Over
the entire history of the earth, there were ferns in the
rainforest. Especially the way they propagate shows how much they
differ from other higher growing plants: In dry weather, ferns clench
their spores rip the capsule on the underside of leaves, and hurl them
out. A Protonema, in which male and female organs are formed and the
sperm fertilizes the eggs of the female which forms the actual fern. |
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