Question

List any two points to show the importance of ferns

Answer 1

Answer:

Ferns invented leaves, and photosynthesis increased enormously, clearing volcanic CO2 from the air and producing all of our coal deposits from their biomass. During the Carbon Age, 360 - 300 million years ago, oxygen levels grew to 35%, a figure not seen before nor since.

Explanation:

please mark as brainlist answer

Answer 2

Answer:

I) they can prepare their own food in the presence of sunlight.so they are called autotrophs

2) they have feather like leaves