Phylum Vertebrates

Give two important characteristics each of classes of sub-phylum vertebrate. Write one example each class.

Phylum Porifera

Phylum Porifera

Phylum Coelenterata Classification || Phylum Ctenophora Introduction ||General Characters and Classification

Phylum ctenphora

Class mammalia || salient features OF all 11 phylums || salient features OF all vertebrates

Which reproductive adaptation is characteristic of most terrestrial vertebrates but not of most aquatic vertebrates?

Phylum Arthropoda