Designed by Joe Kilty
We
arranged our tree in this way (The Sword Fern being less closely related to the
other two species) because the Fern reproduces using sperm, not pollen. This
factor immediately makes the Rose and Indian Pipe more closely related. The
shape of the pollen from the Rose and Indian Pipe is vaguely similar, with the
apertures being located in nearly the same places and a similar surface
texture. The Rose is probably closer related to the sword fern. There are many
more species of Rose and that signifies that it is older.
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