These straps are used to bind the batim to one's arm/hand (Tefillin shel Yad) and to one's head (Tefillin shel Rosh) in obedience to Deuteronomy 6:8 (And thou shalt bind them for a sign upon thine hand, and they shall be as frontlets between thine eyes).
Given that a single mangrove area can produce as much as four tons of detritus per year, the mud crab's work as a decomposer is a primary part of the detritus-based food ecology that supports fisheries populations.
Decomposers (fungi, bacteria, insect larva) are organisms that live off dead material left behind by ealier organisms. They are important because they reduce organic material to a simpler form usable by other life. Decomposers (fungi, bacteria, insect larva) are organisms that live off dead material left behind by ealier organisms.