[custom_adv]
The simplest “eyes”, such as those in microorganisms, do nothing but detect whether the surroundings are light or dark, which is sufficient for the entrainment of circadian rhythms.
Check Also
Azar Hekmat-Shoar
Azar Hekmat-Shoar, whose real name was Azar Taj Dehghani, was born in Tabriz in 1314 …