenerallylivelongerthanbigdogssothatsmallYorkshireterri
ThecounselorwarnedBrianandCherythattheywouldnolongerbeAmericancitiz
ThecounselorwarnedBrianandCherythattheywouldnolongerbeAmericancitiz
ThecounselorwarnedBrianandCherythattheywouldnolongerbeAmericancitiz
ThecounselorwarnedBrianandCherythattheywouldnolongerbeAmericancitiz
ThecounselorwarnedBrianandCherythattheywouldnolongerbeAmericancitiz
随机试题
—Whatafineday!Shallwegopicnicking?—______Butweneedtobehomesixo’c
,则()中矩阵在实数域上与A合同.
企业内部管理有相关要求的,还可以按照现代企业多维度、多层次的管理要求,确定多元化
下列关于简化分批法缺点的描述正确的是()。A.各批未完工产品基本生产成本明细账内
民用建筑工程所选用的建筑和装修材料必须符合《民用建筑工程室内环境污染控制规范》G
某公司2019年净利润为1200万元,所得税费用为400万元,财务费用中的利息费
下列关于急性水肿性胰腺炎的叙述中,哪个是错误的A.较易发生休克 B.常继发于胆
治疗寒湿凝滞之痛经,首选方剂为A、膈下逐瘀汤 B、少腹逐瘀汤 C、暖肝煎
耳屏前,下颌骨髁状突的后方,张口时呈凹陷处的腧穴是A.耳门 B.听宫 C.听
根据《中华人民共和国未成年人保护法》的有关规定,下列选项属于学生享有的权利的是(
最新回复
(
0
)