We couldn't find any Topics specifically about "iris"

Topics containing the search term "iris" are:

1. Camera eyes in cubozoan jellyfish
   On each of the four club-like extensions (rhopalia) near the base of the cubozoan jellyfish bell there are two camera-eyes, one pointing upwards and the other downwards.

2. Telephoto eyes in animals
   Pursued by the paparazzi? Watch out for those animals equipped with telephoto lenses...

3. Camera eyes of cephalopods
   The remarkable similarity between the camera eyes of cephalopods and vertebrates is one of the best-known examples of evolutionary convergence.

4. Camera eyes in vertebrates, cephalopods and other animals
   Camera eyes are superb optical devices, so it is not surprising that they have evolved several times. But why, of all animals, in the brainless jellyfish? Or for that matter in a slow-moving snail?