Day 291 of 365
October 18
🧬
Biology The Evolution of Eyes
Eyes have evolved independently over 40 times. From simple light-detecting cells to complex camera eyes and compound insect eyes, vision provides such advantages that it repeatedly evolves. The octopus eye is similar to ours but evolved completely separately.
💡 Did you know?
Mantis shrimp have 16 types of color receptors compared to humans' 3!
Take Knowly with you
Get daily lessons, create your own, and build your personal wisdom library
Download for iOS