Definoida
Note: Definoida is a fictional clade used in worldbuilding and educational simulations to illustrate concepts in taxonomy and evolutionary biology.
Definition and morphology: Definoida includes a diverse array of aquatic, mostly sessile organisms with modular body
Habitat and distribution: They are described as inhabiting freshwater, brackish, and shallow marine environments in the
Life cycle and reproduction: Asexual reproduction by fragmentation is common; sexual reproduction involves isogamous or anisogamous
Taxonomy: Definoida is divided into two orders, Definoideae and Ovoidales, containing several families such as Definidae
Significance and usage: In fictional ecology and teaching tools, Definoida is used to illustrate how modular