Which of the following is evidence that all animal vision has evolved from a common origin?
A)All animals use the same light-sensitive organs.
B)All animals use the photopigment opsin to sense light.
C)All animals have eyecups.
D)All animals have ommatidia.

Question

Quizplus · Accepted Answer

All animals use the photopigment opsin to sense light, indicating a common evolutionary origin for vision across different species. Opsins are a group of light-sensitive proteins found in photoreceptor cells, and their widespread presence across animal taxa suggests a shared ancestral mechanism for detecting light.

Which of the Following Is Evidence That All Animal Vision