What is the difference between mold and ferns?
A mold is a fungus typically grows on decaying plants, food. It is a heterotroph and does not use photosynthesis.
A fern is a bryophyte and has a vascular system and uses photosynthesis.
There is very little difference between prehistoric ferns and ferns of today. However, there are hundreds to thousands of fern species that are no longer around today. This is due to changes in topography, climate and time. Many of today's species are evolved or remain unchanged. But they are prone to the same