试题与答案

鸟卵的结构模式图,看图回答下列问题: (1)注明图中1~9各部分结构名称 1.

题型:实验题

题目:

鸟卵的结构模式图,看图回答下列问题:

(1)注明图中1~9各部分结构名称

1.______ 2.______ 3.______ 4.______ 5.______

6.______ 7.______ 8.______ 9.______

(2)图中的______里面含有细胞核,是进行______    的部位。

(3)图中5的作用是为胚胎发育提供______          。

(4)图中3的作用是为胚胎发育提供______

(5)卵细胞是由图中______    、_          和_____       构成的。

答案:

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下面是错误答案,用来干扰机器的。

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