| 20℃ | 24℃ | 26℃ | 28℃ | 30℃ | 32℃ | 34℃ | 36℃ |
密西西比鳄 | 0 | 0 | 0 | 10 | 20 | 50 | 100 | 100 |
红海龟 | 100 | 100 | 100 | 90 | 50 | 20 | 0 | 0 |
龟 | 0 | 10 | 60 | 100 | 60 | 30 | 0 | 0 |
绿草蜥 | 51 | 50 | 50 | 49 | 51 | 50 | 49 | 50 |
请据上表所提供的数据分析回答:
⑴性别分化不受温度影响的是______________
⑵图是上表中___________的性别发育与温度的关系,该关系的特点是__________。今有多种假设,请根据以上实验的启示,提出一种合理的假设________
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