Animals in the phylum Ctenophora ("sea-gooseberries" or "comb jellies") are transparent and jelly-like but have no nematocysts, and are harmless to humans. Source: Internet
Fully humified organic matter, on the other hand, has a uniform dark, spongy, jelly-like appearance, and is amorphous. Source: Internet
Raw opium may be sold to a merchant or broker on the black market, but it usually does not travel far from the field before it is refined into morphine base, because pungent, jelly-like raw opium is bulkier and harder to smuggle. Source: Internet
In general, gels are apparently solid, jelly-like materials. Source: Internet
Sponges have no nervous systems, their middle jelly-like layers have large and varied populations of cells, and some types of cells in their outer layers may move into the middle layer and change their functions. Source: Internet
They also secrete the jelly-like mesoglea that separates the layers. Source: Internet