রবিবার, ৪ মার্চ, ২০১২

Gymnosperm lecture 2 : Gymnosperm similarities with Angiosperms


Gymnosperm similarities with Angiosperms :

           1. Seed  bearing plant.
                2. Vascular system present.
3. Differentiate into root, stems and leaves.
4. Eustele present.
5. Secondary growth  is present in stems.
6. Root system is well development with secondary growth.











7. Both are heterosporus.
8. Ovule is present. Seed
9.The pollen grains  grow into pollen tube.
10.In maximum cases male gametes are non-metal.
                  11.The germination of the spore in precocious.

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