The starlet sea anemone has no brain, but the same genes that determine the head’s location in humans are expressed on its lower end (left), opposite its mouth and tentacles. Eurekalert, Nature, 2005
The starlet sea anemone has no brain, but the same genes that determine the head’s location in humans are expressed on its lower end (left), opposite its mouth and tentacles. Eurekalert, Nature, 2005