Question

difference between Gymnosperms and Angiosperms.​

Answer 1

Answer:

gymnosperms means plants that bear naked seeds or produce their seeds uncovered.

angiosperms means plants that bear covered seeds or produce their seeds covered.

Explanation:

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Answer 2

Answer:

Gymnosperms -

• The sporophylls forms cones.
• The cones are mostly unisexual.
• The cones does not possess sepals, pearls or perianth.
• The microsporophyll is broad with sterile head.
• The megasporophyll Woody and ovules are exposed on megasporophylls.
• The process of pollination is direct and the pollen grains directly enter the ovule.
• Only generative fertilisation takes place.

Angiosperms -

• The sporophylls form flowers.
• The flowers are bisexual and rarely unisexual.
• The flowers poses perianth, sepals and petals
• The microsporophyll is represented by stamen which consists of anther and filament.
• The megasporophylls is delicate and ovules are attached to placenta.
• The process of pollination is different from that of gymnosperms, the pollen grains gets attached to the receptive surface of megasporophyll called stigma.
• Double fertilisation takes place.