food source, multibillion $ industry
bivalves filter water, which removes impurities and cleanses ecosystems
get purple dye from this class
aerates the soil
over $5 billion crop damage each year
infects 1 of 6 people worldwide
leads to elephantiasis
recycle bacteria/fungi into animal tissue
Guinea worms enter people's bodies
source of lysate, which clots around bacteria
source of food for migratory birds
can wipe out the coral reefs
harvested for gonads ("roe")
forms basis for bath sponge industry
coral reefs are a diverse, important ecosystem
important link in the freshwater food chain
can cause tropical diseases
used as a medical anti-coagulant
ranching of this phylum is a major industry
critically important herbivores, primary converters of plant tissue to animal tissue on planet
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