Draw a venn diagram of Thallophyta, Bryophyta and Pteridophyta
Venn diagram is to be drawn like this. In the region marked AB, the similarities between A and B are written, whereas In the region marked BC, the similarities between B and C are written. In the region marked AC, the similarities between A and C are written. The region ABC refers to similarities between A,B and C.
Similarly you can draw a Venn diagram of Thallophyta, Bryophyta and Pteridophyta.
Mark A as Thallophyta, B as Bryophyta and C as Pteridophyta.
In A -write ' primitive, undifferentiated plant body'.
In B- Write ' vascular system absent.'
In C- Write 'vascular system present'.
In BC- write ' differentiated plant body'.
In AC - write 'autotrophic green plants'
In ABC - write ' i) Autotrophic'
ii) 'Green plants'
iii) 'Inconspicuous reproductive organs'.
Similarly you can add on the other similarities and differences.
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