How are the male and female gametophytes of pteridophytes and gymnosperms different from each other

Answers (2)

Pteridophytes

Gymnosperms

(a)

Flagellated male gamete

(a)

Non-flagellated male gamete

(b)

Archegonia with neck canal cells

(b)

Neck canal cells are absent

(c)

Pollen tubes are not formed

(c)

Pollen tubes are formed

(d)

Water is essential for fertilisation

(d)

Water is not essential

 

The size of the gametophyte of pteridophytes quite large compares to gymnosperm's gametophytes. Gametophyte of pteridophytes are photosynthetic in nature while gametophyte of  gymnosperms are not photosynthetic in nature

The size of gametophyte of of pteridophytes quite large compare  to gymnosperm's gametophytes. Gametophyte of pteridophytes are photosynthetic in nature while gametophyte of  gymnosperms are are not photosynthetic in nature

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