The Basic difference between Angiosperms and Gymnosperms is that in Angiosperms double fertilization takes place, while in Gymnosperms single fertilization takes place.
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Difference between Angiosperms and Gymnosperms
|Seed develops inside the ovary which develops into a fruit.|| |
Naked seed borne to megasporophyll. No fruit formation.
|Endosperm formed after fertilization. |
|Endosperm formed before pollination. It is actually a food containing female gametophyte.|
Anther consists of 4 pollen sacs.
|Number of microsporangia borne on microsporophylls ranges from 2 to numerous cycas.|
Flowers are bisexual.
|Cones are mostly unisexual.|
Ovules are borne inside the ovary and covered.
|Ovules are exposed on megasporphylls.|
|Double fertlization takes place.|| |
Single fertilization takes place.
Egg apparatus present in embryo sac.
|Female gametophyte contains archeogonia.|
Ovules have a narrow microphyle.
|Ovules have a large microphyle.|
Pollen grains display diverse forms.
|Pollen grains are winged.|