Question

5 difference between thallophyta bryophyta pteridophyta and angiosperm and gymnosperm

Answer 1

BRYOPHYTA

1) Plant body is gametophytic .
2) Plant body is either thallose and/or folliose . However , real stem and leaves are always absent .
3) Fixation of plant body is carried out by rhizoids .
4) Sporophyte is parasitic over the gametophytic plant body throughout its life .
5) Bryophytes are non-vascular in nature .

PTERIDOPHYTA

1) Plant body is Sporophytic .
2) Real stem and leaves are present .
3) Fixation of plant body is carried out by roots .
4) The gametophyte is small and independent .
5) Pteriodophytes are Vascular plants .

GYMNOSPERMS

1) Seeds are naked .
2) Reproductive organs Sporophylls from cones .
3) Ovules not enclosed in ovary .
4) Xylem lacks vessel .
5) Companion cells are absent in phloem .

ANGIOSPERMS

1) Seeds are enclosed in fruits .
2) Reproductive organs are flowers .
3) Ovules are enclosed in ovary .
4) Xylem contains vessels .
5) Companion cells are present .

Answer 2

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