Differences between Pteridophytes and Gymnosperm

S.No.	Character	Pteridophytes	Gymnosperms
1	Habitat	Hygrophytes (i.e. grow in moist and shaddy places).	Xerophytes (Grow where the water supply is scanty.)
2	Root	Adventitious roots	Tap Root
3	Vascular cambium	Absent	Present
4	Archegonium	Neck canal cell , venter canal cell Present	Absent
5	Water	Essential for Fertilization	Not necessary
6	Microspores and Megaspores	Develops independently after being shed from their sporangia	Microspores are shed for a short time from microsporangia and the megaspores are permanently retained within megasporangia
7	Pollen tube	Absent	Present
8	Ovule	Absent	Present
9	Seed	Absent	Present
10	Gametophyte	Independent of the sporophyte	Dependent on the sporophyte.

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