Sperms of both Funaria and Pteris were released
together near the archegonia of Pteris. Only its
sperms enter the archegonia as
(a) Pteris archegonia repel Funaria sperms
(b) Funaria sperms get killed by Pteris sperms
(c) Funaria sperms are less mobile
(d) Pteris archegonia release chemical to attract its
sperms.
together near the archegonia of Pteris. Only its
sperms enter the archegonia as
(a) Pteris archegonia repel Funaria sperms
(b) Funaria sperms get killed by Pteris sperms
(c) Funaria sperms are less mobile
(d) Pteris archegonia release chemical to attract its
sperms.