Dogs' vision is dichromatic; their visual world is made of yellows, blues, and grays.[40] They may have trouble differentiating between crimson and environmentally friendly,[41] and very similar to other mammals, the dog's eye is composed of two kinds of cone cells as compared to the human's three. The divergence of https://jasperxmxit.blogsidea.com/43943637/a-secret-weapon-for-happy-dog