What is the growth development of Annelid?

Answer 1

Annelids, such as earthworms and leeches, exhibit a developmental process characterized by spiral cleavage and a coelomate body plan. They typically undergo a trochophore larval stage, which is a free-swimming, ciliated larva, before transitioning into the adult form. Annelids show segmentation, where the body is divided into repeated segments, allowing for more complex movement and specialization of body functions. Overall, their growth involves both an increase in size and the maturation of body systems as they progress from larval to adult forms.