Match the characteristics to the correct phylum

The following are the characteristics of Cnidaria:  

1. The organisms have specialized stinging cells known as cnidocytes.  

2. Two types of body plans exist, that is, polyp and medusa.  

3. The phenomenon of alternation of generation is observed.  

The following are the characteristics of Porifera:  

1. The organisms lack symmetry.  

2. The adult forms are sessile.  

3. The organisms obtain food by filtering water.  

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