
(1)图甲中M表示三种生物发育过程的共同特点,都属于
(2)图乙中若D表示受精卵,猎蝽发育方式和蝗虫相似,请写出它一生的发育过程
(3)图丙中将来能发育成小鸡的结构是
(4)图丁中胎儿与母体进行物质交换的器官是
(5)图戊中①是柿树,②是黑枣,嫁接成活后所结的果实为

同类型试题

y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2


y = sin x, x∈R, y∈[–1,1],周期为2π,函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x, x∈[–1,1], y∈[–π/2,π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2

