Cycads

Cycads

A) are wind-pollinated.
B) have sperm with a single whiplash flagellum and require free water to effect fertilisation.
C) have microgametophytes, which release two flagellated sperm into the micropylar chamber that both swim to and fertilise a single egg, in a process similar to double fertilisation.
D) have development of a root system.
E) have sperm that are multiflagellated.

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