The answer to your question is actually quite simple. If there was a sudden decrease of Fungi the environment would be filled with more dead things. Not just that, but it would also smell terribly. Just think of it like this: Fungi is basically like garbage collectors. They will recycle the stuff that you dont need and or want.
Anatomy During Contraction
-Sarcomere, itself, is shorter
-H-zone is shorter (part of A-band that doesn't have actin filaments in it)
-I-band gets shorter (part of sarcomere lacking myosin)
-A-band stays the same size (zone that contains myosin)
There are three sources of genetic variation: mutation, gene flow, and sexual reproduction. A mutation is simply a change in the DNA.
