Invertebrates and their Groups

 

The group of animals, which do not have vertebral column. There are twelve million kinds of invertebrates are present.

 

Their groups are as under:

 

1. i) Phylum Protozoa

 

1. ii) Phylum Porifera

 

iii) Phylum Coelenterata

 

1. iv) Phylum Platyhelminthes

 

1. v) Phylum Nematoda

 

1. vi) Phylum Annelida

 

vii) Phylum Mollusca

 

viii) Phylum Arthropoda

 

1. ix) Phylum Echinodermata

 

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