Male and female gametophytes do not have free living independent existence for

In which one of the following, male and female gametophytes do not have free living independent existence for?

(a) Pteris
(b) Funaria
(c) Polytrichum
(d) Cedrus

Cedrus

Male and female gametophytes of Cedrus do not have free living independent existence. Cedrus belongs to conifer.

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