This is a preview. Log in through your library . Abstract Background and Aims Organisms often balance among reproduction, growth and survival. When these processes are in competition, selection may ...

In fact, ferns often thrive in marginal habitats where environmental factors hinder the success of flowering plants. The fern's method of reproduction also is distinctive. Lacking both seeds and ...

There is something otherworldly about ferns. Their fronds suggest feathers and wings, and so when looking at them you may think of taking flight, most likely into the pre-historic past when they ...

There is something otherworldly about ferns. Their fronds suggest feathers and wings, and so when looking at them you may think of taking flight, most likely into the pre-historic past when they ...