Animalia

 

These are multicellular, heterotrophic eukaryotes lacking cell walls

 

Classification of animal phyla

            Body plan (type of symmetry)

            Number of tissue layers

            Presence of a coelom

            Aspects of early development

 

Phylum Porifera

Phylum Cnidaria

Phylum Annelida

Phylum Arthropoda

Phylum Echinodermata