Marimo illustration cross section (IMAGE)
Caption
Marimo grow on the outside and decompose on the inside, creating hollow balls that are rolled around the lake bottom by the waves. The warmer the surrounding water gets, the more the inward decomposition outpaces their outward growth, making them increasingly fragile.
Credit
NAKAYAMA Reina
Usage Restrictions
Credit must be given to the creator. No derivatives or adaptations of the work are permitted.
License
CC BY-ND