[" he prothallus of Dryopteris,antherozoids and eggs are mature "],[" erent time which leads to "]

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

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 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 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,