Write six characters of phylum ctenophora.

Categorize following diseases Into a sex linked recessive disorder and autosome linked recessive disorders. Write the characters of Phenyl ketonuria

Write the general characters of phylum Annelida.

Give general characters of phylum porifera, Give a few examples also.

Which one of the following is not a characteristic of phylum annelida ?

Write the salient features of phylum Nemathelminthes.

The following diagram shows the characteristics of a phylum. a) Identify the phylum. b) Label A in the diagram. c) Mention four salient features ofthe phylum.