Class-9-Science

Diversity in Living Organisms-Theory Session-10

There is a brief description of basic criteria which is set to sub classify the organisms of kingdom plantae into different sub kingdom and divisions in this session.

Diversity in Living Organisms-Theory Session-11

There is a brief description of basic characteristic features of plants that belong to division thallophyta and bryophyte in this session.

Diversity in Living Organisms-Theory Session-12

There is a brief description of basic characteristic features of plants that belong to division pteridophyta in this session. There is also a comparison of thallophytes, bryophytes and pteridophytes.