
脊椎动物2/2
Quiz
•
Science
•
7th Grade
•
Practice Problem
•
Hard
Irene Yingye Ling
Used 7+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
大山雀是野外常见的鸟类,下列叙述与大山雀适于飞行生活的特征不相符的是
A.体表被羽,前肢变成翼
B.胸肌发达,为飞行提供动力
C.有气囊可辅助肺呼吸
D.足纤细,善于抓握
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
我国某地流传的"骨笛"是用一种内部中空、轻而坚固的长骨制成的乐器。你认为下列动物的骨骼中最适合制作"骨笛"的是
A.青蛙
B.老鹰
C.猫
D.乌龟
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
鸡在觅食的过程中会吃进一些小石子,下列解释正确的是
A.视力较差,导致误食
B.没有牙齿,借助石子磨碎胃里的食物
C.补充体内缺乏的微量元素
D.食物不够,以小石子充饥
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
哺乳动物后代存活率较高的主要原因是
A.神经系统发达
B.牙齿有分化
C.被毛,恒温
D.胎生,哺乳
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如图所示的动物叫星鼻鼹,鼻子上的触手能够帮助它捕食。它体表被毛、用肺呼吸、用乳汁哺育后代。下列动物中与它属于同一类群的是
A.娃娃鱼
B.蜘蛛蟹
C.蝙蝠
D.鳖
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列属于哺乳动物和鸟类共同特征的是
A.牙齿分化
B.体温恒定
C.胎生哺乳
D.有肺和气囊
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
恒定的体温有利于恒定的体温有利于:
①减少动物对环境的依赖性②增强动物对环境的适应能力
③扩大动物的分布范围
A.①
B.①②③
C.②③
D.①②
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