Class-9-Science

Diversity in Living Organisms-Theory Session-16

There is a brief description of specific features of animals that belong to phylum coelenterata in this session.

Diversity in Living Organisms-Theory Session-17

There is a brief description of specific features of animals that belong to phylum platyhelminthes in this session.

Diversity in Living Organisms-Theory Session-18

There is a brief description of basic characteristic features of organisms that belong to phylum nematode and annelid in this session.