This is a preview. Log in through your library . Abstract We compared growth rates and final morphological states of the athecate colonial hydroid Podocoryna carnea in two nutritional environments: ...

This is a preview. Log in through your library . Abstract The nematocysts of 24 siphonophore species were examined by light and scanning electron microscopy (SEM) for differences that could relate to ...

One of the biggest mysteries of evolution is how species first developed complex vision. Jellyfish are helping scientists solve this puzzle, as the group has independently evolved eyes at least nine ...