Question

what are the functions of ferns​

Answer 1

Answer:

provide a source of food or medicine for animals, including people. ceremonial and spiritual use or importance. colonize disturbed sites as one stage in succession. filter toxins, such as heavy metals, from environments and thus provide a bioindicator for the health of an ecosystem

Explanation:

Answer 2

Answer:

Ferns are not of major economic importance, but some are used for food, medicine, as biofertilizer, as ornamental plants and for remediating contaminated soil. They have been the subject of research for their ability to remove some chemical pollutants from the atmosphere.