food chain
Definition
Linkages of organisms within an ecosystem, in which each link feeds on the one before it and is fed on by the one after it. Only the first link in the chain (called herbage) is a producer and all the rest are consumers. Different food chains intertwine with one another and form the intricate networks called food webs.
food chain is in the Environment & Pollution Control subject.
food chain appears in the definitions of the following terms:
cadmium (Cd),
food web,
food biotechnology,
mercury,
dioxins,
dichloro diphenyl trichloroethane (DDT),
polychlorinated biphenyl (PCB),
pollutant pathways,
genetically modified (GM) food,
persistent, bioaccumulative, and toxic (PBT)
and
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