How are the male and female gametophytes of pteridophytes and gymnosperms different from each other?
The male and female gametophytes of pteridophytes and gymnosperms different from each other are
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Male Gametophyte of Pteridophyte |
Male Gametophyte of Gymnosperm |
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A distinct male gametophyte may not be present. It contains an antheridium. Male gametes are flagellated. Male gametes reach the female gamete by swimming in film of water. |
A male gametophyte is always present. An antheridium is not found. Male gametes may or may not be flagellated. Male gametes reach the female gamete through a pollen tube. Water is not required. |
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Female Gametophyte of Pteridophyte |
Female Gametophyte of Gymnosperm |
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A distinct female gametophyte may or may not be present. It is largely independent. It is not enclosed is an ovule. |
A distinct gametophyte is always present. Female gametophyte does not leave the parent plant. It is enclosed inside an ovule. |
