When crayfish are kept continuously in the dark, even for four to five months, their compound eyes continue to adjust on a daily schedule for daytime and nighttime vision.
2
所有尾感器拥有复眼。
All phasmids possess compound eyes.
3
下巴突出的昆虫的复眼之间没有顶点。
In prognathous insects, the vertex is not found between the compound eyes.