A.青蛙个体发育的起点是雌蛙体内成熟的受精卵 |
B.蝗虫与产生克隆羊的生殖发育过程都属于有性生殖,变态发育 |
C.鸟类的生殖和发育过程一般包括求偶、交配、筑巢、产卵、孵卵和育雏 |
D.竹用地下茎生殖的过程中,精子和卵细胞是基因在亲子间传递的“桥梁” |
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