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科学复习

Authored by 筱 糅

Science

12th Grade - University

Used 4+ times

科学复习
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下何者不是胎生的优点?

恶劣的环境对胚胎的伤害甚小

受精卵通过胎盘从母体获取营养

可以一次产多个幼儿

受精卵受到良好的保护

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪一个是卵胎生?

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3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

卵生动物的受精卵在胚胎发育过程中,所需要的养分来自于何处?

卵白

卵黄

胚盘

卵膜

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列动物属于体外受精的是( )。

昆虫

鸟类

哺乳类

两栖类

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪种动物进行体内受精?

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6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列哪一生物是体内受精、胎生?

鲨鱼

鲸鱼

鸭嘴兽

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

下列各种动物中,受精方式属于体内受精、生殖方式属于卵生的是( )。

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