From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in :
A
Gymnosperms
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B
Liverworts
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C
Mosses
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D
Pteridophytes
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Solution
The correct option is D Pteridophytes The development of the zygotes to embryos inside the female gametophytes is first observed in pteridophytes. This event is a precursor to the seed habit which is considered an important step in evolution.