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30/07/2021 8:08 pm
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Sperms of both Funaria and Pteris were released together near the archegonia of Pteris. Only its sperms enter the archegonia as
(1) Funaria sperms are less mobile
(2) Pteris archegonia repel Funaria sperms
(3) Pteris archegonia release chemical to attract its sperms
(4) Funaria sperms get killed by Pteris sperms
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30/07/2021 8:09 pm
(3) Pteris archegonia release chemical to attract its sperms