Earthworms in the class oligochaeta, which is in the phylum annelida. Ecdysis occurs in the phylum arthropoda. My guess is that earthworms' cuticles undergo a process closer to our skin's than...
When preparing to mate, snails often go through what may be described as a mating ritual which can involve playful biting and rearing up to one another. One of the most distinct examples of this is...