It like destroys harmful germs in your body
Coral reefs are the world's most diverse ecosystems. imagine how many species of creatures will go extinct due to human fault.
The little dots collected from under the fern leaves are spores, not seeds. Ferns are different from seed-bearing plants in that ferns in a sexless way through sporophyte generation. Spores dropped from or taken from grown fern leaves have developed prothallium. Each prothallium generates male and female organs in what is called the gametophyte stage. When fertilization of the female gametophyte happens, small fern plants or leaflets start to grow.
Just to add on over time they have develiped a tuff outer layer to stop weather and insects from harming them.
