Phyllum- Porifera|Coelenterata|Ctenophora|Platyhelminthes|Aschehelminthes|Annelida|Arthropoda|Mollusca|Echinodermata|Hemichordata

Discussion Class -2 (Pylum Coelenterata || Ctenophora || Platyhelminthes || Aschelminthes || Annelida || Arthropoda

Nematoda || Arthropoda || Annelida || Mollusca || Echinodermata || Chordata

Classification Of Animals|Phylum - Nematoda|Phylum - Annelida|Arthropoda|Mollusca|Echinodermata

Animal kingdom || arthropoda || mollusca || echinodewrmata || hemichordata || chordata

Classification Of Animals|Phylum - Porifera|Phylum - Coelenterata|Platyhelminthes

Animal kingdom || 7 criteria for classification || porifera || coelenterata || ctenophora || platyhelminthes || aschelminthes || annelida

Segmentation in the body is first observed in which of the following: (a) Platyhelminthes (b) Aschelminthes (c) Annelida (d) Arthropoda