Evolution of the eye

What you learn

Simulation Ages 12–16

Play this biology game and see what happens.

Flagellate

Hundreds of millions of years ago, light-sensing organelles arose inside the monad. Creatures with 'photoreceptors' are able to distinguish day and night and can also avoid harmful ultraviolet light.

Flatworm

And these photoreceptors have evolved into light-sensing cells of multicellular organisms. The light-sensing cells formed a concave curved surface and became a primitive retina.

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Getting your lab ready…

Warming up the lab…

Tips

How to play

Read the instructions

Use the controls below the game.
Explore the simulation

Play with the controls — that’s what they’re for!

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Credits & source

This sim comes from free teaching tools at Javalab.org. We adapted it so you can play offline.

View original on Javalab