Why are ferns classified as plants?

Question

Biology Question/

Unlike algae, which are protists, ferns are considered true plants, what characteristics allow ferns to be classified as plants?

Answer 1

Ferns have these characteristics of plants:

1.  multicelular

2.  autotrophic

3.  eukaryotic

4.  cellulose cell walls

Ferns also have vascular tissue, though there are nonvascular plants.

Answer 2

They are all multicellular, are autotrophic (produce their own food, i.e. photosynthesis) and grow until they die.