Vestigial morphological traits are common and well known in a variety of taxa. Identification of vestigial genes has illustrated the potential for evolutionary reversals and the re-expression of atav
The cnidarian Hydra vulgaris has a simple nervous system with a few hundred neurons in distributed networks. Yet Hydra can perform somersaults, a complex acrobatic locomotion. To understand the neural
This experiment is part of the C.elegans behavioural database. For more information and the complete collection of experiments visit http://movement.openworm.org preview link : https://www.youtub