In prothallus of vascular crypogams, antherozoids and eggs mature at different times resulting in

In the prothallu.s of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result,

In the prothallus of a vascular cryptogam, the antherozoids and egg mature at different times. As a result,

In the prothallus of a vascular cryptogam, the antherozoids and egg mature at different times. As a result,

In the prothallus of a vascular cryptogam, the antherozoids and egg mature and different time As a result.

In the prothallus of a vascular cryptogam, the antherozoids and egg mature and different time As a result.

In the prothallus of vascular cryptogam, the antherzoids and eggs mature at different tiems. As a result:

In the prothallus of Dryopteris, antherozoids and eggs are mature at different time which leads to